[673b0d8] | 1 | <?xml version="1.0" encoding="ISO-8859-1"?>
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[b06ca36] | 2 | <!DOCTYPE sect1 PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN"
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| 3 | "http://www.oasis-open.org/docbook/xml/4.5/docbookx.dtd" [
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[673b0d8] | 4 | <!ENTITY % general-entities SYSTEM "../general.ent">
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| 5 | %general-entities;
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| 6 | ]>
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[ddd5542] | 7 |
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[e1428f3] | 8 | <sect1 id="ch-system-util-linux" role="wrap">
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| 9 | <?dbhtml filename="util-linux.html"?>
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[ddd5542] | 10 |
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[e747759] | 11 | <sect1info condition="script">
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[e1428f3] | 12 | <productname>util-linux</productname>
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| 13 | <productnumber>&util-linux-version;</productnumber>
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| 14 | <address>&util-linux-url;</address>
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[e747759] | 15 | </sect1info>
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| 16 |
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[e1428f3] | 17 | <title>Util-linux-&util-linux-version;</title>
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[ddd5542] | 18 |
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[e1428f3] | 19 | <indexterm zone="ch-system-util-linux">
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| 20 | <primary sortas="a-Util-linux">Util-linux</primary>
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[ddd5542] | 21 | </indexterm>
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| 22 |
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| 23 | <sect2 role="package">
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| 24 | <title/>
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| 25 |
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[e1428f3] | 26 | <para>The Util-linux package contains miscellaneous utility programs.
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[4bac71c] | 27 | Among them are utilities for handling file systems, consoles, partitions,
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| 28 | and messages.</para>
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[ddd5542] | 29 |
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| 30 | <segmentedlist>
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| 31 | <segtitle>&buildtime;</segtitle>
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| 32 | <segtitle>&diskspace;</segtitle>
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| 33 |
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| 34 | <seglistitem>
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[e1428f3] | 35 | <seg>&util-linux-ch6-sbu;</seg>
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| 36 | <seg>&util-linux-ch6-du;</seg>
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[ddd5542] | 37 | </seglistitem>
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| 38 | </segmentedlist>
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| 39 |
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| 40 | </sect2>
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| 41 |
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| 42 | <sect2 role="installation">
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| 43 | <title>FHS compliance notes</title>
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| 44 |
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| 45 | <para>The FHS recommends using the <filename
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| 46 | class="directory">/var/lib/hwclock</filename> directory instead of the
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| 47 | usual <filename class="directory">/etc</filename> directory as the
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[14109e7] | 48 | location for the <filename>adjtime</filename> file. First create a directory
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| 49 | to enable storage for the <command>hwclock</command> program:</para>
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[673b0d8] | 50 |
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[14109e7] | 51 | <screen><userinput remap="pre">mkdir -pv /var/lib/hwclock</userinput></screen>
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[673b0d8] | 52 |
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[ddd5542] | 53 | </sect2>
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[673b0d8] | 54 |
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[ddd5542] | 55 | <sect2 role="installation">
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[e1428f3] | 56 | <title>Installation of Util-linux</title>
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[96e9f0b] | 57 | <!--
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[3b66f6a] | 58 | <para>First, fix one of the regression tests:</para>
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| 59 |
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| 60 | <screen><userinput remap="pre">sed -e 's/2^64/(2^64/' -e 's/E </E) <=/' -e 's/ne /eq /' \
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| 61 | -i tests/ts/ipcs/limits2</userinput></screen>
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[96e9f0b] | 62 | -->
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[4783efe] | 63 | <para>Prepare Util-linux for compilation:</para>
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[12d9bda6] | 64 |
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[1118b17] | 65 | <screen revision="sysv"><userinput remap="configure">./configure ADJTIME_PATH=/var/lib/hwclock/adjtime \
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[96e9f0b] | 66 | --docdir=/usr/share/doc/util-linux-&util-linux-version; \
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| 67 | --disable-chfn-chsh \
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| 68 | --disable-login \
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[e1ceb81] | 69 | --disable-nologin \
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[96e9f0b] | 70 | --disable-su \
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| 71 | --disable-setpriv \
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| 72 | --disable-runuser \
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| 73 | --disable-pylibmount \
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[73b2841] | 74 | --disable-static \
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[96e9f0b] | 75 | --without-python \
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| 76 | --without-systemd \
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| 77 | --without-systemdsystemunitdir</userinput></screen>
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| 78 |
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[1118b17] | 79 | <screen revision="systemd"><userinput remap="configure">./configure ADJTIME_PATH=/var/lib/hwclock/adjtime \
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| 80 | --docdir=/usr/share/doc/util-linux-&util-linux-version; \
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| 81 | --disable-chfn-chsh \
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| 82 | --disable-login \
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| 83 | --disable-nologin \
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| 84 | --disable-su \
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| 85 | --disable-setpriv \
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| 86 | --disable-runuser \
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| 87 | --disable-pylibmount \
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| 88 | --disable-static \
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[a840e59] | 89 | --without-python \
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| 90 | --enable-libmount-force-mountinfo</userinput></screen>
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[1118b17] | 91 |
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[96e9f0b] | 92 | <para>The --disable and --without options prevent warnings about
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| 93 | building components that require packages not in LFS or are
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| 94 | inconsistent with programs installed by other packages.</para>
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[673b0d8] | 95 |
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[ddd5542] | 96 | <para>Compile the package:</para>
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[673b0d8] | 97 |
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[e990ec99] | 98 | <screen><userinput remap="make">make</userinput></screen>
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[0556946] | 99 |
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[6c4092b0] | 100 | <para>If desired, run the test suite as a non-root user:</para>
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| 101 |
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| 102 | <warning><para>Running the test suite as the root user can be harmful to
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[4783efe] | 103 | your system. To run it, the CONFIG_SCSI_DEBUG option for the kernel must
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| 104 | be available in the currently running system, and must be built as a
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| 105 | module. Building it into the kernel will prevent booting. For complete
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| 106 | coverage, other BLFS packages must be installed. If desired, this test can
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| 107 | be run after rebooting into the completed LFS system and running:</para>
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[6c4092b0] | 108 |
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| 109 | <screen role="nodump"><userinput>bash tests/run.sh --srcdir=$PWD --builddir=$PWD</userinput></screen>
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| 110 | </warning>
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| 111 |
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| 112 | <screen><userinput remap="test">chown -Rv nobody .
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[f55c13f] | 113 | su nobody -s /bin/bash -c "PATH=$PATH make -k check"</userinput></screen>
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[673b0d8] | 114 |
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[5948c803] | 115 | <note><para>One test above, tests/ts/ipcs/limits2, will fail when the host
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| 116 | is using a recent kernel. The failure can safely be ignored.</para></note>
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| 117 |
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[0b8bbee] | 118 | <para>Install the package:</para>
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| 119 |
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[4bac71c] | 120 | <screen><userinput remap="install">make install</userinput></screen>
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[673b0d8] | 121 |
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[ddd5542] | 122 | </sect2>
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| 123 |
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| 124 | <sect2 id="contents-utillinux" role="content">
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[e1428f3] | 125 | <title>Contents of Util-linux</title>
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[ddd5542] | 126 |
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| 127 | <segmentedlist>
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| 128 | <segtitle>Installed programs</segtitle>
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[cd82ee5] | 129 | <segtitle>Installed libraries</segtitle>
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[fe05b08] | 130 | <segtitle>Installed directories</segtitle>
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[ddd5542] | 131 |
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| 132 | <seglistitem>
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[f6b1d91] | 133 | <seg>addpart, agetty, blkdiscard, blkid, blockdev, cal, cfdisk, chcpu,
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[14109e7] | 134 | chrt, col, colcrt, colrm, column, ctrlaltdel, delpart, dmesg,
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[4783efe] | 135 | eject, fallocate, fdformat, fdisk, findfs, findmnt, flock, fsck,
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| 136 | fsck.cramfs, fsck.minix, fsfreeze, fstrim, getopt, hexdump, hwclock,
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| 137 | i386, ionice, ipcmk, ipcrm, ipcs, isosize, kill, last, lastb (link to
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| 138 | last), ldattach, linux32, linux64, logger, look, losetup, lsblk, lscpu,
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[040ecb6] | 139 | lsipc, lslocks, lslogins, mcookie, mesg, mkfs, mkfs.bfs, mkfs.cramfs, mkfs.minix, mkswap,
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| 140 | more, mount, mountpoint, namei, nsenter, partx, pg, pivot_root, prlimit, raw,
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[4783efe] | 141 | readprofile, rename, renice, resizepart, rev, rtcwake, script,
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| 142 | scriptreplay, setarch, setsid, setterm, sfdisk, sulogin, swaplabel,
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| 143 | swapoff (link to swapon), swapon, switch_root, tailf, taskset, ul,
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[040ecb6] | 144 | umount, uname26, unshare, utmpdump, uuidd, uuidgen, wall, wdctl, whereis,
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[eb8b1c5] | 145 | wipefs, x86_64, and zramctl</seg>
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[040ecb6] | 146 | <seg>libblkid.so, libfdisk.so, libmount.so,
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| 147 | libsmartcols.so, and libuuid.so</seg>
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| 148 | <seg>/usr/include/blkid,
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| 149 | /usr/include/libfdisk,
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| 150 | /usr/include/libmount,
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| 151 | /usr/include/libsmartcols,
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| 152 | /usr/include/uuid,
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| 153 | /usr/share/doc/util-linux-&util-linux-version;,
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| 154 | and /var/lib/hwclock</seg>
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[ddd5542] | 155 | </seglistitem>
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| 156 | </segmentedlist>
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| 157 |
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| 158 | <variablelist>
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| 159 | <bridgehead renderas="sect3">Short Descriptions</bridgehead>
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| 160 | <?dbfo list-presentation="list"?>
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| 161 | <?dbhtml list-presentation="table"?>
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| 162 |
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[5c92d21] | 163 | <varlistentry id="addpart">
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| 164 | <term><command>addpart</command></term>
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| 165 | <listitem>
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| 166 | <para>Informs the Linux kernel of new partitions</para>
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[e1428f3] | 167 | <indexterm zone="ch-system-util-linux addpart">
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[5c92d21] | 168 | <primary sortas="b-addpart">addpart</primary>
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| 169 | </indexterm>
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| 170 | </listitem>
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| 171 | </varlistentry>
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| 172 |
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[ddd5542] | 173 | <varlistentry id="agetty">
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| 174 | <term><command>agetty</command></term>
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| 175 | <listitem>
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| 176 | <para>Opens a tty port, prompts for a login name,
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| 177 | and then invokes the <command>login</command> program</para>
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[e1428f3] | 178 | <indexterm zone="ch-system-util-linux agetty">
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[ddd5542] | 179 | <primary sortas="b-agetty">agetty</primary>
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| 180 | </indexterm>
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| 181 | </listitem>
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| 182 | </varlistentry>
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| 183 |
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[f6b1d91] | 184 | <varlistentry id="blkdiscard">
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| 185 | <term><command>blkdiscard</command></term>
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| 186 | <listitem>
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| 187 | <para>Discards sectors on a device</para>
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| 188 | <indexterm zone="ch-system-util-linux blkdiscard">
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| 189 | <primary sortas="b-blkdiscard">blkdiscard</primary>
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| 190 | </indexterm>
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| 191 | </listitem>
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| 192 | </varlistentry>
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| 193 |
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[cd82ee5] | 194 | <varlistentry id="blkid">
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| 195 | <term><command>blkid</command></term>
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| 196 | <listitem>
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| 197 | <para>A command line utility to locate and print block device
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| 198 | attributes</para>
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[e1428f3] | 199 | <indexterm zone="ch-system-util-linux blkid">
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[cd82ee5] | 200 | <primary sortas="b-blkid">blkid</primary>
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| 201 | </indexterm>
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| 202 | </listitem>
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| 203 | </varlistentry>
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| 204 |
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[ddd5542] | 205 | <varlistentry id="blockdev">
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| 206 | <term><command>blockdev</command></term>
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| 207 | <listitem>
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| 208 | <para>Allows users to call block device ioctls from the command
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| 209 | line</para>
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[e1428f3] | 210 | <indexterm zone="ch-system-util-linux blockdev">
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[ddd5542] | 211 | <primary sortas="b-blockdev">blockdev</primary>
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| 212 | </indexterm>
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| 213 | </listitem>
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| 214 | </varlistentry>
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| 215 |
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| 216 | <varlistentry id="cal">
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| 217 | <term><command>cal</command></term>
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| 218 | <listitem>
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| 219 | <para>Displays a simple calendar</para>
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[e1428f3] | 220 | <indexterm zone="ch-system-util-linux cal">
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[ddd5542] | 221 | <primary sortas="b-cal">cal</primary>
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| 222 | </indexterm>
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| 223 | </listitem>
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| 224 | </varlistentry>
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| 225 |
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| 226 | <varlistentry id="cfdisk">
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| 227 | <term><command>cfdisk</command></term>
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| 228 | <listitem>
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| 229 | <para>Manipulates the partition table of the given device</para>
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[e1428f3] | 230 | <indexterm zone="ch-system-util-linux cfdisk">
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[ddd5542] | 231 | <primary sortas="b-cfdisk">cfdisk</primary>
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| 232 | </indexterm>
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| 233 | </listitem>
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| 234 | </varlistentry>
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| 235 |
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[0c90d60] | 236 | <varlistentry id="chcpu">
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| 237 | <term><command>chcpu</command></term>
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| 238 | <listitem>
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| 239 | <para>Modifies the state of CPUs</para>
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| 240 | <indexterm zone="ch-system-util-linux chcpu">
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| 241 | <primary sortas="b-chcpu">chcpu</primary>
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| 242 | </indexterm>
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| 243 | </listitem>
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| 244 | </varlistentry>
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| 245 |
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[5c92d21] | 246 | <varlistentry id="chrt">
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| 247 | <term><command>chrt</command></term>
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| 248 | <listitem>
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| 249 | <para>Manipulates real-time attributes of a process</para>
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[e1428f3] | 250 | <indexterm zone="ch-system-util-linux chrt">
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[5c92d21] | 251 | <primary sortas="b-chrt">chrt</primary>
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| 252 | </indexterm>
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| 253 | </listitem>
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| 254 | </varlistentry>
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| 255 |
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[ddd5542] | 256 | <varlistentry id="col">
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| 257 | <term><command>col</command></term>
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| 258 | <listitem>
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| 259 | <para>Filters out reverse line feeds</para>
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[e1428f3] | 260 | <indexterm zone="ch-system-util-linux col">
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[ddd5542] | 261 | <primary sortas="b-col">col</primary>
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| 262 | </indexterm>
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| 263 | </listitem>
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| 264 | </varlistentry>
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| 265 |
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| 266 | <varlistentry id="colcrt">
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| 267 | <term><command>colcrt</command></term>
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| 268 | <listitem>
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| 269 | <para>Filters <command>nroff</command> output for terminals
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| 270 | that lack some capabilities, such as overstriking and half-lines</para>
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[e1428f3] | 271 | <indexterm zone="ch-system-util-linux colcrt">
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[ddd5542] | 272 | <primary sortas="b-colcrt">colcrt</primary>
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| 273 | </indexterm>
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| 274 | </listitem>
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| 275 | </varlistentry>
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| 276 |
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| 277 | <varlistentry id="colrm">
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| 278 | <term><command>colrm</command></term>
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| 279 | <listitem>
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| 280 | <para>Filters out the given columns</para>
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[e1428f3] | 281 | <indexterm zone="ch-system-util-linux colrm">
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[ddd5542] | 282 | <primary sortas="b-colrm">colrm</primary>
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| 283 | </indexterm>
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| 284 | </listitem>
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| 285 | </varlistentry>
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| 286 |
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| 287 | <varlistentry id="column">
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| 288 | <term><command>column</command></term>
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| 289 | <listitem>
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| 290 | <para>Formats a given file into multiple columns</para>
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[e1428f3] | 291 | <indexterm zone="ch-system-util-linux column">
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[ddd5542] | 292 | <primary sortas="b-column">column</primary>
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| 293 | </indexterm>
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| 294 | </listitem>
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| 295 | </varlistentry>
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| 296 |
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| 297 | <varlistentry id="ctrlaltdel">
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| 298 | <term><command>ctrlaltdel</command></term>
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| 299 | <listitem>
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| 300 | <para>Sets the function of the Ctrl+Alt+Del key combination to a
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| 301 | hard or a soft reset</para>
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[e1428f3] | 302 | <indexterm zone="ch-system-util-linux ctrlaltdel">
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[ddd5542] | 303 | <primary sortas="b-ctrlaltdel">ctrlaltdel</primary>
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| 304 | </indexterm>
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| 305 | </listitem>
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| 306 | </varlistentry>
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| 307 |
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[5c92d21] | 308 | <varlistentry id="delpart">
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| 309 | <term><command>delpart</command></term>
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[ddd5542] | 310 | <listitem>
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[5c92d21] | 311 | <para>Asks the Linux kernel to remove a partition</para>
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[e1428f3] | 312 | <indexterm zone="ch-system-util-linux delpart">
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[5c92d21] | 313 | <primary sortas="b-delpart">delpart</primary>
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[ddd5542] | 314 | </indexterm>
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| 315 | </listitem>
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| 316 | </varlistentry>
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| 317 |
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[5c92d21] | 318 | <varlistentry id="dmesg">
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| 319 | <term><command>dmesg</command></term>
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[ddd5542] | 320 | <listitem>
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[5c92d21] | 321 | <para>Dumps the kernel boot messages</para>
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[e1428f3] | 322 | <indexterm zone="ch-system-util-linux dmesg">
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[5c92d21] | 323 | <primary sortas="b-dmesg">dmesg</primary>
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[ddd5542] | 324 | </indexterm>
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| 325 | </listitem>
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| 326 | </varlistentry>
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| 327 |
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[ca101ad] | 328 | <varlistentry id="eject">
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| 329 | <term><command>eject</command></term>
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| 330 | <listitem>
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| 331 | <para>Ejects removable media</para>
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| 332 | <indexterm zone="ch-system-util-linux eject">
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| 333 | <primary sortas="b-eject">eject</primary>
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| 334 | </indexterm>
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| 335 | </listitem>
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| 336 | </varlistentry>
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| 337 |
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[9d42ad9] | 338 | <varlistentry id="fallocate">
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| 339 | <term><command>fallocate</command></term>
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| 340 | <listitem>
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| 341 | <para>Preallocates space to a file</para>
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[e1428f3] | 342 | <indexterm zone="ch-system-util-linux fallocate">
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[9d42ad9] | 343 | <primary sortas="b-fallocate">fallocate</primary>
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| 344 | </indexterm>
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| 345 | </listitem>
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| 346 | </varlistentry>
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| 347 |
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[ddd5542] | 348 | <varlistentry id="fdformat">
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| 349 | <term><command>fdformat</command></term>
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| 350 | <listitem>
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| 351 | <para>Low-level formats a floppy disk</para>
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[e1428f3] | 352 | <indexterm zone="ch-system-util-linux fdformat">
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[ddd5542] | 353 | <primary sortas="b-fdformat">fdformat</primary>
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| 354 | </indexterm>
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| 355 | </listitem>
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| 356 | </varlistentry>
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| 357 |
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[2791a8e] | 358 | <varlistentry id="fdisk">
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| 359 | <term><command>fdisk</command></term>
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| 360 | <listitem>
|
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[edbeeb5] | 361 | <para>Manipulates the partition table of the given device</para>
|
---|
[e1428f3] | 362 | <indexterm zone="ch-system-util-linux fdisk">
|
---|
[2791a8e] | 363 | <primary sortas="b-fdisk">fdisk</primary>
|
---|
| 364 | </indexterm>
|
---|
| 365 | </listitem>
|
---|
| 366 | </varlistentry>
|
---|
| 367 |
|
---|
[cd82ee5] | 368 | <varlistentry id="findfs">
|
---|
| 369 | <term><command>findfs</command></term>
|
---|
| 370 | <listitem>
|
---|
| 371 | <para>Finds a file system by label or Universally Unique Identifier
|
---|
| 372 | (UUID)</para>
|
---|
[e1428f3] | 373 | <indexterm zone="ch-system-util-linux findfs">
|
---|
[cd82ee5] | 374 | <primary sortas="b-findfs">findfs</primary>
|
---|
| 375 | </indexterm>
|
---|
| 376 | </listitem>
|
---|
| 377 | </varlistentry>
|
---|
| 378 |
|
---|
[6541b70] | 379 | <varlistentry id="findmnt">
|
---|
| 380 | <term><command>findmnt</command></term>
|
---|
| 381 | <listitem>
|
---|
[2ca8941] | 382 | <para>Is a command line interface to the libmount library
|
---|
[6541b70] | 383 | for work with mountinfo, fstab and mtab files</para>
|
---|
[e1428f3] | 384 | <indexterm zone="ch-system-util-linux findmnt">
|
---|
[6541b70] | 385 | <primary sortas="b-findmnt">findmnt</primary>
|
---|
| 386 | </indexterm>
|
---|
| 387 | </listitem>
|
---|
| 388 | </varlistentry>
|
---|
| 389 |
|
---|
[8bc46a5] | 390 | <varlistentry id="flock">
|
---|
| 391 | <term><command>flock</command></term>
|
---|
| 392 | <listitem>
|
---|
| 393 | <para>Acquires a file lock and then executes a command with the lock
|
---|
| 394 | held</para>
|
---|
[e1428f3] | 395 | <indexterm zone="ch-system-util-linux flock">
|
---|
[a2add74] | 396 | <primary sortas="b-flock">flock</primary>
|
---|
[8bc46a5] | 397 | </indexterm>
|
---|
| 398 | </listitem>
|
---|
| 399 | </varlistentry>
|
---|
| 400 |
|
---|
[cd82ee5] | 401 | <varlistentry id="fsck">
|
---|
| 402 | <term><command>fsck</command></term>
|
---|
| 403 | <listitem>
|
---|
| 404 | <para>Is used to check, and optionally repair, file systems</para>
|
---|
[e1428f3] | 405 | <indexterm zone="ch-system-util-linux fsck">
|
---|
[cd82ee5] | 406 | <primary sortas="b-fsck">fsck</primary>
|
---|
| 407 | </indexterm>
|
---|
| 408 | </listitem>
|
---|
| 409 | </varlistentry>
|
---|
| 410 |
|
---|
[ddd5542] | 411 | <varlistentry id="fsck.cramfs">
|
---|
| 412 | <term><command>fsck.cramfs</command></term>
|
---|
| 413 | <listitem>
|
---|
| 414 | <para>Performs a consistency check on the Cramfs file system on the
|
---|
| 415 | given device</para>
|
---|
[e1428f3] | 416 | <indexterm zone="ch-system-util-linux fsck.cramfs">
|
---|
[ddd5542] | 417 | <primary sortas="b-fsck.cramfs">fsck.cramfs</primary>
|
---|
| 418 | </indexterm>
|
---|
| 419 | </listitem>
|
---|
| 420 | </varlistentry>
|
---|
| 421 |
|
---|
| 422 | <varlistentry id="fsck.minix">
|
---|
| 423 | <term><command>fsck.minix</command></term>
|
---|
| 424 | <listitem>
|
---|
| 425 | <para>Performs a consistency check on the Minix file system on the
|
---|
| 426 | given device</para>
|
---|
[e1428f3] | 427 | <indexterm zone="ch-system-util-linux fsck.minix">
|
---|
[ddd5542] | 428 | <primary sortas="b-fsck.minix">fsck.minix</primary>
|
---|
| 429 | </indexterm>
|
---|
| 430 | </listitem>
|
---|
| 431 | </varlistentry>
|
---|
| 432 |
|
---|
[6541b70] | 433 | <varlistentry id="fsfreeze">
|
---|
| 434 | <term><command>fsfreeze</command></term>
|
---|
| 435 | <listitem>
|
---|
[2ca8941] | 436 | <para>Is a very simple wrapper around FIFREEZE/FITHAW ioctl
|
---|
[6541b70] | 437 | kernel driver operations</para>
|
---|
[e1428f3] | 438 | <indexterm zone="ch-system-util-linux fsfreeze">
|
---|
[6541b70] | 439 | <primary sortas="b-fsfreeze">fsfreeze</primary>
|
---|
| 440 | </indexterm>
|
---|
| 441 | </listitem>
|
---|
| 442 | </varlistentry>
|
---|
| 443 |
|
---|
[e1428f3] | 444 | <varlistentry id="fstrim">
|
---|
| 445 | <term><command>fstrim</command></term>
|
---|
| 446 | <listitem>
|
---|
| 447 | <para>Discards unused blocks on a mounted filesystem</para>
|
---|
| 448 | <indexterm zone="ch-system-util-linux fstrim">
|
---|
| 449 | <primary sortas="b-fstrim">fstrim</primary>
|
---|
| 450 | </indexterm>
|
---|
| 451 | </listitem>
|
---|
| 452 | </varlistentry>
|
---|
| 453 |
|
---|
[ddd5542] | 454 | <varlistentry id="getopt">
|
---|
| 455 | <term><command>getopt</command></term>
|
---|
| 456 | <listitem>
|
---|
| 457 | <para>Parses options in the given command line</para>
|
---|
[e1428f3] | 458 | <indexterm zone="ch-system-util-linux getopt">
|
---|
[ddd5542] | 459 | <primary sortas="b-getopt">getopt</primary>
|
---|
| 460 | </indexterm>
|
---|
| 461 | </listitem>
|
---|
| 462 | </varlistentry>
|
---|
| 463 |
|
---|
| 464 | <varlistentry id="hexdump">
|
---|
| 465 | <term><command>hexdump</command></term>
|
---|
| 466 | <listitem>
|
---|
| 467 | <para>Dumps the given file in hexadecimal or in another given
|
---|
| 468 | format</para>
|
---|
[e1428f3] | 469 | <indexterm zone="ch-system-util-linux hexdump">
|
---|
[ddd5542] | 470 | <primary sortas="b-hexdump">hexdump</primary>
|
---|
| 471 | </indexterm>
|
---|
| 472 | </listitem>
|
---|
| 473 | </varlistentry>
|
---|
| 474 |
|
---|
| 475 | <varlistentry id="hwclock">
|
---|
| 476 | <term><command>hwclock</command></term>
|
---|
| 477 | <listitem>
|
---|
| 478 | <para>Reads or sets the system's hardware clock, also called
|
---|
| 479 | the Real-Time Clock (RTC) or Basic Input-Output System (BIOS)
|
---|
| 480 | clock</para>
|
---|
[e1428f3] | 481 | <indexterm zone="ch-system-util-linux hwclock">
|
---|
[ddd5542] | 482 | <primary sortas="b-hwclock">hwclock</primary>
|
---|
| 483 | </indexterm>
|
---|
| 484 | </listitem>
|
---|
| 485 | </varlistentry>
|
---|
| 486 |
|
---|
[db2f21e] | 487 | <varlistentry id="i386">
|
---|
| 488 | <term><command>i386</command></term>
|
---|
| 489 | <listitem>
|
---|
| 490 | <para>A symbolic link to setarch</para>
|
---|
[e1428f3] | 491 | <indexterm zone="ch-system-util-linux i386">
|
---|
[db2f21e] | 492 | <primary sortas="b-i386">i386</primary>
|
---|
| 493 | </indexterm>
|
---|
| 494 | </listitem>
|
---|
| 495 | </varlistentry>
|
---|
| 496 |
|
---|
[5c92d21] | 497 | <varlistentry id="ionice">
|
---|
| 498 | <term><command>ionice</command></term>
|
---|
| 499 | <listitem>
|
---|
| 500 | <para>Gets or sets the io scheduling class and priority for a program</para>
|
---|
[e1428f3] | 501 | <indexterm zone="ch-system-util-linux ionice">
|
---|
[5c92d21] | 502 | <primary sortas="b-ionice">ionice</primary>
|
---|
| 503 | </indexterm>
|
---|
| 504 | </listitem>
|
---|
| 505 | </varlistentry>
|
---|
| 506 |
|
---|
[cd82ee5] | 507 | <varlistentry id="ipcmk">
|
---|
| 508 | <term><command>ipcmk</command></term>
|
---|
| 509 | <listitem>
|
---|
| 510 | <para>Creates various IPC resources</para>
|
---|
[e1428f3] | 511 | <indexterm zone="ch-system-util-linux ipcmk">
|
---|
[cd82ee5] | 512 | <primary sortas="b-ipcmk">ipcmk</primary>
|
---|
| 513 | </indexterm>
|
---|
| 514 | </listitem>
|
---|
| 515 | </varlistentry>
|
---|
| 516 |
|
---|
[ddd5542] | 517 | <varlistentry id="ipcrm">
|
---|
| 518 | <term><command>ipcrm</command></term>
|
---|
| 519 | <listitem>
|
---|
| 520 | <para>Removes the given Inter-Process Communication (IPC) resource</para>
|
---|
[e1428f3] | 521 | <indexterm zone="ch-system-util-linux ipcrm">
|
---|
[ddd5542] | 522 | <primary sortas="b-ipcrm">ipcrm</primary>
|
---|
| 523 | </indexterm>
|
---|
| 524 | </listitem>
|
---|
| 525 | </varlistentry>
|
---|
| 526 |
|
---|
| 527 | <varlistentry id="ipcs">
|
---|
| 528 | <term><command>ipcs</command></term>
|
---|
| 529 | <listitem>
|
---|
| 530 | <para>Provides IPC status information</para>
|
---|
[e1428f3] | 531 | <indexterm zone="ch-system-util-linux ipcs">
|
---|
[ddd5542] | 532 | <primary sortas="b-ipcs">ipcs</primary>
|
---|
| 533 | </indexterm>
|
---|
| 534 | </listitem>
|
---|
| 535 | </varlistentry>
|
---|
| 536 |
|
---|
| 537 | <varlistentry id="isosize">
|
---|
| 538 | <term><command>isosize</command></term>
|
---|
| 539 | <listitem>
|
---|
| 540 | <para>Reports the size of an iso9660 file system</para>
|
---|
[e1428f3] | 541 | <indexterm zone="ch-system-util-linux isosize">
|
---|
[ddd5542] | 542 | <primary sortas="b-isosize">isosize</primary>
|
---|
| 543 | </indexterm>
|
---|
| 544 | </listitem>
|
---|
| 545 | </varlistentry>
|
---|
| 546 |
|
---|
[d9aaf3d] | 547 | <varlistentry id="kill">
|
---|
| 548 | <term><command>kill</command></term>
|
---|
| 549 | <listitem>
|
---|
| 550 | <para>Sends signals to processes</para>
|
---|
| 551 | <indexterm zone="ch-system-util-linux kill">
|
---|
| 552 | <primary sortas="b-kill">kill</primary>
|
---|
| 553 | </indexterm>
|
---|
| 554 | </listitem>
|
---|
| 555 | </varlistentry>
|
---|
| 556 |
|
---|
[4783efe] | 557 | <varlistentry id="last">
|
---|
| 558 | <term><command>last</command></term>
|
---|
| 559 | <listitem>
|
---|
| 560 | <para>Shows which users last logged in (and out), searching back
|
---|
| 561 | through the <filename>/var/log/wtmp</filename> file; it also shows
|
---|
| 562 | system boots, shutdowns, and run-level changes</para>
|
---|
| 563 | <indexterm zone="ch-system-util-linux last">
|
---|
| 564 | <primary sortas="b-last">last</primary>
|
---|
| 565 | </indexterm>
|
---|
| 566 | </listitem>
|
---|
| 567 | </varlistentry>
|
---|
| 568 |
|
---|
| 569 | <varlistentry id="lastb">
|
---|
| 570 | <term><command>lastb</command></term>
|
---|
| 571 | <listitem>
|
---|
| 572 | <para>Shows the failed login attempts, as logged in
|
---|
| 573 | <filename>/var/log/btmp</filename></para>
|
---|
| 574 | <indexterm zone="ch-system-util-linux lastb">
|
---|
| 575 | <primary sortas="b-lastb">lastb</primary>
|
---|
| 576 | </indexterm>
|
---|
| 577 | </listitem>
|
---|
| 578 | </varlistentry>
|
---|
| 579 |
|
---|
[5c92d21] | 580 | <varlistentry id="ldattach">
|
---|
| 581 | <term><command>ldattach</command></term>
|
---|
| 582 | <listitem>
|
---|
| 583 | <para>Attaches a line discipline to a serial line</para>
|
---|
[e1428f3] | 584 | <indexterm zone="ch-system-util-linux ldattach">
|
---|
[5c92d21] | 585 | <primary sortas="b-ldattach">ldattach</primary>
|
---|
| 586 | </indexterm>
|
---|
| 587 | </listitem>
|
---|
| 588 | </varlistentry>
|
---|
| 589 |
|
---|
[db2f21e] | 590 | <varlistentry id="linux32">
|
---|
| 591 | <term><command>linux32</command></term>
|
---|
| 592 | <listitem>
|
---|
| 593 | <para>A symbolic link to setarch</para>
|
---|
[e1428f3] | 594 | <indexterm zone="ch-system-util-linux linux32">
|
---|
[db2f21e] | 595 | <primary sortas="b-linux32">linux32</primary>
|
---|
| 596 | </indexterm>
|
---|
| 597 | </listitem>
|
---|
| 598 | </varlistentry>
|
---|
| 599 |
|
---|
| 600 | <varlistentry id="linux64">
|
---|
| 601 | <term><command>linux64</command></term>
|
---|
| 602 | <listitem>
|
---|
| 603 | <para>A symbolic link to setarch</para>
|
---|
[e1428f3] | 604 | <indexterm zone="ch-system-util-linux linux64">
|
---|
[db2f21e] | 605 | <primary sortas="b-linux64">linux64</primary>
|
---|
| 606 | </indexterm>
|
---|
| 607 | </listitem>
|
---|
| 608 | </varlistentry>
|
---|
| 609 |
|
---|
[ddd5542] | 610 | <varlistentry id="logger">
|
---|
| 611 | <term><command>logger</command></term>
|
---|
| 612 | <listitem>
|
---|
| 613 | <para>Enters the given message into the system log</para>
|
---|
[e1428f3] | 614 | <indexterm zone="ch-system-util-linux logger">
|
---|
[ddd5542] | 615 | <primary sortas="b-logger">logger</primary>
|
---|
| 616 | </indexterm>
|
---|
| 617 | </listitem>
|
---|
| 618 | </varlistentry>
|
---|
| 619 |
|
---|
| 620 | <varlistentry id="look">
|
---|
| 621 | <term><command>look</command></term>
|
---|
| 622 | <listitem>
|
---|
| 623 | <para>Displays lines that begin with the given string</para>
|
---|
[e1428f3] | 624 | <indexterm zone="ch-system-util-linux look">
|
---|
[ddd5542] | 625 | <primary sortas="b-look">look</primary>
|
---|
| 626 | </indexterm>
|
---|
| 627 | </listitem>
|
---|
| 628 | </varlistentry>
|
---|
| 629 |
|
---|
| 630 | <varlistentry id="losetup">
|
---|
| 631 | <term><command>losetup</command></term>
|
---|
| 632 | <listitem>
|
---|
| 633 | <para>Sets up and controls loop devices</para>
|
---|
[e1428f3] | 634 | <indexterm zone="ch-system-util-linux losetup">
|
---|
[ddd5542] | 635 | <primary sortas="b-losetup">losetup</primary>
|
---|
| 636 | </indexterm>
|
---|
| 637 | </listitem>
|
---|
| 638 | </varlistentry>
|
---|
| 639 |
|
---|
[e1428f3] | 640 | <varlistentry id="lsblk">
|
---|
| 641 | <term><command>lsblk</command></term>
|
---|
| 642 | <listitem>
|
---|
| 643 | <para>Lists information about all or selected block devices in
|
---|
[afba93b] | 644 | a tree-like format</para>
|
---|
[e1428f3] | 645 | <indexterm zone="ch-system-util-linux lsblk">
|
---|
| 646 | <primary sortas="b-lsblk">lsblk</primary>
|
---|
| 647 | </indexterm>
|
---|
| 648 | </listitem>
|
---|
| 649 | </varlistentry>
|
---|
| 650 |
|
---|
[cd82ee5] | 651 | <varlistentry id="lscpu">
|
---|
| 652 | <term><command>lscpu</command></term>
|
---|
| 653 | <listitem>
|
---|
[cb02946] | 654 | <para>Prints CPU architecture information</para>
|
---|
[e1428f3] | 655 | <indexterm zone="ch-system-util-linux lscpu">
|
---|
[cd82ee5] | 656 | <primary sortas="b-lscpu">lscpu</primary>
|
---|
| 657 | </indexterm>
|
---|
| 658 | </listitem>
|
---|
| 659 | </varlistentry>
|
---|
| 660 |
|
---|
[040ecb6] | 661 | <varlistentry id="lsipc">
|
---|
| 662 | <term><command>lsipc</command></term>
|
---|
| 663 | <listitem>
|
---|
| 664 | <para>Prints information on IPC facilities currently employed
|
---|
| 665 | in the system</para>
|
---|
| 666 | <indexterm zone="ch-system-util-linux lsipc">
|
---|
| 667 | <primary sortas="b-lsipc">lsipc</primary>
|
---|
| 668 | </indexterm>
|
---|
| 669 | </listitem>
|
---|
| 670 | </varlistentry>
|
---|
| 671 |
|
---|
[ca101ad] | 672 | <varlistentry id="lslocks">
|
---|
| 673 | <term><command>lslocks</command></term>
|
---|
| 674 | <listitem>
|
---|
| 675 | <para>Lists local system locks</para>
|
---|
| 676 | <indexterm zone="ch-system-util-linux lslocks">
|
---|
| 677 | <primary sortas="b-lslocks">lslocks</primary>
|
---|
| 678 | </indexterm>
|
---|
| 679 | </listitem>
|
---|
| 680 | </varlistentry>
|
---|
| 681 |
|
---|
[14109e7] | 682 | <varlistentry id="lslogins">
|
---|
| 683 | <term><command>lslogins</command></term>
|
---|
| 684 | <listitem>
|
---|
| 685 | <para>Lists information about users, groups and system accounts</para>
|
---|
| 686 | <indexterm zone="ch-system-util-linux lslogins">
|
---|
| 687 | <primary sortas="b-lslogins">lslogins</primary>
|
---|
| 688 | </indexterm>
|
---|
| 689 | </listitem>
|
---|
| 690 | </varlistentry>
|
---|
| 691 |
|
---|
[ddd5542] | 692 | <varlistentry id="mcookie">
|
---|
| 693 | <term><command>mcookie</command></term>
|
---|
| 694 | <listitem>
|
---|
| 695 | <para>Generates magic cookies (128-bit random hexadecimal numbers) for
|
---|
| 696 | <command>xauth</command></para>
|
---|
[e1428f3] | 697 | <indexterm zone="ch-system-util-linux mcookie">
|
---|
[ddd5542] | 698 | <primary sortas="b-mcookie">mcookie</primary>
|
---|
| 699 | </indexterm>
|
---|
| 700 | </listitem>
|
---|
| 701 | </varlistentry>
|
---|
| 702 |
|
---|
[4783efe] | 703 | <varlistentry id="mesg">
|
---|
| 704 | <term><command>mesg</command></term>
|
---|
| 705 | <listitem>
|
---|
| 706 | <para>Controls whether other users can send messages to the current
|
---|
| 707 | user's terminal</para>
|
---|
| 708 | <indexterm zone="ch-system-util-linux mesg">
|
---|
| 709 | <primary sortas="b-mesg">mesg</primary>
|
---|
| 710 | </indexterm>
|
---|
| 711 | </listitem>
|
---|
| 712 | </varlistentry>
|
---|
| 713 |
|
---|
[ddd5542] | 714 | <varlistentry id="mkfs">
|
---|
| 715 | <term><command>mkfs</command></term>
|
---|
| 716 | <listitem>
|
---|
| 717 | <para>Builds a file system on a device (usually a hard disk
|
---|
| 718 | partition)</para>
|
---|
[e1428f3] | 719 | <indexterm zone="ch-system-util-linux mkfs">
|
---|
[ddd5542] | 720 | <primary sortas="b-mkfs">mkfs</primary>
|
---|
| 721 | </indexterm>
|
---|
| 722 | </listitem>
|
---|
| 723 | </varlistentry>
|
---|
| 724 |
|
---|
| 725 | <varlistentry id="mkfs.bfs">
|
---|
| 726 | <term><command>mkfs.bfs</command></term>
|
---|
| 727 | <listitem>
|
---|
| 728 | <para>Creates a Santa Cruz Operations (SCO) bfs file system</para>
|
---|
[e1428f3] | 729 | <indexterm zone="ch-system-util-linux mkfs.bfs">
|
---|
[ddd5542] | 730 | <primary sortas="b-mkfs.bfs">mkfs.bfs</primary>
|
---|
| 731 | </indexterm>
|
---|
| 732 | </listitem>
|
---|
| 733 | </varlistentry>
|
---|
| 734 |
|
---|
| 735 | <varlistentry id="mkfs.cramfs">
|
---|
| 736 | <term><command>mkfs.cramfs</command></term>
|
---|
| 737 | <listitem>
|
---|
| 738 | <para>Creates a cramfs file system</para>
|
---|
[e1428f3] | 739 | <indexterm zone="ch-system-util-linux mkfs.cramfs">
|
---|
[ddd5542] | 740 | <primary sortas="b-mkfs.cramfs">mkfs.cramfs</primary>
|
---|
| 741 | </indexterm>
|
---|
| 742 | </listitem>
|
---|
| 743 | </varlistentry>
|
---|
| 744 |
|
---|
| 745 | <varlistentry id="mkfs.minix">
|
---|
| 746 | <term><command>mkfs.minix</command></term>
|
---|
| 747 | <listitem>
|
---|
| 748 | <para>Creates a Minix file system</para>
|
---|
[e1428f3] | 749 | <indexterm zone="ch-system-util-linux mkfs.minix">
|
---|
[ddd5542] | 750 | <primary sortas="b-mkfs.minix">mkfs.minix</primary>
|
---|
| 751 | </indexterm>
|
---|
| 752 | </listitem>
|
---|
| 753 | </varlistentry>
|
---|
| 754 |
|
---|
| 755 | <varlistentry id="mkswap">
|
---|
| 756 | <term><command>mkswap</command></term>
|
---|
| 757 | <listitem>
|
---|
| 758 | <para>Initializes the given device or file to be used as a swap
|
---|
| 759 | area</para>
|
---|
[e1428f3] | 760 | <indexterm zone="ch-system-util-linux mkswap">
|
---|
[ddd5542] | 761 | <primary sortas="b-mkswap">mkswap</primary>
|
---|
| 762 | </indexterm>
|
---|
| 763 | </listitem>
|
---|
| 764 | </varlistentry>
|
---|
| 765 |
|
---|
| 766 | <varlistentry id="more">
|
---|
| 767 | <term><command>more</command></term>
|
---|
| 768 | <listitem>
|
---|
| 769 | <para>A filter for paging through text one screen at a time</para>
|
---|
[e1428f3] | 770 | <indexterm zone="ch-system-util-linux more">
|
---|
[ddd5542] | 771 | <primary sortas="b-more">more</primary>
|
---|
| 772 | </indexterm>
|
---|
| 773 | </listitem>
|
---|
| 774 | </varlistentry>
|
---|
| 775 |
|
---|
| 776 | <varlistentry id="mount">
|
---|
| 777 | <term><command>mount</command></term>
|
---|
| 778 | <listitem>
|
---|
| 779 | <para>Attaches the file system on the given device to a specified
|
---|
| 780 | directory in the file-system tree</para>
|
---|
[e1428f3] | 781 | <indexterm zone="ch-system-util-linux mount">
|
---|
[ddd5542] | 782 | <primary sortas="b-mount">mount</primary>
|
---|
| 783 | </indexterm>
|
---|
| 784 | </listitem>
|
---|
| 785 | </varlistentry>
|
---|
| 786 |
|
---|
[eb797aa] | 787 | <varlistentry id="mountpoint">
|
---|
| 788 | <term><command>mountpoint</command></term>
|
---|
| 789 | <listitem>
|
---|
| 790 | <para>Checks if the directory is a mountpoint</para>
|
---|
| 791 | <indexterm zone="ch-system-util-linux mountpoint">
|
---|
| 792 | <primary sortas="b-mountpoint">mountpoint</primary>
|
---|
| 793 | </indexterm>
|
---|
| 794 | </listitem>
|
---|
| 795 | </varlistentry>
|
---|
| 796 |
|
---|
[ddd5542] | 797 | <varlistentry id="namei">
|
---|
| 798 | <term><command>namei</command></term>
|
---|
| 799 | <listitem>
|
---|
| 800 | <para>Shows the symbolic links in the given pathnames</para>
|
---|
[e1428f3] | 801 | <indexterm zone="ch-system-util-linux namei">
|
---|
[ddd5542] | 802 | <primary sortas="b-namei">namei</primary>
|
---|
| 803 | </indexterm>
|
---|
| 804 | </listitem>
|
---|
| 805 | </varlistentry>
|
---|
| 806 |
|
---|
[f6b1d91] | 807 | <varlistentry id="nsenter">
|
---|
| 808 | <term><command>nsenter</command></term>
|
---|
| 809 | <listitem>
|
---|
| 810 | <para>Runs a program with namespaces of other processes</para>
|
---|
| 811 | <indexterm zone="ch-system-util-linux nsenter">
|
---|
| 812 | <primary sortas="b-nsenter">nsenter</primary>
|
---|
| 813 | </indexterm>
|
---|
| 814 | </listitem>
|
---|
| 815 | </varlistentry>
|
---|
| 816 |
|
---|
[5c92d21] | 817 | <varlistentry id="partx">
|
---|
| 818 | <term><command>partx</command></term>
|
---|
| 819 | <listitem>
|
---|
| 820 | <para>Tells the kernel about the presence and numbering of on-disk
|
---|
| 821 | partitions</para>
|
---|
[e1428f3] | 822 | <indexterm zone="ch-system-util-linux partx">
|
---|
[5c92d21] | 823 | <primary sortas="b-partx">partx</primary>
|
---|
| 824 | </indexterm>
|
---|
| 825 | </listitem>
|
---|
| 826 | </varlistentry>
|
---|
| 827 |
|
---|
[ddd5542] | 828 | <varlistentry id="pg">
|
---|
| 829 | <term><command>pg</command></term>
|
---|
| 830 | <listitem>
|
---|
| 831 | <para>Displays a text file one screen full at a time</para>
|
---|
[e1428f3] | 832 | <indexterm zone="ch-system-util-linux pg">
|
---|
[ddd5542] | 833 | <primary sortas="b-pg">pg</primary>
|
---|
| 834 | </indexterm>
|
---|
| 835 | </listitem>
|
---|
| 836 | </varlistentry>
|
---|
| 837 |
|
---|
| 838 | <varlistentry id="pivot_root">
|
---|
| 839 | <term><command>pivot_root</command></term>
|
---|
| 840 | <listitem>
|
---|
| 841 | <para>Makes the given file system the new root file system of the
|
---|
| 842 | current process</para>
|
---|
[e1428f3] | 843 | <indexterm zone="ch-system-util-linux pivot_root">
|
---|
[ddd5542] | 844 | <primary sortas="b-pivot_root">pivot_root</primary>
|
---|
| 845 | </indexterm>
|
---|
| 846 | </listitem>
|
---|
| 847 | </varlistentry>
|
---|
| 848 |
|
---|
[0c90d60] | 849 | <varlistentry id="prlimit">
|
---|
| 850 | <term><command>prlimit</command></term>
|
---|
| 851 | <listitem>
|
---|
| 852 | <para>Get and set a process' resource limits</para>
|
---|
| 853 | <indexterm zone="ch-system-util-linux prlimit">
|
---|
| 854 | <primary sortas="b-prlimit">prlimit</primary>
|
---|
| 855 | </indexterm>
|
---|
| 856 | </listitem>
|
---|
| 857 | </varlistentry>
|
---|
| 858 |
|
---|
| 859 | <varlistentry id="raw">
|
---|
| 860 | <term><command>raw</command></term>
|
---|
| 861 | <listitem>
|
---|
| 862 | <para>Bind a Linux raw character device to a block device</para>
|
---|
| 863 | <indexterm zone="ch-system-util-linux raw">
|
---|
| 864 | <primary sortas="b-raw">raw</primary>
|
---|
| 865 | </indexterm>
|
---|
| 866 | </listitem>
|
---|
| 867 | </varlistentry>
|
---|
| 868 |
|
---|
[ddd5542] | 869 | <varlistentry id="readprofile">
|
---|
| 870 | <term><command>readprofile</command></term>
|
---|
| 871 | <listitem>
|
---|
| 872 | <para>Reads kernel profiling information</para>
|
---|
[e1428f3] | 873 | <indexterm zone="ch-system-util-linux readprofile">
|
---|
[ddd5542] | 874 | <primary sortas="b-readprofile">readprofile</primary>
|
---|
| 875 | </indexterm>
|
---|
| 876 | </listitem>
|
---|
| 877 | </varlistentry>
|
---|
| 878 |
|
---|
| 879 | <varlistentry id="rename">
|
---|
| 880 | <term><command>rename</command></term>
|
---|
| 881 | <listitem>
|
---|
| 882 | <para>Renames the given files, replacing a given string with
|
---|
| 883 | another</para>
|
---|
[e1428f3] | 884 | <indexterm zone="ch-system-util-linux rename">
|
---|
[ddd5542] | 885 | <primary sortas="b-rename">rename</primary>
|
---|
| 886 | </indexterm>
|
---|
| 887 | </listitem>
|
---|
| 888 | </varlistentry>
|
---|
| 889 |
|
---|
| 890 | <varlistentry id="renice">
|
---|
| 891 | <term><command>renice</command></term>
|
---|
| 892 | <listitem>
|
---|
| 893 | <para>Alters the priority of running processes</para>
|
---|
[e1428f3] | 894 | <indexterm zone="ch-system-util-linux renice">
|
---|
[ddd5542] | 895 | <primary sortas="b-renice">renice</primary>
|
---|
| 896 | </indexterm>
|
---|
| 897 | </listitem>
|
---|
| 898 | </varlistentry>
|
---|
| 899 |
|
---|
[ca101ad] | 900 | <varlistentry id="resizepart">
|
---|
| 901 | <term><command>resizepart</command></term>
|
---|
| 902 | <listitem>
|
---|
| 903 | <para>Asks the Linux kernel to resize a partition</para>
|
---|
| 904 | <indexterm zone="ch-system-util-linux resizepart">
|
---|
| 905 | <primary sortas="b-resizepart">resizepart</primary>
|
---|
| 906 | </indexterm>
|
---|
| 907 | </listitem>
|
---|
| 908 | </varlistentry>
|
---|
| 909 |
|
---|
[ddd5542] | 910 | <varlistentry id="rev">
|
---|
| 911 | <term><command>rev</command></term>
|
---|
| 912 | <listitem>
|
---|
| 913 | <para>Reverses the lines of a given file</para>
|
---|
[e1428f3] | 914 | <indexterm zone="ch-system-util-linux rev">
|
---|
[ddd5542] | 915 | <primary sortas="b-rev">rev</primary>
|
---|
| 916 | </indexterm>
|
---|
| 917 | </listitem>
|
---|
| 918 | </varlistentry>
|
---|
| 919 |
|
---|
[5c92d21] | 920 | <varlistentry id="rtcwake">
|
---|
| 921 | <term><command>rtcwake</command></term>
|
---|
[ddd5542] | 922 | <listitem>
|
---|
[5c92d21] | 923 | <para>Used to enter a system sleep state until specified wakeup
|
---|
| 924 | time</para>
|
---|
[e1428f3] | 925 | <indexterm zone="ch-system-util-linux rtcwake">
|
---|
[5c92d21] | 926 | <primary sortas="b-rtcwake">rtcwake</primary>
|
---|
[ddd5542] | 927 | </indexterm>
|
---|
| 928 | </listitem>
|
---|
| 929 | </varlistentry>
|
---|
| 930 |
|
---|
| 931 | <varlistentry id="script">
|
---|
| 932 | <term><command>script</command></term>
|
---|
| 933 | <listitem>
|
---|
| 934 | <para>Makes a typescript of a terminal session</para>
|
---|
[e1428f3] | 935 | <indexterm zone="ch-system-util-linux script">
|
---|
[ddd5542] | 936 | <primary sortas="b-script">script</primary>
|
---|
| 937 | </indexterm>
|
---|
| 938 | </listitem>
|
---|
| 939 | </varlistentry>
|
---|
| 940 |
|
---|
[5c92d21] | 941 | <varlistentry id="scriptreplay">
|
---|
| 942 | <term><command>scriptreplay</command></term>
|
---|
| 943 | <listitem>
|
---|
| 944 | <para>Plays back typescripts using timing information</para>
|
---|
[e1428f3] | 945 | <indexterm zone="ch-system-util-linux scriptreplay">
|
---|
[5c92d21] | 946 | <primary sortas="b-scriptreplay">scriptreplay</primary>
|
---|
| 947 | </indexterm>
|
---|
| 948 | </listitem>
|
---|
| 949 | </varlistentry>
|
---|
| 950 |
|
---|
| 951 | <varlistentry id="setarch">
|
---|
| 952 | <term><command>setarch</command></term>
|
---|
[ddd5542] | 953 | <listitem>
|
---|
[5c92d21] | 954 | <para>Changes reported architecture in a new program environment and
|
---|
| 955 | sets personality flags</para>
|
---|
[e1428f3] | 956 | <indexterm zone="ch-system-util-linux setarch">
|
---|
[5c92d21] | 957 | <primary sortas="b-setarch">setarch</primary>
|
---|
[ddd5542] | 958 | </indexterm>
|
---|
| 959 | </listitem>
|
---|
| 960 | </varlistentry>
|
---|
| 961 |
|
---|
| 962 | <varlistentry id="setsid">
|
---|
| 963 | <term><command>setsid</command></term>
|
---|
| 964 | <listitem>
|
---|
| 965 | <para>Runs the given program in a new session</para>
|
---|
[e1428f3] | 966 | <indexterm zone="ch-system-util-linux setsid">
|
---|
[ddd5542] | 967 | <primary sortas="b-setsid">setsid</primary>
|
---|
| 968 | </indexterm>
|
---|
| 969 | </listitem>
|
---|
| 970 | </varlistentry>
|
---|
| 971 |
|
---|
| 972 | <varlistentry id="setterm">
|
---|
| 973 | <term><command>setterm</command></term>
|
---|
| 974 | <listitem>
|
---|
| 975 | <para>Sets terminal attributes</para>
|
---|
[e1428f3] | 976 | <indexterm zone="ch-system-util-linux setterm">
|
---|
[ddd5542] | 977 | <primary sortas="b-setterm">setterm</primary>
|
---|
| 978 | </indexterm>
|
---|
| 979 | </listitem>
|
---|
| 980 | </varlistentry>
|
---|
| 981 |
|
---|
| 982 | <varlistentry id="sfdisk">
|
---|
| 983 | <term><command>sfdisk</command></term>
|
---|
| 984 | <listitem>
|
---|
| 985 | <para>A disk partition table manipulator</para>
|
---|
[e1428f3] | 986 | <indexterm zone="ch-system-util-linux sfdisk">
|
---|
[ddd5542] | 987 | <primary sortas="b-sfdisk">sfdisk</primary>
|
---|
| 988 | </indexterm>
|
---|
| 989 | </listitem>
|
---|
| 990 | </varlistentry>
|
---|
| 991 |
|
---|
[4783efe] | 992 | <varlistentry id="sulogin">
|
---|
| 993 | <term><command>sulogin</command></term>
|
---|
| 994 | <listitem>
|
---|
| 995 | <para>Allows <systemitem class="username">root</systemitem> to log in;
|
---|
| 996 | it is normally invoked by <command>init</command> when the system goes
|
---|
| 997 | into single user mode</para>
|
---|
| 998 | <indexterm zone="ch-system-util-linux sulogin">
|
---|
| 999 | <primary sortas="b-sulogin">sulogin</primary>
|
---|
| 1000 | </indexterm>
|
---|
| 1001 | </listitem>
|
---|
| 1002 | </varlistentry>
|
---|
| 1003 |
|
---|
[6541b70] | 1004 | <varlistentry id="swaplabel">
|
---|
| 1005 | <term><command>swaplabel</command></term>
|
---|
| 1006 | <listitem>
|
---|
| 1007 | <para>Allows to change swaparea UUID and label</para>
|
---|
[e1428f3] | 1008 | <indexterm zone="ch-system-util-linux swaplabel">
|
---|
[6541b70] | 1009 | <primary sortas="b-swaplabel">swaplabel</primary>
|
---|
| 1010 | </indexterm>
|
---|
| 1011 | </listitem>
|
---|
| 1012 | </varlistentry>
|
---|
| 1013 |
|
---|
[90aae6b] | 1014 | <varlistentry id="swapoff">
|
---|
| 1015 | <term><command>swapoff</command></term>
|
---|
| 1016 | <listitem>
|
---|
| 1017 | <para>Disables devices and files for paging and swapping</para>
|
---|
[e1428f3] | 1018 | <indexterm zone="ch-system-util-linux swapoff">
|
---|
[90aae6b] | 1019 | <primary sortas="b-swapoff">swapoff</primary>
|
---|
| 1020 | </indexterm>
|
---|
| 1021 | </listitem>
|
---|
| 1022 | </varlistentry>
|
---|
| 1023 |
|
---|
[ddd5542] | 1024 | <varlistentry id="swapon">
|
---|
| 1025 | <term><command>swapon</command></term>
|
---|
| 1026 | <listitem>
|
---|
| 1027 | <para>Enables devices and files for paging and swapping and
|
---|
| 1028 | lists the devices and files currently in use</para>
|
---|
[e1428f3] | 1029 | <indexterm zone="ch-system-util-linux swapon">
|
---|
[ddd5542] | 1030 | <primary sortas="b-swapon">swapon</primary>
|
---|
| 1031 | </indexterm>
|
---|
| 1032 | </listitem>
|
---|
| 1033 | </varlistentry>
|
---|
| 1034 |
|
---|
[cd82ee5] | 1035 | <varlistentry id="switch_root">
|
---|
| 1036 | <term><command>switch_root</command></term>
|
---|
| 1037 | <listitem>
|
---|
| 1038 | <para>Switches to another filesystem as the root of the mount tree</para>
|
---|
[e1428f3] | 1039 | <indexterm zone="ch-system-util-linux switch_root">
|
---|
[cd82ee5] | 1040 | <primary sortas="b-switch_root">switch_root</primary>
|
---|
| 1041 | </indexterm>
|
---|
| 1042 | </listitem>
|
---|
| 1043 | </varlistentry>
|
---|
| 1044 |
|
---|
[8bc46a5] | 1045 | <varlistentry id="tailf">
|
---|
| 1046 | <term><command>tailf</command></term>
|
---|
| 1047 | <listitem>
|
---|
[7bb9fda] | 1048 | <para>Tracks the growth of a log file; displays the last 10 lines
|
---|
[8bc46a5] | 1049 | of a log file, then continues displaying any new entries in the
|
---|
| 1050 | log file as they are created</para>
|
---|
[e1428f3] | 1051 | <indexterm zone="ch-system-util-linux tailf">
|
---|
[8bc46a5] | 1052 | <primary sortas="b-tailf">tailf</primary>
|
---|
| 1053 | </indexterm>
|
---|
| 1054 | </listitem>
|
---|
| 1055 | </varlistentry>
|
---|
| 1056 |
|
---|
[5c92d21] | 1057 | <varlistentry id="taskset">
|
---|
| 1058 | <term><command>taskset</command></term>
|
---|
| 1059 | <listitem>
|
---|
| 1060 | <para>Retrieves or sets a process' CPU affinity</para>
|
---|
[e1428f3] | 1061 | <indexterm zone="ch-system-util-linux taskset">
|
---|
[5c92d21] | 1062 | <primary sortas="b-taskset">taskset</primary>
|
---|
| 1063 | </indexterm>
|
---|
| 1064 | </listitem>
|
---|
| 1065 | </varlistentry>
|
---|
| 1066 |
|
---|
[ddd5542] | 1067 | <varlistentry id="ul">
|
---|
| 1068 | <term><command>ul</command></term>
|
---|
| 1069 | <listitem>
|
---|
| 1070 | <para>A filter for translating underscores into escape sequences
|
---|
| 1071 | indicating underlining for the terminal in use</para>
|
---|
[e1428f3] | 1072 | <indexterm zone="ch-system-util-linux ul">
|
---|
[ddd5542] | 1073 | <primary sortas="b-ul">ul</primary>
|
---|
| 1074 | </indexterm>
|
---|
| 1075 | </listitem>
|
---|
| 1076 | </varlistentry>
|
---|
| 1077 |
|
---|
| 1078 | <varlistentry id="umount">
|
---|
| 1079 | <term><command>umount</command></term>
|
---|
| 1080 | <listitem>
|
---|
| 1081 | <para>Disconnects a file system from the system's file tree</para>
|
---|
[e1428f3] | 1082 | <indexterm zone="ch-system-util-linux umount">
|
---|
[ddd5542] | 1083 | <primary sortas="b-umount">umount</primary>
|
---|
| 1084 | </indexterm>
|
---|
| 1085 | </listitem>
|
---|
| 1086 | </varlistentry>
|
---|
| 1087 |
|
---|
[040ecb6] | 1088 | <varlistentry id="uname26">
|
---|
| 1089 | <term><command>uname26</command></term>
|
---|
| 1090 | <listitem>
|
---|
| 1091 | <para>A symbolic link to setarch</para>
|
---|
| 1092 | <indexterm zone="ch-system-util-linux uname26">
|
---|
| 1093 | <primary sortas="b-uname26">uname26</primary>
|
---|
| 1094 | </indexterm>
|
---|
| 1095 | </listitem>
|
---|
| 1096 | </varlistentry>
|
---|
| 1097 |
|
---|
[9d42ad9] | 1098 | <varlistentry id="unshare">
|
---|
| 1099 | <term><command>unshare</command></term>
|
---|
| 1100 | <listitem>
|
---|
| 1101 | <para>Runs a program with some namespaces unshared from parent</para>
|
---|
[e1428f3] | 1102 | <indexterm zone="ch-system-util-linux unshare">
|
---|
[9d42ad9] | 1103 | <primary sortas="b-unshare">unshare</primary>
|
---|
| 1104 | </indexterm>
|
---|
| 1105 | </listitem>
|
---|
| 1106 | </varlistentry>
|
---|
| 1107 |
|
---|
[ca101ad] | 1108 | <varlistentry id="utmpdump">
|
---|
| 1109 | <term><command>utmpdump</command></term>
|
---|
| 1110 | <listitem>
|
---|
| 1111 | <para>Displays the content of the given login file in a more
|
---|
| 1112 | user-friendly format</para>
|
---|
| 1113 | <indexterm zone="ch-system-util-linux utmpdump">
|
---|
| 1114 | <primary sortas="b-utmpdump">utmpdump</primary>
|
---|
| 1115 | </indexterm>
|
---|
| 1116 | </listitem>
|
---|
| 1117 | </varlistentry>
|
---|
| 1118 |
|
---|
[cd82ee5] | 1119 | <varlistentry id="uuidd">
|
---|
| 1120 | <term><command>uuidd</command></term>
|
---|
| 1121 | <listitem>
|
---|
| 1122 | <para>A daemon used by the UUID library to generate time-based
|
---|
[afba93b] | 1123 | UUIDs in a secure and guranteed-unique fashion</para>
|
---|
[e1428f3] | 1124 | <indexterm zone="ch-system-util-linux uuidd">
|
---|
[cd82ee5] | 1125 | <primary sortas="b-uuidd">uuidd</primary>
|
---|
| 1126 | </indexterm>
|
---|
| 1127 | </listitem>
|
---|
| 1128 | </varlistentry>
|
---|
| 1129 |
|
---|
| 1130 | <varlistentry id="uuidgen">
|
---|
| 1131 | <term><command>uuidgen</command></term>
|
---|
| 1132 | <listitem>
|
---|
| 1133 | <para>Creates new UUIDs. Each new UUID can reasonably be considered
|
---|
| 1134 | unique among all UUIDs created, on the local system and on other
|
---|
| 1135 | systems, in the past and in the future</para>
|
---|
[e1428f3] | 1136 | <indexterm zone="ch-system-util-linux uuidgen">
|
---|
[cd82ee5] | 1137 | <primary sortas="b-uuidgen">uuidgen</primary>
|
---|
| 1138 | </indexterm>
|
---|
| 1139 | </listitem>
|
---|
| 1140 | </varlistentry>
|
---|
| 1141 |
|
---|
[5c92d21] | 1142 | <varlistentry id="wall">
|
---|
| 1143 | <term><command>wall</command></term>
|
---|
[ddd5542] | 1144 | <listitem>
|
---|
[5c92d21] | 1145 | <para>Displays the contents of a file or, by default, its standard
|
---|
| 1146 | input, on the terminals of all currently logged in users</para>
|
---|
[e1428f3] | 1147 | <indexterm zone="ch-system-util-linux wall">
|
---|
[5c92d21] | 1148 | <primary sortas="b-wall">wall</primary>
|
---|
[ddd5542] | 1149 | </indexterm>
|
---|
| 1150 | </listitem>
|
---|
| 1151 | </varlistentry>
|
---|
| 1152 |
|
---|
[ca101ad] | 1153 | <varlistentry id="wdctl">
|
---|
| 1154 | <term><command>wdctl</command></term>
|
---|
| 1155 | <listitem>
|
---|
| 1156 | <para>Shows hardware watchdog status</para>
|
---|
| 1157 | <indexterm zone="ch-system-util-linux wdctl">
|
---|
| 1158 | <primary sortas="b-wdctl">wdctl</primary>
|
---|
| 1159 | </indexterm>
|
---|
| 1160 | </listitem>
|
---|
| 1161 | </varlistentry>
|
---|
| 1162 |
|
---|
[ddd5542] | 1163 | <varlistentry id="whereis">
|
---|
| 1164 | <term><command>whereis</command></term>
|
---|
| 1165 | <listitem>
|
---|
| 1166 | <para>Reports the location of the binary, source, and man page
|
---|
| 1167 | for the given command</para>
|
---|
[e1428f3] | 1168 | <indexterm zone="ch-system-util-linux whereis">
|
---|
[ddd5542] | 1169 | <primary sortas="b-whereis">whereis</primary>
|
---|
| 1170 | </indexterm>
|
---|
| 1171 | </listitem>
|
---|
| 1172 | </varlistentry>
|
---|
| 1173 |
|
---|
[9d42ad9] | 1174 | <varlistentry id="wipefs">
|
---|
| 1175 | <term><command>wipefs</command></term>
|
---|
| 1176 | <listitem>
|
---|
| 1177 | <para>Wipes a filesystem signature from a device</para>
|
---|
[e1428f3] | 1178 | <indexterm zone="ch-system-util-linux wipefs">
|
---|
[9d42ad9] | 1179 | <primary sortas="b-wipefs">wipefs</primary>
|
---|
| 1180 | </indexterm>
|
---|
| 1181 | </listitem>
|
---|
| 1182 | </varlistentry>
|
---|
| 1183 |
|
---|
[0c90d60] | 1184 | <varlistentry id="x86_64">
|
---|
| 1185 | <term><command>x86_64</command></term>
|
---|
[ddd5542] | 1186 | <listitem>
|
---|
[0c90d60] | 1187 | <para>A symbolic link to setarch</para>
|
---|
| 1188 | <indexterm zone="ch-system-util-linux x86_64">
|
---|
| 1189 | <primary sortas="b-x86_64">x86_64</primary>
|
---|
[ddd5542] | 1190 | </indexterm>
|
---|
| 1191 | </listitem>
|
---|
| 1192 | </varlistentry>
|
---|
| 1193 |
|
---|
[eb8b1c5] | 1194 | <varlistentry id="zramctl">
|
---|
| 1195 | <term><command>zramctl</command></term>
|
---|
| 1196 | <listitem>
|
---|
| 1197 | <para>A program to set up and control zram (compressed ram disk)
|
---|
| 1198 | devices</para>
|
---|
| 1199 | <indexterm zone="ch-system-util-linux zramctl">
|
---|
| 1200 | <primary sortas="b-zramctl">zramctl</primary>
|
---|
| 1201 | </indexterm>
|
---|
| 1202 | </listitem>
|
---|
| 1203 | </varlistentry>
|
---|
| 1204 |
|
---|
[cd82ee5] | 1205 | <varlistentry id="libblkid">
|
---|
| 1206 | <term><filename class="libraryfile">libblkid</filename></term>
|
---|
| 1207 | <listitem>
|
---|
| 1208 | <para>Contains routines for device identification and token
|
---|
| 1209 | extraction</para>
|
---|
[e1428f3] | 1210 | <indexterm zone="ch-system-util-linux libblkid">
|
---|
[cd82ee5] | 1211 | <primary sortas="c-libblkid">libblkid</primary>
|
---|
| 1212 | </indexterm>
|
---|
| 1213 | </listitem>
|
---|
| 1214 | </varlistentry>
|
---|
| 1215 |
|
---|
[eb8b1c5] | 1216 | <varlistentry id="libfdisk">
|
---|
| 1217 | <term><filename class="libraryfile">libfdisk</filename></term>
|
---|
| 1218 | <listitem>
|
---|
| 1219 | <para>Contains routines for manipulating partition tables</para>
|
---|
| 1220 | <indexterm zone="ch-system-util-linux libfdisk">
|
---|
| 1221 | <primary sortas="c-libfdisk">libfdisk</primary>
|
---|
| 1222 | </indexterm>
|
---|
| 1223 | </listitem>
|
---|
| 1224 | </varlistentry>
|
---|
| 1225 |
|
---|
[12d9bda6] | 1226 | <varlistentry id="libmount">
|
---|
| 1227 | <term><filename class="libraryfile">libmount</filename></term>
|
---|
| 1228 | <listitem>
|
---|
| 1229 | <para>Contains routines for block device mounting and
|
---|
| 1230 | unmounting</para>
|
---|
| 1231 | <indexterm zone="ch-system-util-linux libmount">
|
---|
| 1232 | <primary sortas="c-libmount">libmount</primary>
|
---|
| 1233 | </indexterm>
|
---|
| 1234 | </listitem>
|
---|
| 1235 | </varlistentry>
|
---|
| 1236 |
|
---|
[eb8b1c5] | 1237 | <varlistentry id="libsmartcols">
|
---|
| 1238 | <term><filename class="libraryfile">libsmartcols</filename></term>
|
---|
| 1239 | <listitem>
|
---|
| 1240 | <para>Contains routines for aiding screen output in tabular form</para>
|
---|
| 1241 | <indexterm zone="ch-system-util-linux libsmartcols">
|
---|
| 1242 | <primary sortas="c-libsmartcols">libsmartcols</primary>
|
---|
| 1243 | </indexterm>
|
---|
| 1244 | </listitem>
|
---|
| 1245 | </varlistentry>
|
---|
| 1246 |
|
---|
[cd82ee5] | 1247 | <varlistentry id="libuuid">
|
---|
| 1248 | <term><filename class="libraryfile">libuuid</filename></term>
|
---|
| 1249 | <listitem>
|
---|
| 1250 | <para>Contains routines for generating unique identifiers for objects
|
---|
| 1251 | that may be accessible beyond the local system</para>
|
---|
[e1428f3] | 1252 | <indexterm zone="ch-system-util-linux libuuid">
|
---|
[cd82ee5] | 1253 | <primary sortas="c-libuuid">libuuid</primary>
|
---|
| 1254 | </indexterm>
|
---|
| 1255 | </listitem>
|
---|
| 1256 | </varlistentry>
|
---|
| 1257 |
|
---|
[ddd5542] | 1258 | </variablelist>
|
---|
| 1259 |
|
---|
| 1260 | </sect2>
|
---|
[673b0d8] | 1261 |
|
---|
| 1262 | </sect1>
|
---|