| 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>
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| 378 | <indexterm zone="ch-system-util-linux fsck.cramfs">
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| 379 | <primary sortas="b-fsck.cramfs">fsck.cramfs</primary>
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| 380 | </indexterm>
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| 381 | </listitem>
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| 382 | </varlistentry>
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| 383 |
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| 384 | <varlistentry id="fsck.minix">
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| 385 | <term><command>fsck.minix</command></term>
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| 386 | <listitem>
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| 387 | <para>Performs a consistency check on the Minix file system on the
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| 388 | given device</para>
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| 389 | <indexterm zone="ch-system-util-linux fsck.minix">
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| 390 | <primary sortas="b-fsck.minix">fsck.minix</primary>
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| 391 | </indexterm>
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| 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>
|
|---|
