| 1 | <?xml version="1.0" encoding="ISO-8859-1"?>
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| 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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| 4 | <!ENTITY % general-entities SYSTEM "../general.ent">
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| 5 | %general-entities;
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| 6 | ]>
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| 7 |
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| 8 | <sect1 id="ch-system-util-linux" role="wrap">
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| 9 | <?dbhtml filename="util-linux.html"?>
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| 10 |
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| 11 | <sect1info condition="script">
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| 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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| 15 | </sect1info>
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| 16 |
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| 17 | <title>Util-linux-&util-linux-version;</title>
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| 18 |
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| 19 | <indexterm zone="ch-system-util-linux">
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| 20 | <primary sortas="a-Util-linux">Util-linux</primary>
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| 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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| 26 | <para>The Util-linux package contains miscellaneous utility programs. Among
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| 27 | them are utilities for handling file systems, consoles, partitions, and
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| 28 | messages.</para>
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| 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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| 35 | <seg>&util-linux-ch6-sbu;</seg>
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| 36 | <seg>&util-linux-ch6-du;</seg>
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| 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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| 48 | location for the <filename>adjtime</filename> file. To make the
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| 49 | <command>hwclock</command> program FHS-compliant, run the
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| 50 | following:</para>
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| 51 |
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| 52 | <screen><userinput>sed -e 's@etc/adjtime@var/lib/hwclock/adjtime@g' \
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| 53 | -i $(grep -rl '/etc/adjtime' .)
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| 54 | mkdir -pv /var/lib/hwclock</userinput></screen>
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| 55 |
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| 56 | </sect2>
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| 57 |
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| 58 | <sect2 role="installation">
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| 59 | <title>Installation of Util-linux</title>
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| 60 |
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| 61 | <para>Util-linux fails to compile against newer versions of Linux kernel
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| 62 | headers. The following patches properly fix the problems:</para>
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| 63 |
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| 64 | <screen><userinput>patch -Np1 -i ../&util-linux-cramfs-patch;
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| 65 | patch -Np1 -i ../&util-linux-lseek-patch;</userinput></screen>
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| 66 |
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| 67 | <para>Prepare Util-linux for compilation:</para>
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| 68 |
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| 69 | <screen><userinput>./configure</userinput></screen>
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| 70 |
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| 71 | <para>Compile the package:</para>
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| 72 |
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| 73 | <screen><userinput>make HAVE_KILL=yes HAVE_SLN=yes</userinput></screen>
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| 74 |
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| 75 | <variablelist>
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| 76 | <title>The meaning of the make parameters:</title>
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| 77 |
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| 78 | <varlistentry>
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| 79 | <term><parameter>HAVE_KILL=yes</parameter></term>
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| 80 | <listitem>
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| 81 | <para>This prevents the <command>kill</command> program (already
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| 82 | installed by Procps) from being built and installed again.</para>
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| 83 | </listitem>
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| 84 | </varlistentry>
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| 85 |
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| 86 | <varlistentry>
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| 87 | <term><parameter>HAVE_SLN=yes</parameter></term>
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| 88 | <listitem>
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| 89 | <para>This prevents the <command>sln</command> program (a
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| 90 | statically linked version of <command>ln</command> already installed
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| 91 | by Glibc) from being built and installed again.</para>
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| 92 | </listitem>
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| 93 | </varlistentry>
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| 94 |
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| 95 | </variablelist>
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| 96 |
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| 97 | <para>This package does not come with a test suite.</para>
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| 98 |
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| 99 | <para>Install the package:</para>
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| 100 |
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| 101 | <screen><userinput>make HAVE_KILL=yes HAVE_SLN=yes install</userinput></screen>
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| 102 |
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| 103 | </sect2>
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| 104 |
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| 105 | <sect2 id="contents-utillinux" role="content">
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| 106 | <title>Contents of Util-linux</title>
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| 107 |
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| 108 | <segmentedlist>
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| 109 | <segtitle>Installed programs</segtitle>
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| 110 |
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| 111 | <seglistitem>
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| 112 | <seg>agetty, arch, blockdev, cal, cfdisk, chkdupexe, col, colcrt,
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| 113 | colrm, column, ctrlaltdel, cytune, ddate, dmesg, elvtune, fdformat,
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| 114 | fdisk, flock, fsck.cramfs, fsck.minix, getopt, hexdump, hwclock, ipcrm,
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| 115 | ipcs, isosize, line, logger, look, losetup, mcookie, mkfs, mkfs.bfs,
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| 116 | mkfs.cramfs, mkfs.minix, mkswap, more, mount, namei, pg, pivot_root,
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| 117 | ramsize (link to rdev), raw, rdev, readprofile, rename, renice, rev,
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| 118 | rootflags (link to rdev), script, setfdprm, setsid, setterm, sfdisk,
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| 119 | swapoff (link to swapon), swapon, tailf, tunelp, ul, umount,
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| 120 | vidmode (link to rdev), whereis, and write</seg>
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| 121 | </seglistitem>
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| 122 | </segmentedlist>
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| 123 |
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| 124 | <variablelist>
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| 125 | <bridgehead renderas="sect3">Short Descriptions</bridgehead>
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| 126 | <?dbfo list-presentation="list"?>
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| 127 | <?dbhtml list-presentation="table"?>
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| 128 |
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| 129 | <varlistentry id="agetty">
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| 130 | <term><command>agetty</command></term>
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| 131 | <listitem>
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| 132 | <para>Opens a tty port, prompts for a login name,
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| 133 | and then invokes the <command>login</command> program</para>
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| 134 | <indexterm zone="ch-system-util-linux agetty">
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| 135 | <primary sortas="b-agetty">agetty</primary>
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| 136 | </indexterm>
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| 137 | </listitem>
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| 138 | </varlistentry>
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| 139 |
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| 140 | <varlistentry id="arch">
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| 141 | <term><command>arch</command></term>
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| 142 | <listitem>
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| 143 | <para>Reports the machine's architecture</para>
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| 144 | <indexterm zone="ch-system-util-linux arch">
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| 145 | <primary sortas="b-arch">arch</primary>
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| 146 | </indexterm>
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| 147 | </listitem>
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| 148 | </varlistentry>
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| 149 |
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| 150 | <varlistentry id="blockdev">
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| 151 | <term><command>blockdev</command></term>
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| 152 | <listitem>
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| 153 | <para>Allows users to call block device ioctls from the command
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| 154 | line</para>
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| 155 | <indexterm zone="ch-system-util-linux blockdev">
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| 156 | <primary sortas="b-blockdev">blockdev</primary>
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| 157 | </indexterm>
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| 158 | </listitem>
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| 159 | </varlistentry>
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| 160 |
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| 161 | <varlistentry id="cal">
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| 162 | <term><command>cal</command></term>
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| 163 | <listitem>
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| 164 | <para>Displays a simple calendar</para>
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| 165 | <indexterm zone="ch-system-util-linux cal">
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| 166 | <primary sortas="b-cal">cal</primary>
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| 167 | </indexterm>
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| 168 | </listitem>
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| 169 | </varlistentry>
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| 170 |
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| 171 | <varlistentry id="cfdisk">
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| 172 | <term><command>cfdisk</command></term>
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| 173 | <listitem>
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| 174 | <para>Manipulates the partition table of the given device</para>
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| 175 | <indexterm zone="ch-system-util-linux cfdisk">
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| 176 | <primary sortas="b-cfdisk">cfdisk</primary>
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| 177 | </indexterm>
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| 178 | </listitem>
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| 179 | </varlistentry>
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| 180 |
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| 181 | <varlistentry id="chkdupexe">
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| 182 | <term><command>chkdupexe</command></term>
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| 183 | <listitem>
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| 184 | <para>Finds duplicate executables</para>
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| 185 | <indexterm zone="ch-system-util-linux chkdupexe">
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| 186 | <primary sortas="b-chkdupexe">chkdupexe</primary>
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| 187 | </indexterm>
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| 188 | </listitem>
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| 189 | </varlistentry>
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| 190 |
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| 191 | <varlistentry id="col">
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| 192 | <term><command>col</command></term>
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| 193 | <listitem>
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| 194 | <para>Filters out reverse line feeds</para>
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| 195 | <indexterm zone="ch-system-util-linux col">
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| 196 | <primary sortas="b-col">col</primary>
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| 197 | </indexterm>
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| 198 | </listitem>
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| 199 | </varlistentry>
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| 200 |
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| 201 | <varlistentry id="colcrt">
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| 202 | <term><command>colcrt</command></term>
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| 203 | <listitem>
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| 204 | <para>Filters <command>nroff</command> output for terminals
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| 205 | that lack some capabilities, such as overstriking and half-lines</para>
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| 206 | <indexterm zone="ch-system-util-linux colcrt">
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| 207 | <primary sortas="b-colcrt">colcrt</primary>
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| 208 | </indexterm>
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| 209 | </listitem>
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| 210 | </varlistentry>
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| 211 |
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| 212 | <varlistentry id="colrm">
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| 213 | <term><command>colrm</command></term>
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| 214 | <listitem>
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| 215 | <para>Filters out the given columns</para>
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| 216 | <indexterm zone="ch-system-util-linux colrm">
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| 217 | <primary sortas="b-colrm">colrm</primary>
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| 218 | </indexterm>
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| 219 | </listitem>
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| 220 | </varlistentry>
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| 221 |
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| 222 | <varlistentry id="column">
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| 223 | <term><command>column</command></term>
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| 224 | <listitem>
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| 225 | <para>Formats a given file into multiple columns</para>
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| 226 | <indexterm zone="ch-system-util-linux column">
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| 227 | <primary sortas="b-column">column</primary>
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| 228 | </indexterm>
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| 229 | </listitem>
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| 230 | </varlistentry>
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| 231 |
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| 232 | <varlistentry id="ctrlaltdel">
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| 233 | <term><command>ctrlaltdel</command></term>
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| 234 | <listitem>
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| 235 | <para>Sets the function of the Ctrl+Alt+Del key combination to a
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| 236 | hard or a soft reset</para>
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| 237 | <indexterm zone="ch-system-util-linux ctrlaltdel">
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| 238 | <primary sortas="b-ctrlaltdel">ctrlaltdel</primary>
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| 239 | </indexterm>
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| 240 | </listitem>
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| 241 | </varlistentry>
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| 242 |
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| 243 | <varlistentry id="cytune">
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| 244 | <term><command>cytune</command></term>
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| 245 | <listitem>
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| 246 | <para>Tunes the parameters of the serial line drivers for
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| 247 | Cyclades cards</para>
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| 248 | <indexterm zone="ch-system-util-linux cytune">
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| 249 | <primary sortas="b-cytune">cytune</primary>
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| 250 | </indexterm>
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| 251 | </listitem>
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| 252 | </varlistentry>
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| 253 |
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| 254 | <varlistentry id="ddate">
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| 255 | <term><command>ddate</command></term>
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| 256 | <listitem>
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| 257 | <para>Gives the Discordian date or converts the given Gregorian date
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| 258 | to a Discordian one</para>
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| 259 | <indexterm zone="ch-system-util-linux ddate">
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| 260 | <primary sortas="b-ddate">ddate</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="dmesg">
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| 266 | <term><command>dmesg</command></term>
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| 267 | <listitem>
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| 268 | <para>Dumps the kernel boot messages</para>
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| 269 | <indexterm zone="ch-system-util-linux dmesg">
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| 270 | <primary sortas="b-dmesg">dmesg</primary>
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| 271 | </indexterm>
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| 272 | </listitem>
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| 273 | </varlistentry>
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| 274 |
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| 275 | <varlistentry id="elvtune">
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| 276 | <term><command>elvtune</command></term>
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| 277 | <listitem>
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| 278 | <para>Tunes the performance and interactivity of a block
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| 279 | device</para>
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| 280 | <indexterm zone="ch-system-util-linux elvtune">
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| 281 | <primary sortas="b-elvtune">elvtune</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="fdformat">
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| 287 | <term><command>fdformat</command></term>
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| 288 | <listitem>
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| 289 | <para>Low-level formats a floppy disk</para>
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| 290 | <indexterm zone="ch-system-util-linux fdformat">
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| 291 | <primary sortas="b-fdformat">fdformat</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="fdisk">
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| 297 | <term><command>fdisk</command></term>
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| 298 | <listitem>
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| 299 | <para>Manipulates the paritition table of the given device</para>
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| 300 | <indexterm zone="ch-system-util-linux fdisk">
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| 301 | <primary sortas="b-fdisk">fdisk</primary>
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| 302 | </indexterm>
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| 303 | </listitem>
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| 304 | </varlistentry>
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| 305 |
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| 306 | <varlistentry id="flock">
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| 307 | <term><command>flock</command></term>
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| 308 | <listitem>
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| 309 | <para>Acquires a file lock and then executes a command with the lock
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| 310 | held</para>
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| 311 | <indexterm zone="ch-system-util-linux flock">
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| 312 | <primary sortas="b-flock">flock</primary>
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| 313 | </indexterm>
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| 314 | </listitem>
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| 315 | </varlistentry>
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| 316 |
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| 317 | <varlistentry id="fsck.cramfs">
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| 318 | <term><command>fsck.cramfs</command></term>
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| 319 | <listitem>
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| 320 | <para>Performs a consistency check on the Cramfs file system on the
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| 321 | given device</para>
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| 322 | <indexterm zone="ch-system-util-linux fsck.cramfs">
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| 323 | <primary sortas="b-fsck.cramfs">fsck.cramfs</primary>
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| 324 | </indexterm>
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| 325 | </listitem>
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| 326 | </varlistentry>
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| 327 |
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| 328 | <varlistentry id="fsck.minix">
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| 329 | <term><command>fsck.minix</command></term>
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| 330 | <listitem>
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| 331 | <para>Performs a consistency check on the Minix file system on the
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| 332 | given device</para>
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| 333 | <indexterm zone="ch-system-util-linux fsck.minix">
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| 334 | <primary sortas="b-fsck.minix">fsck.minix</primary>
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| 335 | </indexterm>
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| 336 | </listitem>
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| 337 | </varlistentry>
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| 338 |
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| 339 | <varlistentry id="getopt">
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| 340 | <term><command>getopt</command></term>
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| 341 | <listitem>
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| 342 | <para>Parses options in the given command line</para>
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| 343 | <indexterm zone="ch-system-util-linux getopt">
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| 344 | <primary sortas="b-getopt">getopt</primary>
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| 345 | </indexterm>
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| 346 | </listitem>
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| 347 | </varlistentry>
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| 348 |
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| 349 | <varlistentry id="hexdump">
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| 350 | <term><command>hexdump</command></term>
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| 351 | <listitem>
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| 352 | <para>Dumps the given file in hexadecimal or in another given
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| 353 | format</para>
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| 354 | <indexterm zone="ch-system-util-linux hexdump">
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| 355 | <primary sortas="b-hexdump">hexdump</primary>
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| 356 | </indexterm>
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| 357 | </listitem>
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| 358 | </varlistentry>
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| 359 |
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| 360 | <varlistentry id="hwclock">
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| 361 | <term><command>hwclock</command></term>
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|---|
| 362 | <listitem>
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| 363 | <para>Reads or sets the system's hardware clock, also called
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| 364 | the Real-Time Clock (RTC) or Basic Input-Output System (BIOS)
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| 365 | clock</para>
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| 366 | <indexterm zone="ch-system-util-linux hwclock">
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| 367 | <primary sortas="b-hwclock">hwclock</primary>
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| 368 | </indexterm>
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| 369 | </listitem>
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| 370 | </varlistentry>
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| 371 |
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| 372 | <varlistentry id="ipcrm">
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| 373 | <term><command>ipcrm</command></term>
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| 374 | <listitem>
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| 375 | <para>Removes the given Inter-Process Communication (IPC) resource</para>
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| 376 | <indexterm zone="ch-system-util-linux ipcrm">
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| 377 | <primary sortas="b-ipcrm">ipcrm</primary>
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| 378 | </indexterm>
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| 379 | </listitem>
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| 380 | </varlistentry>
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| 381 |
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| 382 | <varlistentry id="ipcs">
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| 383 | <term><command>ipcs</command></term>
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| 384 | <listitem>
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| 385 | <para>Provides IPC status information</para>
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| 386 | <indexterm zone="ch-system-util-linux ipcs">
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| 387 | <primary sortas="b-ipcs">ipcs</primary>
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| 388 | </indexterm>
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| 389 | </listitem>
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| 390 | </varlistentry>
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| 391 |
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| 392 | <varlistentry id="isosize">
|
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| 393 | <term><command>isosize</command></term>
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| 394 | <listitem>
|
|---|
| 395 | <para>Reports the size of an iso9660 file system</para>
|
|---|
| 396 | <indexterm zone="ch-system-util-linux isosize">
|
|---|
| 397 | <primary sortas="b-isosize">isosize</primary>
|
|---|
| 398 | </indexterm>
|
|---|
| 399 | </listitem>
|
|---|
| 400 | </varlistentry>
|
|---|
| 401 |
|
|---|
| 402 | <varlistentry id="line">
|
|---|
| 403 | <term><command>line</command></term>
|
|---|
| 404 | <listitem>
|
|---|
| 405 | <para>Copies a single line</para>
|
|---|
| 406 | <indexterm zone="ch-system-util-linux line">
|
|---|
| 407 | <primary sortas="b-line">line</primary>
|
|---|
| 408 | </indexterm>
|
|---|
| 409 | </listitem>
|
|---|
| 410 | </varlistentry>
|
|---|
| 411 |
|
|---|
| 412 | <varlistentry id="logger">
|
|---|
| 413 | <term><command>logger</command></term>
|
|---|
| 414 | <listitem>
|
|---|
| 415 | <para>Enters the given message into the system log</para>
|
|---|
| 416 | <indexterm zone="ch-system-util-linux logger">
|
|---|
| 417 | <primary sortas="b-logger">logger</primary>
|
|---|
| 418 | </indexterm>
|
|---|
| 419 | </listitem>
|
|---|
| 420 | </varlistentry>
|
|---|
| 421 |
|
|---|
| 422 | <varlistentry id="look">
|
|---|
| 423 | <term><command>look</command></term>
|
|---|
| 424 | <listitem>
|
|---|
| 425 | <para>Displays lines that begin with the given string</para>
|
|---|
| 426 | <indexterm zone="ch-system-util-linux look">
|
|---|
| 427 | <primary sortas="b-look">look</primary>
|
|---|
| 428 | </indexterm>
|
|---|
| 429 | </listitem>
|
|---|
| 430 | </varlistentry>
|
|---|
| 431 |
|
|---|
| 432 | <varlistentry id="losetup">
|
|---|
| 433 | <term><command>losetup</command></term>
|
|---|
| 434 | <listitem>
|
|---|
| 435 | <para>Sets up and controls loop devices</para>
|
|---|
| 436 | <indexterm zone="ch-system-util-linux losetup">
|
|---|
| 437 | <primary sortas="b-losetup">losetup</primary>
|
|---|
| 438 | </indexterm>
|
|---|
| 439 | </listitem>
|
|---|
| 440 | </varlistentry>
|
|---|
| 441 |
|
|---|
| 442 | <varlistentry id="mcookie">
|
|---|
| 443 | <term><command>mcookie</command></term>
|
|---|
| 444 | <listitem>
|
|---|
| 445 | <para>Generates magic cookies (128-bit random hexadecimal numbers) for
|
|---|
| 446 | <command>xauth</command></para>
|
|---|
| 447 | <indexterm zone="ch-system-util-linux mcookie">
|
|---|
| 448 | <primary sortas="b-mcookie">mcookie</primary>
|
|---|
| 449 | </indexterm>
|
|---|
| 450 | </listitem>
|
|---|
| 451 | </varlistentry>
|
|---|
| 452 |
|
|---|
| 453 | <varlistentry id="mkfs">
|
|---|
| 454 | <term><command>mkfs</command></term>
|
|---|
| 455 | <listitem>
|
|---|
| 456 | <para>Builds a file system on a device (usually a hard disk
|
|---|
| 457 | partition)</para>
|
|---|
| 458 | <indexterm zone="ch-system-util-linux mkfs">
|
|---|
| 459 | <primary sortas="b-mkfs">mkfs</primary>
|
|---|
| 460 | </indexterm>
|
|---|
| 461 | </listitem>
|
|---|
| 462 | </varlistentry>
|
|---|
| 463 |
|
|---|
| 464 | <varlistentry id="mkfs.bfs">
|
|---|
| 465 | <term><command>mkfs.bfs</command></term>
|
|---|
| 466 | <listitem>
|
|---|
| 467 | <para>Creates a Santa Cruz Operations (SCO) bfs file system</para>
|
|---|
| 468 | <indexterm zone="ch-system-util-linux mkfs.bfs">
|
|---|
| 469 | <primary sortas="b-mkfs.bfs">mkfs.bfs</primary>
|
|---|
| 470 | </indexterm>
|
|---|
| 471 | </listitem>
|
|---|
| 472 | </varlistentry>
|
|---|
| 473 |
|
|---|
| 474 | <varlistentry id="mkfs.cramfs">
|
|---|
| 475 | <term><command>mkfs.cramfs</command></term>
|
|---|
| 476 | <listitem>
|
|---|
| 477 | <para>Creates a cramfs file system</para>
|
|---|
| 478 | <indexterm zone="ch-system-util-linux mkfs.cramfs">
|
|---|
| 479 | <primary sortas="b-mkfs.cramfs">mkfs.cramfs</primary>
|
|---|
| 480 | </indexterm>
|
|---|
| 481 | </listitem>
|
|---|
| 482 | </varlistentry>
|
|---|
| 483 |
|
|---|
| 484 | <varlistentry id="mkfs.minix">
|
|---|
| 485 | <term><command>mkfs.minix</command></term>
|
|---|
| 486 | <listitem>
|
|---|
| 487 | <para>Creates a Minix file system</para>
|
|---|
| 488 | <indexterm zone="ch-system-util-linux mkfs.minix">
|
|---|
| 489 | <primary sortas="b-mkfs.minix">mkfs.minix</primary>
|
|---|
| 490 | </indexterm>
|
|---|
| 491 | </listitem>
|
|---|
| 492 | </varlistentry>
|
|---|
| 493 |
|
|---|
| 494 | <varlistentry id="mkswap">
|
|---|
| 495 | <term><command>mkswap</command></term>
|
|---|
| 496 | <listitem>
|
|---|
| 497 | <para>Initializes the given device or file to be used as a swap
|
|---|
| 498 | area</para>
|
|---|
| 499 | <indexterm zone="ch-system-util-linux mkswap">
|
|---|
| 500 | <primary sortas="b-mkswap">mkswap</primary>
|
|---|
| 501 | </indexterm>
|
|---|
| 502 | </listitem>
|
|---|
| 503 | </varlistentry>
|
|---|
| 504 |
|
|---|
| 505 | <varlistentry id="more">
|
|---|
| 506 | <term><command>more</command></term>
|
|---|
| 507 | <listitem>
|
|---|
| 508 | <para>A filter for paging through text one screen at a time</para>
|
|---|
| 509 | <indexterm zone="ch-system-util-linux more">
|
|---|
| 510 | <primary sortas="b-more">more</primary>
|
|---|
| 511 | </indexterm>
|
|---|
| 512 | </listitem>
|
|---|
| 513 | </varlistentry>
|
|---|
| 514 |
|
|---|
| 515 | <varlistentry id="mount">
|
|---|
| 516 | <term><command>mount</command></term>
|
|---|
| 517 | <listitem>
|
|---|
| 518 | <para>Attaches the file system on the given device to a specified
|
|---|
| 519 | directory in the file-system tree</para>
|
|---|
| 520 | <indexterm zone="ch-system-util-linux mount">
|
|---|
| 521 | <primary sortas="b-mount">mount</primary>
|
|---|
| 522 | </indexterm>
|
|---|
| 523 | </listitem>
|
|---|
| 524 | </varlistentry>
|
|---|
| 525 |
|
|---|
| 526 | <varlistentry id="namei">
|
|---|
| 527 | <term><command>namei</command></term>
|
|---|
| 528 | <listitem>
|
|---|
| 529 | <para>Shows the symbolic links in the given pathnames</para>
|
|---|
| 530 | <indexterm zone="ch-system-util-linux namei">
|
|---|
| 531 | <primary sortas="b-namei">namei</primary>
|
|---|
| 532 | </indexterm>
|
|---|
| 533 | </listitem>
|
|---|
| 534 | </varlistentry>
|
|---|
| 535 |
|
|---|
| 536 | <varlistentry id="pg">
|
|---|
| 537 | <term><command>pg</command></term>
|
|---|
| 538 | <listitem>
|
|---|
| 539 | <para>Displays a text file one screen full at a time</para>
|
|---|
| 540 | <indexterm zone="ch-system-util-linux pg">
|
|---|
| 541 | <primary sortas="b-pg">pg</primary>
|
|---|
| 542 | </indexterm>
|
|---|
| 543 | </listitem>
|
|---|
| 544 | </varlistentry>
|
|---|
| 545 |
|
|---|
| 546 | <varlistentry id="pivot_root">
|
|---|
| 547 | <term><command>pivot_root</command></term>
|
|---|
| 548 | <listitem>
|
|---|
| 549 | <para>Makes the given file system the new root file system of the
|
|---|
| 550 | current process</para>
|
|---|
| 551 | <indexterm zone="ch-system-util-linux pivot_root">
|
|---|
| 552 | <primary sortas="b-pivot_root">pivot_root</primary>
|
|---|
| 553 | </indexterm>
|
|---|
| 554 | </listitem>
|
|---|
| 555 | </varlistentry>
|
|---|
| 556 |
|
|---|
| 557 | <varlistentry id="ramsize">
|
|---|
| 558 | <term><command>ramsize</command></term>
|
|---|
| 559 | <listitem>
|
|---|
| 560 | <para>Sets the size of the RAM disk in a bootable image</para>
|
|---|
| 561 | <indexterm zone="ch-system-util-linux ramsize">
|
|---|
| 562 | <primary sortas="b-ramsize">ramsize</primary>
|
|---|
| 563 | </indexterm>
|
|---|
| 564 | </listitem>
|
|---|
| 565 | </varlistentry>
|
|---|
| 566 |
|
|---|
| 567 | <varlistentry id="raw">
|
|---|
| 568 | <term><command>raw</command></term>
|
|---|
| 569 | <listitem>
|
|---|
| 570 | <para>Used to bind a Linux raw character device to a block
|
|---|
| 571 | device</para>
|
|---|
| 572 | <indexterm zone="ch-system-util-linux raw">
|
|---|
| 573 | <primary sortas="b-raw">raw</primary>
|
|---|
| 574 | </indexterm>
|
|---|
| 575 | </listitem>
|
|---|
| 576 | </varlistentry>
|
|---|
| 577 |
|
|---|
| 578 | <varlistentry id="rdev">
|
|---|
| 579 | <term><command>rdev</command></term>
|
|---|
| 580 | <listitem>
|
|---|
| 581 | <para>Queries and sets the root device, among other things, in a
|
|---|
| 582 | bootable image</para>
|
|---|
| 583 | <indexterm zone="ch-system-util-linux rdev">
|
|---|
| 584 | <primary sortas="b-rdev">rdev</primary>
|
|---|
| 585 | </indexterm>
|
|---|
| 586 | </listitem>
|
|---|
| 587 | </varlistentry>
|
|---|
| 588 |
|
|---|
| 589 | <varlistentry id="readprofile">
|
|---|
| 590 | <term><command>readprofile</command></term>
|
|---|
| 591 | <listitem>
|
|---|
| 592 | <para>Reads kernel profiling information</para>
|
|---|
| 593 | <indexterm zone="ch-system-util-linux readprofile">
|
|---|
| 594 | <primary sortas="b-readprofile">readprofile</primary>
|
|---|
| 595 | </indexterm>
|
|---|
| 596 | </listitem>
|
|---|
| 597 | </varlistentry>
|
|---|
| 598 |
|
|---|
| 599 | <varlistentry id="rename">
|
|---|
| 600 | <term><command>rename</command></term>
|
|---|
| 601 | <listitem>
|
|---|
| 602 | <para>Renames the given files, replacing a given string with
|
|---|
| 603 | another</para>
|
|---|
| 604 | <indexterm zone="ch-system-util-linux rename">
|
|---|
| 605 | <primary sortas="b-rename">rename</primary>
|
|---|
| 606 | </indexterm>
|
|---|
| 607 | </listitem>
|
|---|
| 608 | </varlistentry>
|
|---|
| 609 |
|
|---|
| 610 | <varlistentry id="renice">
|
|---|
| 611 | <term><command>renice</command></term>
|
|---|
| 612 | <listitem>
|
|---|
| 613 | <para>Alters the priority of running processes</para>
|
|---|
| 614 | <indexterm zone="ch-system-util-linux renice">
|
|---|
| 615 | <primary sortas="b-renice">renice</primary>
|
|---|
| 616 | </indexterm>
|
|---|
| 617 | </listitem>
|
|---|
| 618 | </varlistentry>
|
|---|
| 619 |
|
|---|
| 620 | <varlistentry id="rev">
|
|---|
| 621 | <term><command>rev</command></term>
|
|---|
| 622 | <listitem>
|
|---|
| 623 | <para>Reverses the lines of a given file</para>
|
|---|
| 624 | <indexterm zone="ch-system-util-linux rev">
|
|---|
| 625 | <primary sortas="b-rev">rev</primary>
|
|---|
| 626 | </indexterm>
|
|---|
| 627 | </listitem>
|
|---|
| 628 | </varlistentry>
|
|---|
| 629 |
|
|---|
| 630 | <varlistentry id="rootflags">
|
|---|
| 631 | <term><command>rootflags</command></term>
|
|---|
| 632 | <listitem>
|
|---|
| 633 | <para>Sets the rootflags in a bootable image</para>
|
|---|
| 634 | <indexterm zone="ch-system-util-linux rootflags">
|
|---|
| 635 | <primary sortas="b-rootflags">rootflags</primary>
|
|---|
| 636 | </indexterm>
|
|---|
| 637 | </listitem>
|
|---|
| 638 | </varlistentry>
|
|---|
| 639 |
|
|---|
| 640 | <varlistentry id="script">
|
|---|
| 641 | <term><command>script</command></term>
|
|---|
| 642 | <listitem>
|
|---|
| 643 | <para>Makes a typescript of a terminal session</para>
|
|---|
| 644 | <indexterm zone="ch-system-util-linux script">
|
|---|
| 645 | <primary sortas="b-script">script</primary>
|
|---|
| 646 | </indexterm>
|
|---|
| 647 | </listitem>
|
|---|
| 648 | </varlistentry>
|
|---|
| 649 |
|
|---|
| 650 | <varlistentry id="setfdprm">
|
|---|
| 651 | <term><command>setfdprm</command></term>
|
|---|
| 652 | <listitem>
|
|---|
| 653 | <para>Sets user-provided floppy disk parameters</para>
|
|---|
| 654 | <indexterm zone="ch-system-util-linux setfdprm">
|
|---|
| 655 | <primary sortas="b-setfdprm">setfdprm</primary>
|
|---|
| 656 | </indexterm>
|
|---|
| 657 | </listitem>
|
|---|
| 658 | </varlistentry>
|
|---|
| 659 |
|
|---|
| 660 | <varlistentry id="setsid">
|
|---|
| 661 | <term><command>setsid</command></term>
|
|---|
| 662 | <listitem>
|
|---|
| 663 | <para>Runs the given program in a new session</para>
|
|---|
| 664 | <indexterm zone="ch-system-util-linux setsid">
|
|---|
| 665 | <primary sortas="b-setsid">setsid</primary>
|
|---|
| 666 | </indexterm>
|
|---|
| 667 | </listitem>
|
|---|
| 668 | </varlistentry>
|
|---|
| 669 |
|
|---|
| 670 | <varlistentry id="setterm">
|
|---|
| 671 | <term><command>setterm</command></term>
|
|---|
| 672 | <listitem>
|
|---|
| 673 | <para>Sets terminal attributes</para>
|
|---|
| 674 | <indexterm zone="ch-system-util-linux setterm">
|
|---|
| 675 | <primary sortas="b-setterm">setterm</primary>
|
|---|
| 676 | </indexterm>
|
|---|
| 677 | </listitem>
|
|---|
| 678 | </varlistentry>
|
|---|
| 679 |
|
|---|
| 680 | <varlistentry id="sfdisk">
|
|---|
| 681 | <term><command>sfdisk</command></term>
|
|---|
| 682 | <listitem>
|
|---|
| 683 | <para>A disk partition table manipulator</para>
|
|---|
| 684 | <indexterm zone="ch-system-util-linux sfdisk">
|
|---|
| 685 | <primary sortas="b-sfdisk">sfdisk</primary>
|
|---|
| 686 | </indexterm>
|
|---|
| 687 | </listitem>
|
|---|
| 688 | </varlistentry>
|
|---|
| 689 |
|
|---|
| 690 | <varlistentry id="swapoff">
|
|---|
| 691 | <term><command>swapoff</command></term>
|
|---|
| 692 | <listitem>
|
|---|
| 693 | <para>Disables devices and files for paging and swapping</para>
|
|---|
| 694 | <indexterm zone="ch-system-util-linux swapoff">
|
|---|
| 695 | <primary sortas="b-swapoff">swapoff</primary>
|
|---|
| 696 | </indexterm>
|
|---|
| 697 | </listitem>
|
|---|
| 698 | </varlistentry>
|
|---|
| 699 |
|
|---|
| 700 | <varlistentry id="swapon">
|
|---|
| 701 | <term><command>swapon</command></term>
|
|---|
| 702 | <listitem>
|
|---|
| 703 | <para>Enables devices and files for paging and swapping and
|
|---|
| 704 | lists the devices and files currently in use</para>
|
|---|
| 705 | <indexterm zone="ch-system-util-linux swapon">
|
|---|
| 706 | <primary sortas="b-swapon">swapon</primary>
|
|---|
| 707 | </indexterm>
|
|---|
| 708 | </listitem>
|
|---|
| 709 | </varlistentry>
|
|---|
| 710 |
|
|---|
| 711 | <varlistentry id="tailf">
|
|---|
| 712 | <term><command>tailf</command></term>
|
|---|
| 713 | <listitem>
|
|---|
| 714 | <para>Tracks the growth of a log file. Displays the last 10 lines
|
|---|
| 715 | of a log file, then continues displaying any new entries in the
|
|---|
| 716 | log file as they are created</para>
|
|---|
| 717 | <indexterm zone="ch-system-util-linux tailf">
|
|---|
| 718 | <primary sortas="b-tailf">tailf</primary>
|
|---|
| 719 | </indexterm>
|
|---|
| 720 | </listitem>
|
|---|
| 721 | </varlistentry>
|
|---|
| 722 |
|
|---|
| 723 | <varlistentry id="tunelp">
|
|---|
| 724 | <term><command>tunelp</command></term>
|
|---|
| 725 | <listitem>
|
|---|
| 726 | <para>Tunes the parameters of the line printer</para>
|
|---|
| 727 | <indexterm zone="ch-system-util-linux tunelp">
|
|---|
| 728 | <primary sortas="b-tunelp">tunelp</primary>
|
|---|
| 729 | </indexterm>
|
|---|
| 730 | </listitem>
|
|---|
| 731 | </varlistentry>
|
|---|
| 732 |
|
|---|
| 733 | <varlistentry id="ul">
|
|---|
| 734 | <term><command>ul</command></term>
|
|---|
| 735 | <listitem>
|
|---|
| 736 | <para>A filter for translating underscores into escape sequences
|
|---|
| 737 | indicating underlining for the terminal in use</para>
|
|---|
| 738 | <indexterm zone="ch-system-util-linux ul">
|
|---|
| 739 | <primary sortas="b-ul">ul</primary>
|
|---|
| 740 | </indexterm>
|
|---|
| 741 | </listitem>
|
|---|
| 742 | </varlistentry>
|
|---|
| 743 |
|
|---|
| 744 | <varlistentry id="umount">
|
|---|
| 745 | <term><command>umount</command></term>
|
|---|
| 746 | <listitem>
|
|---|
| 747 | <para>Disconnects a file system from the system's file tree</para>
|
|---|
| 748 | <indexterm zone="ch-system-util-linux umount">
|
|---|
| 749 | <primary sortas="b-umount">umount</primary>
|
|---|
| 750 | </indexterm>
|
|---|
| 751 | </listitem>
|
|---|
| 752 | </varlistentry>
|
|---|
| 753 |
|
|---|
| 754 | <varlistentry id="vidmode">
|
|---|
| 755 | <term><command>vidmode</command></term>
|
|---|
| 756 | <listitem>
|
|---|
| 757 | <para>Sets the video mode in a bootable image</para>
|
|---|
| 758 | <indexterm zone="ch-system-util-linux vidmode">
|
|---|
| 759 | <primary sortas="b-vidmode">vidmode</primary>
|
|---|
| 760 | </indexterm>
|
|---|
| 761 | </listitem>
|
|---|
| 762 | </varlistentry>
|
|---|
| 763 |
|
|---|
| 764 | <varlistentry id="whereis">
|
|---|
| 765 | <term><command>whereis</command></term>
|
|---|
| 766 | <listitem>
|
|---|
| 767 | <para>Reports the location of the binary, source, and man page
|
|---|
| 768 | for the given command</para>
|
|---|
| 769 | <indexterm zone="ch-system-util-linux whereis">
|
|---|
| 770 | <primary sortas="b-whereis">whereis</primary>
|
|---|
| 771 | </indexterm>
|
|---|
| 772 | </listitem>
|
|---|
| 773 | </varlistentry>
|
|---|
| 774 |
|
|---|
| 775 | <varlistentry id="write">
|
|---|
| 776 | <term><command>write</command></term>
|
|---|
| 777 | <listitem>
|
|---|
| 778 | <para>Sends a message to the given user <emphasis>if</emphasis> that
|
|---|
| 779 | user has not disabled receipt of such messages</para>
|
|---|
| 780 | <indexterm zone="ch-system-util-linux write">
|
|---|
| 781 | <primary sortas="b-write">write</primary>
|
|---|
| 782 | </indexterm>
|
|---|
| 783 | </listitem>
|
|---|
| 784 | </varlistentry>
|
|---|
| 785 |
|
|---|
| 786 | </variablelist>
|
|---|
| 787 |
|
|---|
| 788 | </sect2>
|
|---|
| 789 |
|
|---|
| 790 | </sect1>
|
|---|
