| 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 |   <title>Util-linux-&util-linux-version;</title>
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| 12 | 
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| 13 |   <indexterm zone="ch-system-util-linux">
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| 14 |     <primary sortas="a-Util-linux">Util-linux</primary>
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| 15 |   </indexterm>
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| 16 | 
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| 17 |   <sect2 role="package">
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| 18 |     <title/>
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| 19 | 
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| 20 |     <para>The Util-linux package contains miscellaneous utility programs.
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| 21 |     Among them are utilities for handling file systems, consoles, partitions,
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| 22 |     and messages.</para>
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| 23 | 
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| 24 |   </sect2>
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| 25 | 
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| 26 |   <sect2 id="fhs-util-linux" role="installation">
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| 27 |     <title>FHS compliance notes</title>
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| 28 | 
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| 29 |     <para>The FHS recommends using the <filename
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| 30 |     class="directory">/var/lib/hwclock</filename> directory instead of the
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| 31 |     usual <filename class="directory">/etc</filename> directory as the
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| 32 |     location for the <filename>adjtime</filename> file. To make the
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| 33 |     <command>hwclock</command> program FHS-compliant, run the following:</para>
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| 34 | 
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| 35 | <screen><userinput>sed -i 's@etc/adjtime@var/lib/hwclock/adjtime@g' \
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| 36 |     hwclock/hwclock.c
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| 37 | mkdir -pv /var/lib/hwclock</userinput></screen>
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| 38 | 
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| 39 |   </sect2>
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| 40 | 
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| 41 |   <sect2 role="installation">
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| 42 |     <title>Installation of Util-linux</title>
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| 43 | 
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| 44 |     <para os="a">Prepare Util-linux for compilation:</para>
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| 45 | 
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| 46 | <screen os="b"><userinput>./configure --enable-arch \
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| 47 |     --enable-partx --enable-write --disable-wall</userinput></screen>
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| 48 | 
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| 49 |     <variablelist os="c">
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| 50 |       <title>The meaning of the configure options:</title>
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| 51 | 
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| 52 |       <varlistentry>
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| 53 |         <term><parameter>--enable-arch</parameter></term>
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| 54 |         <listitem>
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| 55 |           <para>This option allows the <command>arch</command> program to be
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| 56 |           installed.</para>
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| 57 |         </listitem>
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| 58 |       </varlistentry>
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| 59 | 
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| 60 |       <varlistentry>
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| 61 |         <term><parameter>--enable-partx</parameter></term>
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| 62 |         <listitem>
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| 63 |           <para>Enables building the <command>addpart</command>, <command>delpart</command>,
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| 64 |            <command>partx</command> programs.</para>
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| 65 |         </listitem>
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| 66 |       </varlistentry>
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| 67 | 
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| 68 |       <varlistentry>
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| 69 |         <term><parameter>--enable-write</parameter></term>
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| 70 |         <listitem>
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| 71 |           <para>This option allows the <command>write</command> program to be
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| 72 |           installed.</para>
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| 73 |         </listitem>
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| 74 |       </varlistentry>
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| 75 | 
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| 76 |       <varlistentry>
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| 77 |         <term><parameter>--disable-wall</parameter></term>
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| 78 |         <listitem>
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| 79 |           <para>Disables building the <command>wall</command> program,
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| 80 |           as the Sysvinit package installs its own version.</para>
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| 81 |         </listitem>
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| 82 |       </varlistentry>
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| 83 | 
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| 84 |     </variablelist>
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| 85 | 
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| 86 |     <para os="d">Compile the package:</para>
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| 87 | 
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| 88 | <screen os="e"><userinput>make</userinput></screen>
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| 89 | 
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| 90 |     <para os="f">This package does not come with a test suite.</para>
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| 91 | 
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| 92 |     <para os="g">Install the package:</para>
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| 93 | 
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| 94 | <screen os="h"><userinput>make install</userinput></screen>
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| 95 | 
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| 96 |     <para os="i">Move the <command>logger</command> binary to
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| 97 |     <filename class="directory">/bin</filename> as it is needed by the
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| 98 |     CLFS-Bootscripts package:</para>
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| 99 | 
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| 100 | <screen os="j"><userinput>mv -v /usr/bin/logger /bin</userinput></screen>
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| 101 | 
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| 102 |   </sect2>
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| 103 | 
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| 104 |   <sect2 id="contents-util-linux" role="content">
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| 105 |     <title>Contents of Util-linux</title>
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| 106 | 
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| 107 |     <segmentedlist>
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| 108 |       <segtitle>Installed programs</segtitle>
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| 109 |       <segtitle>Installed libraries</segtitle>
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| 110 |       <segtitle>Installed directories</segtitle>
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| 111 | 
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| 112 |       <seglistitem>
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| 113 |         <seg>addpart, agetty, arch, blkid, blockdev, cal, cfdisk, chkdupexe,
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| 114 |         chrt, col, colcrt, colrm, column, ctrlaltdel, cytune, ddate, delpart,
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| 115 |         dmesg, fdformat, fdisk, findfs, flock, fsck, fsck.cramfs, fsck.minix,
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| 116 |         getopt, hexdump, hwclock, ionice, ipcmk, ipcrm, ipcs, isosize,
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| 117 |         ldattach, line, logger, look, losetup, lscpu, mcookie, mkfs, mkfs.bfs,
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| 118 |         mkfs.cramfs, mkfs.minix, mkswap, more, mount, namei, partx, pg,
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| 119 |         pivot_root, readprofile, rename, renice, rev, rtcwake, script,
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| 120 |         scriptreplay, setarch, setsid, setterm, sfdisk, swapoff (link to
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| 121 |         swapon), swapon, switch_root, tailf, taskset, tunelp, ul, umount,
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| 122 |         uuidd, uuidgen, whereis, and write</seg>
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| 123 |         <seg>libblkid.[a,so] and libuuid.[a,so]</seg>
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| 124 |         <seg>/usr/include/blkid, /usr/include/uuid, /usr/share/getopt,
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| 125 |         /var/lib/hwclock</seg>
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| 126 |       </seglistitem>
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| 127 |     </segmentedlist>
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| 128 | 
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| 129 |     <variablelist>
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| 130 |       <bridgehead renderas="sect3">Short Descriptions</bridgehead>
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| 131 |       <?dbfo list-presentation="list"?>
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| 132 |       <?dbhtml list-presentation="table"?>
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| 133 | 
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| 134 |       <varlistentry id="addpart">
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| 135 |         <term><command>addpart</command></term>
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| 136 |         <listitem>
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| 137 |           <para>Informs the kernel of a new partition</para>
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| 138 |           <indexterm zone="ch-system-util-linux addpart">
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| 139 |             <primary sortas="b-addpart">addpart</primary>
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| 140 |           </indexterm>
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| 141 |         </listitem>
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| 142 |       </varlistentry>
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| 143 | 
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| 144 |       <varlistentry id="agetty">
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| 145 |         <term><command>agetty</command></term>
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| 146 |         <listitem>
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| 147 |           <para>Opens a tty port, prompts for a login name,
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| 148 |           and then invokes the <command>login</command> program</para>
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| 149 |           <indexterm zone="ch-system-util-linux agetty">
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| 150 |             <primary sortas="b-agetty">agetty</primary>
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| 151 |           </indexterm>
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| 152 |         </listitem>
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| 153 |       </varlistentry>
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| 154 | 
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| 155 |       <varlistentry id="arch">
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| 156 |         <term><command>arch</command></term>
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| 157 |         <listitem>
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| 158 |           <para>Reports the machine's architecture</para>
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| 159 |           <indexterm zone="ch-system-util-linux arch">
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| 160 |             <primary sortas="b-arch">arch</primary>
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| 161 |           </indexterm>
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| 162 |         </listitem>
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| 163 |       </varlistentry>
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| 164 | 
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| 165 |       <varlistentry id="blkid">
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| 166 |         <term><command>blkid</command></term>
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| 167 |         <listitem>
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| 168 |           <para>A command line utility to locate and print block device
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| 169 |           attributes</para>
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| 170 |           <indexterm zone="ch-system-util-linux blkid">
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| 171 |             <primary sortas="b-blkid">blkid</primary>
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| 172 |           </indexterm>
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| 173 |         </listitem>
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| 174 |       </varlistentry>
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| 175 | 
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| 176 |       <varlistentry id="blockdev">
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| 177 |         <term><command>blockdev</command></term>
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| 178 |         <listitem>
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| 179 |           <para>Allows users to call block device ioctls from the command
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| 180 |           line</para>
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| 181 |           <indexterm zone="ch-system-util-linux blockdev">
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| 182 |             <primary sortas="b-blockdev">blockdev</primary>
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| 183 |           </indexterm>
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| 184 |         </listitem>
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| 185 |       </varlistentry>
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| 186 | 
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| 187 |       <varlistentry id="cal">
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| 188 |         <term><command>cal</command></term>
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| 189 |         <listitem>
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| 190 |           <para>Displays a simple calendar</para>
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| 191 |           <indexterm zone="ch-system-util-linux cal">
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| 192 |             <primary sortas="b-cal">cal</primary>
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| 193 |           </indexterm>
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| 194 |         </listitem>
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| 195 |       </varlistentry>
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| 196 | 
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| 197 |       <varlistentry id="cfdisk">
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| 198 |         <term><command>cfdisk</command></term>
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| 199 |         <listitem>
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| 200 |           <para>Manipulates the partition table of the given device</para>
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| 201 |           <indexterm zone="ch-system-util-linux cfdisk">
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| 202 |             <primary sortas="b-cfdisk">cfdisk</primary>
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| 203 |           </indexterm>
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| 204 |         </listitem>
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| 205 |       </varlistentry>
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| 206 | 
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| 207 |       <varlistentry id="chkdupexe">
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| 208 |         <term><command>chkdupexe</command></term>
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| 209 |         <listitem>
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| 210 |           <para>Finds duplicate executables</para>
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| 211 |           <indexterm zone="ch-system-util-linux chkdupexe">
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| 212 |             <primary sortas="b-chkdupexe">chkdupexe</primary>
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| 213 |           </indexterm>
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| 214 |         </listitem>
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| 215 |       </varlistentry>
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| 216 | 
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| 217 |       <varlistentry id="chrt">
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| 218 |         <term><command>chrt</command></term>
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| 219 |         <listitem>
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| 220 |           <para>Manipulates real-time attributes of a process</para>
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| 221 |           <indexterm zone="ch-system-util-linux chrt">
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| 222 |             <primary sortas="b-chrt">chrt</primary>
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| 223 |           </indexterm>
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| 224 |         </listitem>
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| 225 |       </varlistentry>
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| 226 | 
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| 227 |       <varlistentry id="col">
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| 228 |         <term><command>col</command></term>
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| 229 |         <listitem>
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| 230 |           <para>Filters out reverse line feeds</para>
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| 231 |           <indexterm zone="ch-system-util-linux col">
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| 232 |             <primary sortas="b-col">col</primary>
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| 233 |           </indexterm>
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| 234 |         </listitem>
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| 235 |       </varlistentry>
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| 236 | 
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| 237 |       <varlistentry id="colcrt">
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| 238 |         <term><command>colcrt</command></term>
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| 239 |         <listitem>
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| 240 |           <para>Filters <command>nroff</command> output for terminals
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| 241 |           that lack some capabilities, such as overstriking and half-lines</para>
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| 242 |           <indexterm zone="ch-system-util-linux colcrt">
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| 243 |             <primary sortas="b-colcrt">colcrt</primary>
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| 244 |           </indexterm>
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| 245 |         </listitem>
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| 246 |       </varlistentry>
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| 247 | 
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| 248 |       <varlistentry id="colrm">
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| 249 |         <term><command>colrm</command></term>
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| 250 |         <listitem>
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| 251 |           <para>Filters out the given columns</para>
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| 252 |           <indexterm zone="ch-system-util-linux colrm">
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| 253 |             <primary sortas="b-colrm">colrm</primary>
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| 254 |           </indexterm>
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| 255 |         </listitem>
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| 256 |       </varlistentry>
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| 257 | 
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| 258 |       <varlistentry id="column">
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| 259 |         <term><command>column</command></term>
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| 260 |         <listitem>
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| 261 |           <para>Formats a given file into multiple columns</para>
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| 262 |           <indexterm zone="ch-system-util-linux column">
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| 263 |             <primary sortas="b-column">column</primary>
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| 264 |           </indexterm>
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| 265 |         </listitem>
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| 266 |       </varlistentry>
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| 267 | 
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| 268 |       <varlistentry id="ctrlaltdel">
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| 269 |         <term><command>ctrlaltdel</command></term>
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| 270 |         <listitem>
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| 271 |           <para>Sets the function of the Ctrl+Alt+Del key combination to a
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| 272 |           hard or a soft reset</para>
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| 273 |           <indexterm zone="ch-system-util-linux ctrlaltdel">
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| 274 |             <primary sortas="b-ctrlaltdel">ctrlaltdel</primary>
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| 275 |           </indexterm>
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| 276 |         </listitem>
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| 277 |       </varlistentry>
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| 278 | 
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| 279 |       <varlistentry id="cytune">
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| 280 |         <term><command>cytune</command></term>
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| 281 |         <listitem>
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| 282 |           <para>Tunes the parameters of the serial line drivers for
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| 283 |           Cyclades cards</para>
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| 284 |           <indexterm zone="ch-system-util-linux cytune">
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| 285 |             <primary sortas="b-cytune">cytune</primary>
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| 286 |           </indexterm>
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| 287 |         </listitem>
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| 288 |       </varlistentry>
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| 289 | 
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| 290 |       <varlistentry id="ddate">
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| 291 |         <term><command>ddate</command></term>
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| 292 |         <listitem>
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| 293 |           <para>Gives the Discordian date or converts the given Gregorian date
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| 294 |           to a Discordian one</para>
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| 295 |           <indexterm zone="ch-system-util-linux ddate">
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| 296 |             <primary sortas="b-ddate">ddate</primary>
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| 297 |           </indexterm>
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| 298 |         </listitem>
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| 299 |       </varlistentry>
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| 300 | 
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| 301 |       <varlistentry id="delpart">
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| 302 |         <term><command>delpart</command></term>
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| 303 |         <listitem>
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| 304 |           <para>Asks the kernel to remove a partition</para>
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| 305 |           <indexterm zone="ch-system-util-linux delpart">
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| 306 |             <primary sortas="b-delpart">delpart</primary>
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| 307 |           </indexterm>
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| 308 |         </listitem>
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| 309 |       </varlistentry>
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| 310 | 
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| 311 |       <varlistentry id="dmesg">
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| 312 |         <term><command>dmesg</command></term>
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| 313 |         <listitem>
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| 314 |           <para>Dumps the kernel boot messages</para>
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| 315 |           <indexterm zone="ch-system-util-linux dmesg">
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| 316 |             <primary sortas="b-dmesg">dmesg</primary>
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| 317 |           </indexterm>
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| 318 |         </listitem>
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| 319 |       </varlistentry>
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| 320 | 
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| 321 |       <varlistentry id="fdformat">
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| 322 |         <term><command>fdformat</command></term>
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| 323 |         <listitem>
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| 324 |           <para>Low-level formats a floppy disk</para>
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| 325 |           <indexterm zone="ch-system-util-linux fdformat">
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| 326 |             <primary sortas="b-fdformat">fdformat</primary>
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| 327 |           </indexterm>
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| 328 |         </listitem>
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| 329 |       </varlistentry>
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| 330 | 
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| 331 |       <varlistentry id="fdisk">
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| 332 |         <term><command>fdisk</command></term>
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| 333 |         <listitem>
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| 334 |           <para>Manipulates the partition table of the given device</para>
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| 335 |           <indexterm zone="ch-system-util-linux fdisk">
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| 336 |             <primary sortas="b-fdisk">fdisk</primary>
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| 337 |           </indexterm>
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| 338 |         </listitem>
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| 339 |       </varlistentry>
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| 340 | 
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| 341 |       <varlistentry id="findfs">
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| 342 |         <term><command>findfs</command></term>
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| 343 |         <listitem>
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| 344 |           <para>Finds a file system by label or Universally Unique Identifier
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| 345 |           (UUID)</para>
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| 346 |           <indexterm zone="ch-system-util-linux findfs">
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| 347 |             <primary sortas="b-findfs">findfs</primary>
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| 348 |           </indexterm>
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| 349 |         </listitem>
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| 350 |       </varlistentry>
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| 351 | 
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| 352 |       <varlistentry id="flock">
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| 353 |         <term><command>flock</command></term>
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| 354 |         <listitem>
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| 355 |           <para>Acquires a file lock and then executes a command with the lock
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| 356 |           held</para>
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| 357 |           <indexterm zone="ch-system-util-linux flock">
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| 358 |             <primary sortas="b-flock">flock</primary>
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| 359 |           </indexterm>
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| 360 |         </listitem>
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| 361 |       </varlistentry>
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| 362 | 
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| 363 |       <varlistentry id="fsck">
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| 364 |         <term><command>fsck</command></term>
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| 365 |         <listitem>
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| 366 |           <para>Is used to check, and optionally repair, file systems</para>
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| 367 |           <indexterm zone="ch-system-util-linux fsck">
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| 368 |             <primary sortas="b-fsck">fsck</primary>
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| 369 |           </indexterm>
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| 370 |         </listitem>
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| 371 |       </varlistentry>
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| 372 | 
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| 373 |       <varlistentry id="fsck.cramfs">
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| 374 |         <term><command>fsck.cramfs</command></term>
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| 375 |         <listitem>
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| 376 |           <para>Performs a consistency check on the Cramfs file system on the
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| 377 |           given device</para>
 | 
|---|
| 378 |           <indexterm zone="ch-system-util-linux fsck.cramfs">
 | 
|---|
| 379 |             <primary sortas="b-fsck.cramfs">fsck.cramfs</primary>
 | 
|---|
| 380 |           </indexterm>
 | 
|---|
| 381 |         </listitem>
 | 
|---|
| 382 |       </varlistentry>
 | 
|---|
| 383 | 
 | 
|---|
| 384 |       <varlistentry id="fsck.minix">
 | 
|---|
| 385 |         <term><command>fsck.minix</command></term>
 | 
|---|
| 386 |         <listitem>
 | 
|---|
| 387 |           <para>Performs a consistency check on the Minix file system on the
 | 
|---|
| 388 |           given device</para>
 | 
|---|
| 389 |           <indexterm zone="ch-system-util-linux fsck.minix">
 | 
|---|
| 390 |             <primary sortas="b-fsck.minix">fsck.minix</primary>
 | 
|---|
| 391 |           </indexterm>
 | 
|---|
| 392 |         </listitem>
 | 
|---|
| 393 |       </varlistentry>
 | 
|---|
| 394 | 
 | 
|---|
| 395 |       <varlistentry id="getopt">
 | 
|---|
| 396 |         <term><command>getopt</command></term>
 | 
|---|
| 397 |         <listitem>
 | 
|---|
| 398 |           <para>Parses options in the given command line</para>
 | 
|---|
| 399 |           <indexterm zone="ch-system-util-linux getopt">
 | 
|---|
| 400 |             <primary sortas="b-getopt">getopt</primary>
 | 
|---|
| 401 |           </indexterm>
 | 
|---|
| 402 |         </listitem>
 | 
|---|
| 403 |       </varlistentry>
 | 
|---|
| 404 | 
 | 
|---|
| 405 |       <varlistentry id="hexdump">
 | 
|---|
| 406 |         <term><command>hexdump</command></term>
 | 
|---|
| 407 |         <listitem>
 | 
|---|
| 408 |           <para>Dumps the given file in hexadecimal or in another given
 | 
|---|
| 409 |           format</para>
 | 
|---|
| 410 |           <indexterm zone="ch-system-util-linux hexdump">
 | 
|---|
| 411 |             <primary sortas="b-hexdump">hexdump</primary>
 | 
|---|
| 412 |           </indexterm>
 | 
|---|
| 413 |         </listitem>
 | 
|---|
| 414 |       </varlistentry>
 | 
|---|
| 415 | 
 | 
|---|
| 416 |       <varlistentry id="hwclock">
 | 
|---|
| 417 |         <term><command>hwclock</command></term>
 | 
|---|
| 418 |         <listitem>
 | 
|---|
| 419 |           <para>Reads or sets the system's hardware clock, also called
 | 
|---|
| 420 |           the Real-Time Clock (RTC) or Basic Input-Output System (BIOS)
 | 
|---|
| 421 |           clock</para>
 | 
|---|
| 422 |           <indexterm zone="ch-system-util-linux hwclock">
 | 
|---|
| 423 |             <primary sortas="b-hwclock">hwclock</primary>
 | 
|---|
| 424 |           </indexterm>
 | 
|---|
| 425 |         </listitem>
 | 
|---|
| 426 |       </varlistentry>
 | 
|---|
| 427 | 
 | 
|---|
| 428 |       <varlistentry id="ionice">
 | 
|---|
| 429 |         <term><command>ionice</command></term>
 | 
|---|
| 430 |         <listitem>
 | 
|---|
| 431 |           <para>Gives and sets program I/O scheduling class and priority</para>
 | 
|---|
| 432 |           <indexterm zone="ch-system-util-linux ionice">
 | 
|---|
| 433 |             <primary sortas="b-ionice">ionice</primary>
 | 
|---|
| 434 |           </indexterm>
 | 
|---|
| 435 |         </listitem>
 | 
|---|
| 436 |       </varlistentry>
 | 
|---|
| 437 | 
 | 
|---|
| 438 |       <varlistentry id="ipcmk">
 | 
|---|
| 439 |         <term><command>ipcmk</command></term>
 | 
|---|
| 440 |         <listitem>
 | 
|---|
| 441 |           <para>Creates various IPC resources</para>
 | 
|---|
| 442 |           <indexterm zone="ch-system-util-linux ipcmk">
 | 
|---|
| 443 |             <primary sortas="b-ipcmk">ipcmk</primary>
 | 
|---|
| 444 |           </indexterm>
 | 
|---|
| 445 |         </listitem>
 | 
|---|
| 446 |       </varlistentry>
 | 
|---|
| 447 | 
 | 
|---|
| 448 |       <varlistentry id="ipcrm">
 | 
|---|
| 449 |         <term><command>ipcrm</command></term>
 | 
|---|
| 450 |         <listitem>
 | 
|---|
| 451 |           <para>Removes the given Inter-Process Communication (IPC) resource</para>
 | 
|---|
| 452 |           <indexterm zone="ch-system-util-linux ipcrm">
 | 
|---|
| 453 |             <primary sortas="b-ipcrm">ipcrm</primary>
 | 
|---|
| 454 |           </indexterm>
 | 
|---|
| 455 |         </listitem>
 | 
|---|
| 456 |       </varlistentry>
 | 
|---|
| 457 | 
 | 
|---|
| 458 |       <varlistentry id="ipcs">
 | 
|---|
| 459 |         <term><command>ipcs</command></term>
 | 
|---|
| 460 |         <listitem>
 | 
|---|
| 461 |           <para>Provides IPC status information</para>
 | 
|---|
| 462 |           <indexterm zone="ch-system-util-linux ipcs">
 | 
|---|
| 463 |             <primary sortas="b-ipcs">ipcs</primary>
 | 
|---|
| 464 |           </indexterm>
 | 
|---|
| 465 |         </listitem>
 | 
|---|
| 466 |       </varlistentry>
 | 
|---|
| 467 | 
 | 
|---|
| 468 |       <varlistentry id="isosize">
 | 
|---|
| 469 |         <term><command>isosize</command></term>
 | 
|---|
| 470 |         <listitem>
 | 
|---|
| 471 |           <para>Reports the size of an iso9660 file system</para>
 | 
|---|
| 472 |           <indexterm zone="ch-system-util-linux isosize">
 | 
|---|
| 473 |             <primary sortas="b-isosize">isosize</primary>
 | 
|---|
| 474 |           </indexterm>
 | 
|---|
| 475 |         </listitem>
 | 
|---|
| 476 |       </varlistentry>
 | 
|---|
| 477 | 
 | 
|---|
| 478 |       <varlistentry id="ldattach">
 | 
|---|
| 479 |         <term><command>ldattach</command></term>
 | 
|---|
| 480 |         <listitem>
 | 
|---|
| 481 |           <para>Attaches a line discipline to a serial line</para>
 | 
|---|
| 482 |           <indexterm zone="ch-system-util-linux ldattach">
 | 
|---|
| 483 |             <primary sortas="b-ldattach">ldattach</primary>
 | 
|---|
| 484 |           </indexterm>
 | 
|---|
| 485 |         </listitem>
 | 
|---|
| 486 |       </varlistentry>
 | 
|---|
| 487 | 
 | 
|---|
| 488 |       <varlistentry id="line">
 | 
|---|
| 489 |         <term><command>line</command></term>
 | 
|---|
| 490 |         <listitem>
 | 
|---|
| 491 |           <para>Copies a single line</para>
 | 
|---|
| 492 |           <indexterm zone="ch-system-util-linux line">
 | 
|---|
| 493 |             <primary sortas="b-line">line</primary>
 | 
|---|
| 494 |           </indexterm>
 | 
|---|
| 495 |         </listitem>
 | 
|---|
| 496 |       </varlistentry>
 | 
|---|
| 497 | 
 | 
|---|
| 498 |       <varlistentry id="logger">
 | 
|---|
| 499 |         <term><command>logger</command></term>
 | 
|---|
| 500 |         <listitem>
 | 
|---|
| 501 |           <para>Enters the given message into the system log</para>
 | 
|---|
| 502 |           <indexterm zone="ch-system-util-linux logger">
 | 
|---|
| 503 |             <primary sortas="b-logger">logger</primary>
 | 
|---|
| 504 |           </indexterm>
 | 
|---|
| 505 |         </listitem>
 | 
|---|
| 506 |       </varlistentry>
 | 
|---|
| 507 | 
 | 
|---|
| 508 |       <varlistentry id="look">
 | 
|---|
| 509 |         <term><command>look</command></term>
 | 
|---|
| 510 |         <listitem>
 | 
|---|
| 511 |           <para>Displays lines that begin with the given string</para>
 | 
|---|
| 512 |           <indexterm zone="ch-system-util-linux look">
 | 
|---|
| 513 |             <primary sortas="b-look">look</primary>
 | 
|---|
| 514 |           </indexterm>
 | 
|---|
| 515 |         </listitem>
 | 
|---|
| 516 |       </varlistentry>
 | 
|---|
| 517 | 
 | 
|---|
| 518 |       <varlistentry id="losetup">
 | 
|---|
| 519 |         <term><command>losetup</command></term>
 | 
|---|
| 520 |         <listitem>
 | 
|---|
| 521 |           <para>Sets up and controls loop devices</para>
 | 
|---|
| 522 |           <indexterm zone="ch-system-util-linux losetup">
 | 
|---|
| 523 |             <primary sortas="b-losetup">losetup</primary>
 | 
|---|
| 524 |           </indexterm>
 | 
|---|
| 525 |         </listitem>
 | 
|---|
| 526 |       </varlistentry>
 | 
|---|
| 527 | 
 | 
|---|
| 528 |       <varlistentry id="lscpu">
 | 
|---|
| 529 |         <term><command>lscpu</command></term>
 | 
|---|
| 530 |         <listitem>
 | 
|---|
| 531 |           <para>Prints CPU architechture information</para>
 | 
|---|
| 532 |           <indexterm zone="ch-system-util-linux lscpu">
 | 
|---|
| 533 |             <primary sortas="b-lscpu">lscpu</primary>
 | 
|---|
| 534 |           </indexterm>
 | 
|---|
| 535 |         </listitem>
 | 
|---|
| 536 |       </varlistentry>
 | 
|---|
| 537 | 
 | 
|---|
| 538 |       <varlistentry id="mcookie">
 | 
|---|
| 539 |         <term><command>mcookie</command></term>
 | 
|---|
| 540 |         <listitem>
 | 
|---|
| 541 |           <para>Generates magic cookies (128-bit random hexadecimal numbers) for
 | 
|---|
| 542 |           <command>xauth</command></para>
 | 
|---|
| 543 |           <indexterm zone="ch-system-util-linux mcookie">
 | 
|---|
| 544 |             <primary sortas="b-mcookie">mcookie</primary>
 | 
|---|
| 545 |           </indexterm>
 | 
|---|
| 546 |         </listitem>
 | 
|---|
| 547 |       </varlistentry>
 | 
|---|
| 548 | 
 | 
|---|
| 549 |       <varlistentry id="mkfs">
 | 
|---|
| 550 |         <term><command>mkfs</command></term>
 | 
|---|
| 551 |         <listitem>
 | 
|---|
| 552 |           <para>Builds a file system on a device (usually a hard disk
 | 
|---|
| 553 |           partition)</para>
 | 
|---|
| 554 |           <indexterm zone="ch-system-util-linux mkfs">
 | 
|---|
| 555 |             <primary sortas="b-mkfs">mkfs</primary>
 | 
|---|
| 556 |           </indexterm>
 | 
|---|
| 557 |         </listitem>
 | 
|---|
| 558 |       </varlistentry>
 | 
|---|
| 559 | 
 | 
|---|
| 560 |       <varlistentry id="mkfs.bfs">
 | 
|---|
| 561 |         <term><command>mkfs.bfs</command></term>
 | 
|---|
| 562 |         <listitem>
 | 
|---|
| 563 |           <para>Creates a Santa Cruz Operations (SCO) bfs file system</para>
 | 
|---|
| 564 |           <indexterm zone="ch-system-util-linux mkfs.bfs">
 | 
|---|
| 565 |             <primary sortas="b-mkfs.bfs">mkfs.bfs</primary>
 | 
|---|
| 566 |           </indexterm>
 | 
|---|
| 567 |         </listitem>
 | 
|---|
| 568 |       </varlistentry>
 | 
|---|
| 569 | 
 | 
|---|
| 570 |       <varlistentry id="mkfs.cramfs">
 | 
|---|
| 571 |         <term><command>mkfs.cramfs</command></term>
 | 
|---|
| 572 |         <listitem>
 | 
|---|
| 573 |           <para>Creates a cramfs file system</para>
 | 
|---|
| 574 |           <indexterm zone="ch-system-util-linux mkfs.cramfs">
 | 
|---|
| 575 |             <primary sortas="b-mkfs.cramfs">mkfs.cramfs</primary>
 | 
|---|
| 576 |           </indexterm>
 | 
|---|
| 577 |         </listitem>
 | 
|---|
| 578 |       </varlistentry>
 | 
|---|
| 579 | 
 | 
|---|
| 580 |       <varlistentry id="mkfs.minix">
 | 
|---|
| 581 |         <term><command>mkfs.minix</command></term>
 | 
|---|
| 582 |         <listitem>
 | 
|---|
| 583 |           <para>Creates a Minix file system</para>
 | 
|---|
| 584 |           <indexterm zone="ch-system-util-linux mkfs.minix">
 | 
|---|
| 585 |             <primary sortas="b-mkfs.minix">mkfs.minix</primary>
 | 
|---|
| 586 |           </indexterm>
 | 
|---|
| 587 |         </listitem>
 | 
|---|
| 588 |       </varlistentry>
 | 
|---|
| 589 | 
 | 
|---|
| 590 |       <varlistentry id="mkswap">
 | 
|---|
| 591 |         <term><command>mkswap</command></term>
 | 
|---|
| 592 |         <listitem>
 | 
|---|
| 593 |           <para>Initializes the given device or file to be used as a swap
 | 
|---|
| 594 |           area</para>
 | 
|---|
| 595 |           <indexterm zone="ch-system-util-linux mkswap">
 | 
|---|
| 596 |             <primary sortas="b-mkswap">mkswap</primary>
 | 
|---|
| 597 |           </indexterm>
 | 
|---|
| 598 |         </listitem>
 | 
|---|
| 599 |       </varlistentry>
 | 
|---|
| 600 | 
 | 
|---|
| 601 |       <varlistentry id="more">
 | 
|---|
| 602 |         <term><command>more</command></term>
 | 
|---|
| 603 |         <listitem>
 | 
|---|
| 604 |           <para>A filter for paging through text one screen at a time</para>
 | 
|---|
| 605 |           <indexterm zone="ch-system-util-linux more">
 | 
|---|
| 606 |             <primary sortas="b-more">more</primary>
 | 
|---|
| 607 |           </indexterm>
 | 
|---|
| 608 |         </listitem>
 | 
|---|
| 609 |       </varlistentry>
 | 
|---|
| 610 | 
 | 
|---|
| 611 |       <varlistentry id="mount">
 | 
|---|
| 612 |         <term><command>mount</command></term>
 | 
|---|
| 613 |         <listitem>
 | 
|---|
| 614 |           <para>Attaches the file system on the given device to a specified
 | 
|---|
| 615 |           directory in the file-system tree</para>
 | 
|---|
| 616 |           <indexterm zone="ch-system-util-linux mount">
 | 
|---|
| 617 |             <primary sortas="b-mount">mount</primary>
 | 
|---|
| 618 |           </indexterm>
 | 
|---|
| 619 |         </listitem>
 | 
|---|
| 620 |       </varlistentry>
 | 
|---|
| 621 | 
 | 
|---|
| 622 |       <varlistentry id="namei">
 | 
|---|
| 623 |         <term><command>namei</command></term>
 | 
|---|
| 624 |         <listitem>
 | 
|---|
| 625 |           <para>Shows the symbolic links in the given pathnames</para>
 | 
|---|
| 626 |           <indexterm zone="ch-system-util-linux namei">
 | 
|---|
| 627 |             <primary sortas="b-namei">namei</primary>
 | 
|---|
| 628 |           </indexterm>
 | 
|---|
| 629 |         </listitem>
 | 
|---|
| 630 |       </varlistentry>
 | 
|---|
| 631 | 
 | 
|---|
| 632 |       <varlistentry id="partx">
 | 
|---|
| 633 |         <term><command>partx</command></term>
 | 
|---|
| 634 |         <listitem>
 | 
|---|
| 635 |           <para>Tells the kernel about the presence and numbering of on-disk
 | 
|---|
| 636 |           partitions</para>
 | 
|---|
| 637 |           <indexterm zone="ch-system-util-linux partx">
 | 
|---|
| 638 |             <primary sortas="b-partx">partx</primary>
 | 
|---|
| 639 |           </indexterm>
 | 
|---|
| 640 |         </listitem>
 | 
|---|
| 641 |       </varlistentry>
 | 
|---|
| 642 | 
 | 
|---|
| 643 |       <varlistentry id="pg">
 | 
|---|
| 644 |         <term><command>pg</command></term>
 | 
|---|
| 645 |         <listitem>
 | 
|---|
| 646 |           <para>Displays a text file one screen full at a time</para>
 | 
|---|
| 647 |           <indexterm zone="ch-system-util-linux pg">
 | 
|---|
| 648 |             <primary sortas="b-pg">pg</primary>
 | 
|---|
| 649 |           </indexterm>
 | 
|---|
| 650 |         </listitem>
 | 
|---|
| 651 |       </varlistentry>
 | 
|---|
| 652 | 
 | 
|---|
| 653 |       <varlistentry id="pivot_root">
 | 
|---|
| 654 |         <term><command>pivot_root</command></term>
 | 
|---|
| 655 |         <listitem>
 | 
|---|
| 656 |           <para>Makes the given file system the new root file system of the
 | 
|---|
| 657 |           current process</para>
 | 
|---|
| 658 |           <indexterm zone="ch-system-util-linux pivot_root">
 | 
|---|
| 659 |             <primary sortas="b-pivot_root">pivot_root</primary>
 | 
|---|
| 660 |           </indexterm>
 | 
|---|
| 661 |         </listitem>
 | 
|---|
| 662 |       </varlistentry>
 | 
|---|
| 663 | 
 | 
|---|
| 664 |       <varlistentry id="readprofile">
 | 
|---|
| 665 |         <term><command>readprofile</command></term>
 | 
|---|
| 666 |         <listitem>
 | 
|---|
| 667 |           <para>Reads kernel profiling information</para>
 | 
|---|
| 668 |           <indexterm zone="ch-system-util-linux readprofile">
 | 
|---|
| 669 |             <primary sortas="b-readprofile">readprofile</primary>
 | 
|---|
| 670 |           </indexterm>
 | 
|---|
| 671 |         </listitem>
 | 
|---|
| 672 |       </varlistentry>
 | 
|---|
| 673 | 
 | 
|---|
| 674 |       <varlistentry id="rename">
 | 
|---|
| 675 |         <term><command>rename</command></term>
 | 
|---|
| 676 |         <listitem>
 | 
|---|
| 677 |           <para>Renames the given files, replacing a given string with
 | 
|---|
| 678 |           another</para>
 | 
|---|
| 679 |           <indexterm zone="ch-system-util-linux rename">
 | 
|---|
| 680 |             <primary sortas="b-rename">rename</primary>
 | 
|---|
| 681 |           </indexterm>
 | 
|---|
| 682 |         </listitem>
 | 
|---|
| 683 |       </varlistentry>
 | 
|---|
| 684 | 
 | 
|---|
| 685 |       <varlistentry id="renice">
 | 
|---|
| 686 |         <term><command>renice</command></term>
 | 
|---|
| 687 |         <listitem>
 | 
|---|
| 688 |           <para>Alters the priority of running processes</para>
 | 
|---|
| 689 |           <indexterm zone="ch-system-util-linux renice">
 | 
|---|
| 690 |             <primary sortas="b-renice">renice</primary>
 | 
|---|
| 691 |           </indexterm>
 | 
|---|
| 692 |         </listitem>
 | 
|---|
| 693 |       </varlistentry>
 | 
|---|
| 694 | 
 | 
|---|
| 695 |       <varlistentry id="rev">
 | 
|---|
| 696 |         <term><command>rev</command></term>
 | 
|---|
| 697 |         <listitem>
 | 
|---|
| 698 |           <para>Reverses the lines of a given file</para>
 | 
|---|
| 699 |           <indexterm zone="ch-system-util-linux rev">
 | 
|---|
| 700 |             <primary sortas="b-rev">rev</primary>
 | 
|---|
| 701 |           </indexterm>
 | 
|---|
| 702 |         </listitem>
 | 
|---|
| 703 |       </varlistentry>
 | 
|---|
| 704 | 
 | 
|---|
| 705 |       <varlistentry id="rtcwake">
 | 
|---|
| 706 |         <term><command>rtcwake</command></term>
 | 
|---|
| 707 |         <listitem>
 | 
|---|
| 708 |           <para>Enters a system sleep state until a specified wakeup time</para>
 | 
|---|
| 709 |           <indexterm zone="ch-system-util-linux rtcwake">
 | 
|---|
| 710 |             <primary sortas="b-rtcwake">rtcwake</primary>
 | 
|---|
| 711 |           </indexterm>
 | 
|---|
| 712 |         </listitem>
 | 
|---|
| 713 |       </varlistentry>
 | 
|---|
| 714 | 
 | 
|---|
| 715 |       <varlistentry id="script">
 | 
|---|
| 716 |         <term><command>script</command></term>
 | 
|---|
| 717 |         <listitem>
 | 
|---|
| 718 |           <para>Makes a typescript of a terminal session</para>
 | 
|---|
| 719 |           <indexterm zone="ch-system-util-linux script">
 | 
|---|
| 720 |             <primary sortas="b-script">script</primary>
 | 
|---|
| 721 |           </indexterm>
 | 
|---|
| 722 |         </listitem>
 | 
|---|
| 723 |       </varlistentry>
 | 
|---|
| 724 | 
 | 
|---|
| 725 |       <varlistentry id="scriptreplay">
 | 
|---|
| 726 |         <term><command>scriptreplay</command></term>
 | 
|---|
| 727 |         <listitem>
 | 
|---|
| 728 |           <para>Plays back typescripts created by <command>script</command></para>
 | 
|---|
| 729 |           <indexterm zone="ch-system-util-linux scriptreplay">
 | 
|---|
| 730 |             <primary sortas="b-scriptreplay">scriptreplay</primary>
 | 
|---|
| 731 |           </indexterm>
 | 
|---|
| 732 |         </listitem>
 | 
|---|
| 733 |       </varlistentry>
 | 
|---|
| 734 | 
 | 
|---|
| 735 |       <varlistentry id="setarch">
 | 
|---|
| 736 |         <term><command>setarch</command></term>
 | 
|---|
| 737 |         <listitem>
 | 
|---|
| 738 |           <para>Changes reported architecture in new program environment and
 | 
|---|
| 739 |           sets personality flags</para>
 | 
|---|
| 740 |           <indexterm zone="ch-system-util-linux setarch">
 | 
|---|
| 741 |             <primary sortas="b-setarch">setarch</primary>
 | 
|---|
| 742 |           </indexterm>
 | 
|---|
| 743 |         </listitem>
 | 
|---|
| 744 |       </varlistentry>
 | 
|---|
| 745 | 
 | 
|---|
| 746 |       <varlistentry id="setsid">
 | 
|---|
| 747 |         <term><command>setsid</command></term>
 | 
|---|
| 748 |         <listitem>
 | 
|---|
| 749 |           <para>Runs the given program in a new session</para>
 | 
|---|
| 750 |           <indexterm zone="ch-system-util-linux setsid">
 | 
|---|
| 751 |             <primary sortas="b-setsid">setsid</primary>
 | 
|---|
| 752 |           </indexterm>
 | 
|---|
| 753 |         </listitem>
 | 
|---|
| 754 |       </varlistentry>
 | 
|---|
| 755 | 
 | 
|---|
| 756 |       <varlistentry id="setterm">
 | 
|---|
| 757 |         <term><command>setterm</command></term>
 | 
|---|
| 758 |         <listitem>
 | 
|---|
| 759 |           <para>Sets terminal attributes</para>
 | 
|---|
| 760 |           <indexterm zone="ch-system-util-linux setterm">
 | 
|---|
| 761 |             <primary sortas="b-setterm">setterm</primary>
 | 
|---|
| 762 |           </indexterm>
 | 
|---|
| 763 |         </listitem>
 | 
|---|
| 764 |       </varlistentry>
 | 
|---|
| 765 | 
 | 
|---|
| 766 |       <varlistentry id="sfdisk">
 | 
|---|
| 767 |         <term><command>sfdisk</command></term>
 | 
|---|
| 768 |         <listitem>
 | 
|---|
| 769 |           <para>A disk partition table manipulator</para>
 | 
|---|
| 770 |           <indexterm zone="ch-system-util-linux sfdisk">
 | 
|---|
| 771 |             <primary sortas="b-sfdisk">sfdisk</primary>
 | 
|---|
| 772 |           </indexterm>
 | 
|---|
| 773 |         </listitem>
 | 
|---|
| 774 |       </varlistentry>
 | 
|---|
| 775 | 
 | 
|---|
| 776 |       <varlistentry id="swapoff">
 | 
|---|
| 777 |         <term><command>swapoff</command></term>
 | 
|---|
| 778 |         <listitem>
 | 
|---|
| 779 |           <para>Disables devices and files for paging and swapping</para>
 | 
|---|
| 780 |           <indexterm zone="ch-system-util-linux swapoff">
 | 
|---|
| 781 |             <primary sortas="b-swapoff">swapoff</primary>
 | 
|---|
| 782 |           </indexterm>
 | 
|---|
| 783 |         </listitem>
 | 
|---|
| 784 |       </varlistentry>
 | 
|---|
| 785 | 
 | 
|---|
| 786 |       <varlistentry id="swapon">
 | 
|---|
| 787 |         <term><command>swapon</command></term>
 | 
|---|
| 788 |         <listitem>
 | 
|---|
| 789 |           <para>Enables devices and files for paging and swapping and
 | 
|---|
| 790 |           lists the devices and files currently in use</para>
 | 
|---|
| 791 |           <indexterm zone="ch-system-util-linux swapon">
 | 
|---|
| 792 |             <primary sortas="b-swapon">swapon</primary>
 | 
|---|
| 793 |           </indexterm>
 | 
|---|
| 794 |         </listitem>
 | 
|---|
| 795 |       </varlistentry>
 | 
|---|
| 796 | 
 | 
|---|
| 797 |       <varlistentry id="switch_root">
 | 
|---|
| 798 |         <term><command>switch_root</command></term>
 | 
|---|
| 799 |         <listitem>
 | 
|---|
| 800 |           <para>Switches to another filesystem as the root of the mount tree</para>
 | 
|---|
| 801 |           <indexterm zone="ch-system-util-linux switch_root">
 | 
|---|
| 802 |             <primary sortas="b-switch_root">switch_root</primary>
 | 
|---|
| 803 |           </indexterm>
 | 
|---|
| 804 |         </listitem>
 | 
|---|
| 805 |       </varlistentry>
 | 
|---|
| 806 | 
 | 
|---|
| 807 |       <varlistentry id="tailf">
 | 
|---|
| 808 |         <term><command>tailf</command></term>
 | 
|---|
| 809 |         <listitem>
 | 
|---|
| 810 |           <para>Tracks the growth of a log file. Displays the last 10 lines
 | 
|---|
| 811 |           of a log file, then continues displaying any new entries in the
 | 
|---|
| 812 |           log file as they are created</para>
 | 
|---|
| 813 |           <indexterm zone="ch-system-util-linux tailf">
 | 
|---|
| 814 |             <primary sortas="b-tailf">tailf</primary>
 | 
|---|
| 815 |           </indexterm>
 | 
|---|
| 816 |         </listitem>
 | 
|---|
| 817 |       </varlistentry>
 | 
|---|
| 818 | 
 | 
|---|
| 819 |       <varlistentry id="taskset">
 | 
|---|
| 820 |         <term><command>taskset</command></term>
 | 
|---|
| 821 |         <listitem>
 | 
|---|
| 822 |           <para>Retrieves or sets a process's CPU affinity</para>
 | 
|---|
| 823 |           <indexterm zone="ch-system-util-linux taskset">
 | 
|---|
| 824 |             <primary sortas="b-taskset">taskset</primary>
 | 
|---|
| 825 |           </indexterm>
 | 
|---|
| 826 |         </listitem>
 | 
|---|
| 827 |       </varlistentry>
 | 
|---|
| 828 | 
 | 
|---|
| 829 |       <varlistentry id="tunelp">
 | 
|---|
| 830 |         <term><command>tunelp</command></term>
 | 
|---|
| 831 |         <listitem>
 | 
|---|
| 832 |           <para>Tunes the parameters of the line printer</para>
 | 
|---|
| 833 |           <indexterm zone="ch-system-util-linux tunelp">
 | 
|---|
| 834 |             <primary sortas="b-tunelp">tunelp</primary>
 | 
|---|
| 835 |           </indexterm>
 | 
|---|
| 836 |         </listitem>
 | 
|---|
| 837 |       </varlistentry>
 | 
|---|
| 838 | 
 | 
|---|
| 839 |       <varlistentry id="ul">
 | 
|---|
| 840 |         <term><command>ul</command></term>
 | 
|---|
| 841 |         <listitem>
 | 
|---|
| 842 |           <para>A filter for translating underscores into escape sequences
 | 
|---|
| 843 |           indicating underlining for the terminal in use</para>
 | 
|---|
| 844 |           <indexterm zone="ch-system-util-linux ul">
 | 
|---|
| 845 |             <primary sortas="b-ul">ul</primary>
 | 
|---|
| 846 |           </indexterm>
 | 
|---|
| 847 |         </listitem>
 | 
|---|
| 848 |       </varlistentry>
 | 
|---|
| 849 | 
 | 
|---|
| 850 |       <varlistentry id="umount">
 | 
|---|
| 851 |         <term><command>umount</command></term>
 | 
|---|
| 852 |         <listitem>
 | 
|---|
| 853 |           <para>Disconnects a file system from the system's file tree</para>
 | 
|---|
| 854 |           <indexterm zone="ch-system-util-linux umount">
 | 
|---|
| 855 |             <primary sortas="b-umount">umount</primary>
 | 
|---|
| 856 |           </indexterm>
 | 
|---|
| 857 |         </listitem>
 | 
|---|
| 858 |       </varlistentry>
 | 
|---|
| 859 | 
 | 
|---|
| 860 |       <varlistentry id="uuidd">
 | 
|---|
| 861 |         <term><command>uuidd</command></term>
 | 
|---|
| 862 |         <listitem>
 | 
|---|
| 863 |           <para>A daemon used by the UUID library to generate time-based
 | 
|---|
| 864 |           UUIDs in a secure and guranteed-unique fashion.</para>
 | 
|---|
| 865 |           <indexterm zone="ch-system-util-linux uuidd">
 | 
|---|
| 866 |             <primary sortas="b-uuidd">uuidd</primary>
 | 
|---|
| 867 |           </indexterm>
 | 
|---|
| 868 |         </listitem>
 | 
|---|
| 869 |       </varlistentry>
 | 
|---|
| 870 | 
 | 
|---|
| 871 |       <varlistentry id="uuidgen">
 | 
|---|
| 872 |         <term><command>uuidgen</command></term>
 | 
|---|
| 873 |         <listitem>
 | 
|---|
| 874 |           <para>Creates new UUIDs. Each new UUID can reasonably be considered
 | 
|---|
| 875 |           unique among all UUIDs created, on the local system and on other
 | 
|---|
| 876 |           systems, in the past and in the future</para>
 | 
|---|
| 877 |           <indexterm zone="ch-system-util-linux uuidgen">
 | 
|---|
| 878 |             <primary sortas="b-uuidgen">uuidgen</primary>
 | 
|---|
| 879 |           </indexterm>
 | 
|---|
| 880 |         </listitem>
 | 
|---|
| 881 |       </varlistentry>
 | 
|---|
| 882 | 
 | 
|---|
| 883 |       <varlistentry id="whereis">
 | 
|---|
| 884 |         <term><command>whereis</command></term>
 | 
|---|
| 885 |         <listitem>
 | 
|---|
| 886 |           <para>Reports the location of the binary, source, and man page
 | 
|---|
| 887 |           for the given command</para>
 | 
|---|
| 888 |           <indexterm zone="ch-system-util-linux whereis">
 | 
|---|
| 889 |             <primary sortas="b-whereis">whereis</primary>
 | 
|---|
| 890 |           </indexterm>
 | 
|---|
| 891 |         </listitem>
 | 
|---|
| 892 |       </varlistentry>
 | 
|---|
| 893 | 
 | 
|---|
| 894 |       <varlistentry id="write">
 | 
|---|
| 895 |         <term><command>write</command></term>
 | 
|---|
| 896 |         <listitem>
 | 
|---|
| 897 |           <para>Sends a message to the given user <emphasis>if</emphasis> that
 | 
|---|
| 898 |           user has not disabled receipt of such messages</para>
 | 
|---|
| 899 |           <indexterm zone="ch-system-util-linux write">
 | 
|---|
| 900 |             <primary sortas="b-write">write</primary>
 | 
|---|
| 901 |           </indexterm>
 | 
|---|
| 902 |         </listitem>
 | 
|---|
| 903 |       </varlistentry>
 | 
|---|
| 904 | 
 | 
|---|
| 905 |       <varlistentry id="libblkid">
 | 
|---|
| 906 |         <term><filename class="libraryfile">libblkid</filename></term>
 | 
|---|
| 907 |         <listitem>
 | 
|---|
| 908 |           <para>Contains routines for device identification and token
 | 
|---|
| 909 |           extraction</para>
 | 
|---|
| 910 |           <indexterm zone="ch-system-util-linux libblkid">
 | 
|---|
| 911 |             <primary sortas="c-libblkid">libblkid</primary>
 | 
|---|
| 912 |           </indexterm>
 | 
|---|
| 913 |         </listitem>
 | 
|---|
| 914 |       </varlistentry>
 | 
|---|
| 915 | 
 | 
|---|
| 916 |       <varlistentry id="libuuid">
 | 
|---|
| 917 |         <term><filename class="libraryfile">libuuid</filename></term>
 | 
|---|
| 918 |         <listitem>
 | 
|---|
| 919 |           <para>Contains routines for generating unique identifiers for objects
 | 
|---|
| 920 |           that may be accessible beyond the local system</para>
 | 
|---|
| 921 |           <indexterm zone="ch-system-util-linux libuuid">
 | 
|---|
| 922 |             <primary sortas="c-libuuid">libuuid</primary>
 | 
|---|
| 923 |           </indexterm>
 | 
|---|
| 924 |         </listitem>
 | 
|---|
| 925 |       </varlistentry>
 | 
|---|
| 926 | 
 | 
|---|
| 927 |     </variablelist>
 | 
|---|
| 928 | 
 | 
|---|
| 929 |   </sect2>
 | 
|---|
| 930 | 
 | 
|---|
| 931 | </sect1>
 | 
|---|