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