| 1 | <?xml version="1.0" encoding="ISO-8859-1"?>
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| 2 | <!DOCTYPE sect1 PUBLIC "-//OASIS//DTD DocBook XML V4.4//EN"
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| 3 | "http://www.oasis-open.org/docbook/xml/4.4/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 | <segmentedlist>
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| 25 | <segtitle>&dependencies;</segtitle>
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| 26 |
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| 27 | <seglistitem>
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| 28 | <seg>Bash, Binutils, Coreutils, Diffutils, E2fsprogs, GCC,
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| 29 | Gettext, Glibc, Grep, Make, Ncurses, Patch,
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| 30 | Sed, and Zlib</seg>
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| 31 | </seglistitem>
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| 32 | </segmentedlist>
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| 33 |
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| 34 | </sect2>
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| 35 |
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| 36 | <sect2 id="fhs-util-linux" role="installation">
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| 37 | <title>FHS compliance notes</title>
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| 38 |
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| 39 | <para>The FHS recommends using the <filename
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| 40 | class="directory">/var/lib/hwclock</filename> directory instead of the
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| 41 | usual <filename class="directory">/etc</filename> directory as the
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| 42 | location for the <filename>adjtime</filename> file. To make the
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| 43 | <command>hwclock</command> program FHS-compliant, run the following:</para>
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| 44 |
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| 45 | <screen><userinput>sed -i 's@etc/adjtime@var/lib/hwclock/adjtime@g' \
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| 46 | hwclock/hwclock.c
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| 47 | mkdir -pv /var/lib/hwclock</userinput></screen>
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| 48 |
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| 49 | </sect2>
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| 50 |
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| 51 | <sect2 role="installation">
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| 52 | <title>Installation of Util-linux</title>
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| 53 |
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| 54 | <para os="p1">Util-linux fails to compile against newer versions of
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| 55 | Linux kernel headers. The following patch properly fixes this issue:</para>
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| 56 |
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| 57 | <screen os="p2"><userinput>patch -Np1 -i ../&util-linux-cramfs-patch;</userinput></screen>
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| 58 |
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| 59 | <para os="p3">The following patch fixes build issues with GCC &gcc-version;:</para>
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| 60 |
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| 61 | <screen os="p4"><userinput>patch -Np1 -i ../&util-linux-gcc4_fixes-patch;</userinput></screen>
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| 62 |
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| 63 | <para os="a">Prepare Util-linux for compilation:</para>
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| 64 |
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| 65 | <screen os="b"><userinput>./configure</userinput></screen>
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| 66 |
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| 67 | <para os="c">Compile the package:</para>
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| 68 |
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| 69 | <screen os="d"><userinput>make HAVE_KILL=yes HAVE_SLN=yes</userinput></screen>
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| 70 |
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| 71 | <variablelist os="e">
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| 72 | <title>The meaning of the make parameters:</title>
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| 73 |
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| 74 | <varlistentry os="e1">
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| 75 | <term><parameter>HAVE_KILL=yes</parameter></term>
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| 76 | <listitem>
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| 77 | <para>This prevents the <command>kill</command> program (already
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| 78 | installed by Procps) from being built and installed again.</para>
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| 79 | </listitem>
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| 80 | </varlistentry>
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| 81 |
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| 82 | <varlistentry os="e2">
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| 83 | <term><parameter>HAVE_SLN=yes</parameter></term>
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| 84 | <listitem>
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| 85 | <para>This prevents the <command>sln</command> program (a
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| 86 | statically linked version of <command>ln</command> already installed
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| 87 | by Glibc) from being built and installed again.</para>
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| 88 | </listitem>
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| 89 | </varlistentry>
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| 90 |
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| 91 | </variablelist>
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| 92 |
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| 93 | <para os="f">This package does not come with a test suite.</para>
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| 94 |
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| 95 | <para os="g">Install the package and move the <command>logger</command> binary
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| 96 | to <filename class="directory">/bin</filename> as it is needed by the
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| 97 | LFS-Bootscripts package:</para>
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| 98 |
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| 99 | <screen os="h"><userinput>make HAVE_KILL=yes HAVE_SLN=yes install
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| 100 | 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 |
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| 110 | <seglistitem>
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| 111 | <seg>agetty, arch, blockdev, cal, cfdisk, chkdupexe, col, colcrt,
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| 112 | colrm, column, ctrlaltdel, cytune, ddate, dmesg, elvtune, fdformat,
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| 113 | fdisk, fsck.cramfs, fsck.minix, getopt, hexdump, hwclock, ipcrm,
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| 114 | ipcs, isosize, line, logger, look, losetup, mcookie, mkfs, mkfs.bfs,
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| 115 | mkfs.cramfs, mkfs.minix, mkswap, more, mount, namei, pg, pivot_root,
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| 116 | ramsize (link to rdev), raw, rdev, readprofile, rename, renice, rev,
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| 117 | rootflags (link to rdev), script, setfdprm, setsid, setterm, sfdisk,
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| 118 | swapdev, swapoff (link to swapon), swapon, tunelp, ul, umount, vidmode
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| 119 | (link to rdev), whereis, and write</seg>
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| 120 | </seglistitem>
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| 121 | </segmentedlist>
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| 122 |
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| 123 | <variablelist>
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| 124 | <bridgehead renderas="sect3">Short Descriptions</bridgehead>
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| 125 | <?dbfo list-presentation="list"?>
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| 126 | <?dbhtml list-presentation="table"?>
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| 127 |
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| 128 | <varlistentry id="agetty">
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| 129 | <term><command>agetty</command></term>
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| 130 | <listitem>
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| 131 | <para>Opens a tty port, prompts for a login name,
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| 132 | and then invokes the <command>login</command> program</para>
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| 133 | <indexterm zone="ch-system-util-linux agetty">
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| 134 | <primary sortas="b-agetty">agetty</primary>
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| 135 | </indexterm>
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| 136 | </listitem>
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| 137 | </varlistentry>
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| 138 |
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| 139 | <varlistentry id="arch">
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| 140 | <term><command>arch</command></term>
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| 141 | <listitem>
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| 142 | <para>Reports the machine's architecture</para>
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| 143 | <indexterm zone="ch-system-util-linux arch">
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| 144 | <primary sortas="b-arch">arch</primary>
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| 145 | </indexterm>
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| 146 | </listitem>
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| 147 | </varlistentry>
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| 148 |
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| 149 | <varlistentry id="blockdev">
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| 150 | <term><command>blockdev</command></term>
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| 151 | <listitem>
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| 152 | <para>Allows users to call block device ioctls from the command
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| 153 | line</para>
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| 154 | <indexterm zone="ch-system-util-linux blockdev">
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| 155 | <primary sortas="b-blockdev">blockdev</primary>
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| 156 | </indexterm>
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| 157 | </listitem>
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| 158 | </varlistentry>
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| 159 |
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| 160 | <varlistentry id="cal">
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| 161 | <term><command>cal</command></term>
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| 162 | <listitem>
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| 163 | <para>Displays a simple calendar</para>
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| 164 | <indexterm zone="ch-system-util-linux cal">
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| 165 | <primary sortas="b-cal">cal</primary>
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| 166 | </indexterm>
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| 167 | </listitem>
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| 168 | </varlistentry>
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| 169 |
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| 170 | <varlistentry id="cfdisk">
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| 171 | <term><command>cfdisk</command></term>
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| 172 | <listitem>
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| 173 | <para>Manipulates the partition table of the given device</para>
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| 174 | <indexterm zone="ch-system-util-linux cfdisk">
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| 175 | <primary sortas="b-cfdisk">cfdisk</primary>
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| 176 | </indexterm>
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| 177 | </listitem>
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| 178 | </varlistentry>
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| 179 |
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| 180 | <varlistentry id="chkdupexe">
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| 181 | <term><command>chkdupexe</command></term>
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| 182 | <listitem>
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| 183 | <para>Finds duplicate executables</para>
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| 184 | <indexterm zone="ch-system-util-linux chkdupexe">
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| 185 | <primary sortas="b-chkdupexe">chkdupexe</primary>
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| 186 | </indexterm>
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| 187 | </listitem>
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| 188 | </varlistentry>
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| 189 |
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| 190 | <varlistentry id="col">
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| 191 | <term><command>col</command></term>
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| 192 | <listitem>
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| 193 | <para>Filters out reverse line feeds</para>
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| 194 | <indexterm zone="ch-system-util-linux col">
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| 195 | <primary sortas="b-col">col</primary>
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| 196 | </indexterm>
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| 197 | </listitem>
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| 198 | </varlistentry>
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| 199 |
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| 200 | <varlistentry id="colcrt">
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| 201 | <term><command>colcrt</command></term>
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| 202 | <listitem>
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| 203 | <para>Filters <command>nroff</command> output for terminals
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| 204 | that lack some capabilities, such as overstriking and half-lines</para>
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| 205 | <indexterm zone="ch-system-util-linux colcrt">
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| 206 | <primary sortas="b-colcrt">colcrt</primary>
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| 207 | </indexterm>
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| 208 | </listitem>
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| 209 | </varlistentry>
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| 210 |
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| 211 | <varlistentry id="colrm">
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| 212 | <term><command>colrm</command></term>
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| 213 | <listitem>
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| 214 | <para>Filters out the given columns</para>
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| 215 | <indexterm zone="ch-system-util-linux colrm">
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| 216 | <primary sortas="b-colrm">colrm</primary>
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| 217 | </indexterm>
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| 218 | </listitem>
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| 219 | </varlistentry>
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| 220 |
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| 221 | <varlistentry id="column">
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| 222 | <term><command>column</command></term>
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| 223 | <listitem>
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| 224 | <para>Formats a given file into multiple columns</para>
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| 225 | <indexterm zone="ch-system-util-linux column">
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| 226 | <primary sortas="b-column">column</primary>
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| 227 | </indexterm>
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| 228 | </listitem>
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| 229 | </varlistentry>
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| 230 |
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| 231 | <varlistentry id="ctrlaltdel">
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| 232 | <term><command>ctrlaltdel</command></term>
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| 233 | <listitem>
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| 234 | <para>Sets the function of the Ctrl+Alt+Del key combination to a
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| 235 | hard or a soft reset</para>
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| 236 | <indexterm zone="ch-system-util-linux ctrlaltdel">
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| 237 | <primary sortas="b-ctrlaltdel">ctrlaltdel</primary>
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| 238 | </indexterm>
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| 239 | </listitem>
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| 240 | </varlistentry>
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| 241 |
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| 242 | <varlistentry id="cytune">
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| 243 | <term><command>cytune</command></term>
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| 244 | <listitem>
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| 245 | <para>Tunes the parameters of the serial line drivers for
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| 246 | Cyclades cards</para>
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| 247 | <indexterm zone="ch-system-util-linux cytune">
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| 248 | <primary sortas="b-cytune">cytune</primary>
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| 249 | </indexterm>
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| 250 | </listitem>
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| 251 | </varlistentry>
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| 252 |
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| 253 | <varlistentry id="ddate">
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| 254 | <term><command>ddate</command></term>
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| 255 | <listitem>
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| 256 | <para>Gives the Discordian date or converts the given Gregorian date
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| 257 | to a Discordian one</para>
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| 258 | <indexterm zone="ch-system-util-linux ddate">
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| 259 | <primary sortas="b-ddate">ddate</primary>
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| 260 | </indexterm>
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| 261 | </listitem>
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| 262 | </varlistentry>
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| 263 |
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| 264 | <varlistentry id="dmesg">
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| 265 | <term><command>dmesg</command></term>
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| 266 | <listitem>
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| 267 | <para>Dumps the kernel boot messages</para>
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| 268 | <indexterm zone="ch-system-util-linux dmesg">
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| 269 | <primary sortas="b-dmesg">dmesg</primary>
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| 270 | </indexterm>
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| 271 | </listitem>
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| 272 | </varlistentry>
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| 273 |
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| 274 | <varlistentry id="elvtune">
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| 275 | <term><command>elvtune</command></term>
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| 276 | <listitem>
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| 277 | <para>Tunes the performance and interactivity of a block
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| 278 | device</para>
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| 279 | <indexterm zone="ch-system-util-linux elvtune">
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| 280 | <primary sortas="b-elvtune">elvtune</primary>
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| 281 | </indexterm>
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| 282 | </listitem>
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| 283 | </varlistentry>
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| 284 |
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| 285 | <varlistentry id="fdformat">
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| 286 | <term><command>fdformat</command></term>
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| 287 | <listitem>
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| 288 | <para>Low-level formats a floppy disk</para>
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| 289 | <indexterm zone="ch-system-util-linux fdformat">
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| 290 | <primary sortas="b-fdformat">fdformat</primary>
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| 291 | </indexterm>
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| 292 | </listitem>
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| 293 | </varlistentry>
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| 294 |
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| 295 | <varlistentry id="fdisk">
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| 296 | <term><command>fdisk</command></term>
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| 297 | <listitem>
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| 298 | <para>Manipulates the partition table of the given device</para>
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| 299 | <indexterm zone="ch-system-util-linux fdisk">
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| 300 | <primary sortas="b-fdisk">fdisk</primary>
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| 301 | </indexterm>
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| 302 | </listitem>
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| 303 | </varlistentry>
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| 304 |
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| 305 | <varlistentry id="fsck.cramfs">
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| 306 | <term><command>fsck.cramfs</command></term>
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| 307 | <listitem>
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| 308 | <para>Performs a consistency check on the Cramfs file system on the
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| 309 | given device</para>
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| 310 | <indexterm zone="ch-system-util-linux fsck.cramfs">
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| 311 | <primary sortas="b-fsck.cramfs">fsck.cramfs</primary>
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| 312 | </indexterm>
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| 313 | </listitem>
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| 314 | </varlistentry>
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| 315 |
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| 316 | <varlistentry id="fsck.minix">
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| 317 | <term><command>fsck.minix</command></term>
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| 318 | <listitem>
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| 319 | <para>Performs a consistency check on the Minix file system on the
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| 320 | given device</para>
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| 321 | <indexterm zone="ch-system-util-linux fsck.minix">
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| 322 | <primary sortas="b-fsck.minix">fsck.minix</primary>
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| 323 | </indexterm>
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| 324 | </listitem>
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| 325 | </varlistentry>
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| 326 |
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| 327 | <varlistentry id="getopt">
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| 328 | <term><command>getopt</command></term>
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| 329 | <listitem>
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| 330 | <para>Parses options in the given command line</para>
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| 331 | <indexterm zone="ch-system-util-linux getopt">
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| 332 | <primary sortas="b-getopt">getopt</primary>
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| 333 | </indexterm>
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| 334 | </listitem>
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| 335 | </varlistentry>
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| 336 |
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| 337 | <varlistentry id="hexdump">
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| 338 | <term><command>hexdump</command></term>
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| 339 | <listitem>
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| 340 | <para>Dumps the given file in hexadecimal or in another given
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| 341 | format</para>
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| 342 | <indexterm zone="ch-system-util-linux hexdump">
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| 343 | <primary sortas="b-hexdump">hexdump</primary>
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| 344 | </indexterm>
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| 345 | </listitem>
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| 346 | </varlistentry>
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| 347 |
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| 348 | <varlistentry id="hwclock">
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| 349 | <term><command>hwclock</command></term>
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| 350 | <listitem>
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| 351 | <para>Reads or sets the system's hardware clock, also called
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| 352 | the Real-Time Clock (RTC) or Basic Input-Output System (BIOS)
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| 353 | clock</para>
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| 354 | <indexterm zone="ch-system-util-linux hwclock">
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| 355 | <primary sortas="b-hwclock">hwclock</primary>
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| 356 | </indexterm>
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| 357 | </listitem>
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| 358 | </varlistentry>
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| 359 |
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| 360 | <varlistentry id="ipcrm">
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| 361 | <term><command>ipcrm</command></term>
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| 362 | <listitem>
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| 363 | <para>Removes the given Inter-Process Communication (IPC) resource</para>
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| 364 | <indexterm zone="ch-system-util-linux ipcrm">
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| 365 | <primary sortas="b-ipcrm">ipcrm</primary>
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| 366 | </indexterm>
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| 367 | </listitem>
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| 368 | </varlistentry>
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| 369 |
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| 370 | <varlistentry id="ipcs">
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| 371 | <term><command>ipcs</command></term>
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| 372 | <listitem>
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| 373 | <para>Provides IPC status information</para>
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| 374 | <indexterm zone="ch-system-util-linux ipcs">
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| 375 | <primary sortas="b-ipcs">ipcs</primary>
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| 376 | </indexterm>
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| 377 | </listitem>
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| 378 | </varlistentry>
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| 379 |
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| 380 | <varlistentry id="isosize">
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| 381 | <term><command>isosize</command></term>
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| 382 | <listitem>
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| 383 | <para>Reports the size of an iso9660 file system</para>
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| 384 | <indexterm zone="ch-system-util-linux isosize">
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| 385 | <primary sortas="b-isosize">isosize</primary>
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| 386 | </indexterm>
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| 387 | </listitem>
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| 388 | </varlistentry>
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| 389 |
|
|---|
| 390 | <varlistentry id="line">
|
|---|
| 391 | <term><command>line</command></term>
|
|---|
| 392 | <listitem>
|
|---|
| 393 | <para>Copies a single line</para>
|
|---|
| 394 | <indexterm zone="ch-system-util-linux line">
|
|---|
| 395 | <primary sortas="b-line">line</primary>
|
|---|
| 396 | </indexterm>
|
|---|
| 397 | </listitem>
|
|---|
| 398 | </varlistentry>
|
|---|
| 399 |
|
|---|
| 400 | <varlistentry id="logger">
|
|---|
| 401 | <term><command>logger</command></term>
|
|---|
| 402 | <listitem>
|
|---|
| 403 | <para>Enters the given message into the system log</para>
|
|---|
| 404 | <indexterm zone="ch-system-util-linux logger">
|
|---|
| 405 | <primary sortas="b-logger">logger</primary>
|
|---|
| 406 | </indexterm>
|
|---|
| 407 | </listitem>
|
|---|
| 408 | </varlistentry>
|
|---|
| 409 |
|
|---|
| 410 | <varlistentry id="look">
|
|---|
| 411 | <term><command>look</command></term>
|
|---|
| 412 | <listitem>
|
|---|
| 413 | <para>Displays lines that begin with the given string</para>
|
|---|
| 414 | <indexterm zone="ch-system-util-linux look">
|
|---|
| 415 | <primary sortas="b-look">look</primary>
|
|---|
| 416 | </indexterm>
|
|---|
| 417 | </listitem>
|
|---|
| 418 | </varlistentry>
|
|---|
| 419 |
|
|---|
| 420 | <varlistentry id="losetup">
|
|---|
| 421 | <term><command>losetup</command></term>
|
|---|
| 422 | <listitem>
|
|---|
| 423 | <para>Sets up and controls loop devices</para>
|
|---|
| 424 | <indexterm zone="ch-system-util-linux losetup">
|
|---|
| 425 | <primary sortas="b-losetup">losetup</primary>
|
|---|
| 426 | </indexterm>
|
|---|
| 427 | </listitem>
|
|---|
| 428 | </varlistentry>
|
|---|
| 429 |
|
|---|
| 430 | <varlistentry id="mcookie">
|
|---|
| 431 | <term><command>mcookie</command></term>
|
|---|
| 432 | <listitem>
|
|---|
| 433 | <para>Generates magic cookies (128-bit random hexadecimal numbers) for
|
|---|
| 434 | <command>xauth</command></para>
|
|---|
| 435 | <indexterm zone="ch-system-util-linux mcookie">
|
|---|
| 436 | <primary sortas="b-mcookie">mcookie</primary>
|
|---|
| 437 | </indexterm>
|
|---|
| 438 | </listitem>
|
|---|
| 439 | </varlistentry>
|
|---|
| 440 |
|
|---|
| 441 | <varlistentry id="mkfs">
|
|---|
| 442 | <term><command>mkfs</command></term>
|
|---|
| 443 | <listitem>
|
|---|
| 444 | <para>Builds a file system on a device (usually a hard disk
|
|---|
| 445 | partition)</para>
|
|---|
| 446 | <indexterm zone="ch-system-util-linux mkfs">
|
|---|
| 447 | <primary sortas="b-mkfs">mkfs</primary>
|
|---|
| 448 | </indexterm>
|
|---|
| 449 | </listitem>
|
|---|
| 450 | </varlistentry>
|
|---|
| 451 |
|
|---|
| 452 | <varlistentry id="mkfs.bfs">
|
|---|
| 453 | <term><command>mkfs.bfs</command></term>
|
|---|
| 454 | <listitem>
|
|---|
| 455 | <para>Creates a Santa Cruz Operations (SCO) bfs file system</para>
|
|---|
| 456 | <indexterm zone="ch-system-util-linux mkfs.bfs">
|
|---|
| 457 | <primary sortas="b-mkfs.bfs">mkfs.bfs</primary>
|
|---|
| 458 | </indexterm>
|
|---|
| 459 | </listitem>
|
|---|
| 460 | </varlistentry>
|
|---|
| 461 |
|
|---|
| 462 | <varlistentry id="mkfs.cramfs">
|
|---|
| 463 | <term><command>mkfs.cramfs</command></term>
|
|---|
| 464 | <listitem>
|
|---|
| 465 | <para>Creates a cramfs file system</para>
|
|---|
| 466 | <indexterm zone="ch-system-util-linux mkfs.cramfs">
|
|---|
| 467 | <primary sortas="b-mkfs.cramfs">mkfs.cramfs</primary>
|
|---|
| 468 | </indexterm>
|
|---|
| 469 | </listitem>
|
|---|
| 470 | </varlistentry>
|
|---|
| 471 |
|
|---|
| 472 | <varlistentry id="mkfs.minix">
|
|---|
| 473 | <term><command>mkfs.minix</command></term>
|
|---|
| 474 | <listitem>
|
|---|
| 475 | <para>Creates a Minix file system</para>
|
|---|
| 476 | <indexterm zone="ch-system-util-linux mkfs.minix">
|
|---|
| 477 | <primary sortas="b-mkfs.minix">mkfs.minix</primary>
|
|---|
| 478 | </indexterm>
|
|---|
| 479 | </listitem>
|
|---|
| 480 | </varlistentry>
|
|---|
| 481 |
|
|---|
| 482 | <varlistentry id="mkswap">
|
|---|
| 483 | <term><command>mkswap</command></term>
|
|---|
| 484 | <listitem>
|
|---|
| 485 | <para>Initializes the given device or file to be used as a swap
|
|---|
| 486 | area</para>
|
|---|
| 487 | <indexterm zone="ch-system-util-linux mkswap">
|
|---|
| 488 | <primary sortas="b-mkswap">mkswap</primary>
|
|---|
| 489 | </indexterm>
|
|---|
| 490 | </listitem>
|
|---|
| 491 | </varlistentry>
|
|---|
| 492 |
|
|---|
| 493 | <varlistentry id="more">
|
|---|
| 494 | <term><command>more</command></term>
|
|---|
| 495 | <listitem>
|
|---|
| 496 | <para>A filter for paging through text one screen at a time</para>
|
|---|
| 497 | <indexterm zone="ch-system-util-linux more">
|
|---|
| 498 | <primary sortas="b-more">more</primary>
|
|---|
| 499 | </indexterm>
|
|---|
| 500 | </listitem>
|
|---|
| 501 | </varlistentry>
|
|---|
| 502 |
|
|---|
| 503 | <varlistentry id="mount">
|
|---|
| 504 | <term><command>mount</command></term>
|
|---|
| 505 | <listitem>
|
|---|
| 506 | <para>Attaches the file system on the given device to a specified
|
|---|
| 507 | directory in the file-system tree</para>
|
|---|
| 508 | <indexterm zone="ch-system-util-linux mount">
|
|---|
| 509 | <primary sortas="b-mount">mount</primary>
|
|---|
| 510 | </indexterm>
|
|---|
| 511 | </listitem>
|
|---|
| 512 | </varlistentry>
|
|---|
| 513 |
|
|---|
| 514 | <varlistentry id="namei">
|
|---|
| 515 | <term><command>namei</command></term>
|
|---|
| 516 | <listitem>
|
|---|
| 517 | <para>Shows the symbolic links in the given pathnames</para>
|
|---|
| 518 | <indexterm zone="ch-system-util-linux namei">
|
|---|
| 519 | <primary sortas="b-namei">namei</primary>
|
|---|
| 520 | </indexterm>
|
|---|
| 521 | </listitem>
|
|---|
| 522 | </varlistentry>
|
|---|
| 523 |
|
|---|
| 524 | <varlistentry id="pg">
|
|---|
| 525 | <term><command>pg</command></term>
|
|---|
| 526 | <listitem>
|
|---|
| 527 | <para>Displays a text file one screen full at a time</para>
|
|---|
| 528 | <indexterm zone="ch-system-util-linux pg">
|
|---|
| 529 | <primary sortas="b-pg">pg</primary>
|
|---|
| 530 | </indexterm>
|
|---|
| 531 | </listitem>
|
|---|
| 532 | </varlistentry>
|
|---|
| 533 |
|
|---|
| 534 | <varlistentry id="pivot_root">
|
|---|
| 535 | <term><command>pivot_root</command></term>
|
|---|
| 536 | <listitem>
|
|---|
| 537 | <para>Makes the given file system the new root file system of the
|
|---|
| 538 | current process</para>
|
|---|
| 539 | <indexterm zone="ch-system-util-linux pivot_root">
|
|---|
| 540 | <primary sortas="b-pivot_root">pivot_root</primary>
|
|---|
| 541 | </indexterm>
|
|---|
| 542 | </listitem>
|
|---|
| 543 | </varlistentry>
|
|---|
| 544 |
|
|---|
| 545 | <varlistentry id="ramsize">
|
|---|
| 546 | <term><command>ramsize</command></term>
|
|---|
| 547 | <listitem>
|
|---|
| 548 | <para>Sets the size of the RAM disk in a bootable image</para>
|
|---|
| 549 | <indexterm zone="ch-system-util-linux ramsize">
|
|---|
| 550 | <primary sortas="b-ramsize">ramsize</primary>
|
|---|
| 551 | </indexterm>
|
|---|
| 552 | </listitem>
|
|---|
| 553 | </varlistentry>
|
|---|
| 554 |
|
|---|
| 555 | <varlistentry id="raw">
|
|---|
| 556 | <term><command>raw</command></term>
|
|---|
| 557 | <listitem>
|
|---|
| 558 | <para>Used to bind a Linux raw character device to a block
|
|---|
| 559 | device</para>
|
|---|
| 560 | <indexterm zone="ch-system-util-linux raw">
|
|---|
| 561 | <primary sortas="b-raw">raw</primary>
|
|---|
| 562 | </indexterm>
|
|---|
| 563 | </listitem>
|
|---|
| 564 | </varlistentry>
|
|---|
| 565 |
|
|---|
| 566 | <varlistentry id="rdev">
|
|---|
| 567 | <term><command>rdev</command></term>
|
|---|
| 568 | <listitem>
|
|---|
| 569 | <para>Queries and sets the root device, among other things, in a
|
|---|
| 570 | bootable image</para>
|
|---|
| 571 | <indexterm zone="ch-system-util-linux rdev">
|
|---|
| 572 | <primary sortas="b-rdev">rdev</primary>
|
|---|
| 573 | </indexterm>
|
|---|
| 574 | </listitem>
|
|---|
| 575 | </varlistentry>
|
|---|
| 576 |
|
|---|
| 577 | <varlistentry id="readprofile">
|
|---|
| 578 | <term><command>readprofile</command></term>
|
|---|
| 579 | <listitem>
|
|---|
| 580 | <para>Reads kernel profiling information</para>
|
|---|
| 581 | <indexterm zone="ch-system-util-linux readprofile">
|
|---|
| 582 | <primary sortas="b-readprofile">readprofile</primary>
|
|---|
| 583 | </indexterm>
|
|---|
| 584 | </listitem>
|
|---|
| 585 | </varlistentry>
|
|---|
| 586 |
|
|---|
| 587 | <varlistentry id="rename">
|
|---|
| 588 | <term><command>rename</command></term>
|
|---|
| 589 | <listitem>
|
|---|
| 590 | <para>Renames the given files, replacing a given string with
|
|---|
| 591 | another</para>
|
|---|
| 592 | <indexterm zone="ch-system-util-linux rename">
|
|---|
| 593 | <primary sortas="b-rename">rename</primary>
|
|---|
| 594 | </indexterm>
|
|---|
| 595 | </listitem>
|
|---|
| 596 | </varlistentry>
|
|---|
| 597 |
|
|---|
| 598 | <varlistentry id="renice">
|
|---|
| 599 | <term><command>renice</command></term>
|
|---|
| 600 | <listitem>
|
|---|
| 601 | <para>Alters the priority of running processes</para>
|
|---|
| 602 | <indexterm zone="ch-system-util-linux renice">
|
|---|
| 603 | <primary sortas="b-renice">renice</primary>
|
|---|
| 604 | </indexterm>
|
|---|
| 605 | </listitem>
|
|---|
| 606 | </varlistentry>
|
|---|
| 607 |
|
|---|
| 608 | <varlistentry id="rev">
|
|---|
| 609 | <term><command>rev</command></term>
|
|---|
| 610 | <listitem>
|
|---|
| 611 | <para>Reverses the lines of a given file</para>
|
|---|
| 612 | <indexterm zone="ch-system-util-linux rev">
|
|---|
| 613 | <primary sortas="b-rev">rev</primary>
|
|---|
| 614 | </indexterm>
|
|---|
| 615 | </listitem>
|
|---|
| 616 | </varlistentry>
|
|---|
| 617 |
|
|---|
| 618 | <varlistentry id="rootflags">
|
|---|
| 619 | <term><command>rootflags</command></term>
|
|---|
| 620 | <listitem>
|
|---|
| 621 | <para>Sets the rootflags in a bootable image</para>
|
|---|
| 622 | <indexterm zone="ch-system-util-linux rootflags">
|
|---|
| 623 | <primary sortas="b-rootflags">rootflags</primary>
|
|---|
| 624 | </indexterm>
|
|---|
| 625 | </listitem>
|
|---|
| 626 | </varlistentry>
|
|---|
| 627 |
|
|---|
| 628 | <varlistentry id="script">
|
|---|
| 629 | <term><command>script</command></term>
|
|---|
| 630 | <listitem>
|
|---|
| 631 | <para>Makes a typescript of a terminal session</para>
|
|---|
| 632 | <indexterm zone="ch-system-util-linux script">
|
|---|
| 633 | <primary sortas="b-script">script</primary>
|
|---|
| 634 | </indexterm>
|
|---|
| 635 | </listitem>
|
|---|
| 636 | </varlistentry>
|
|---|
| 637 |
|
|---|
| 638 | <varlistentry id="setfdprm">
|
|---|
| 639 | <term><command>setfdprm</command></term>
|
|---|
| 640 | <listitem>
|
|---|
| 641 | <para>Sets user-provided floppy disk parameters</para>
|
|---|
| 642 | <indexterm zone="ch-system-util-linux setfdprm">
|
|---|
| 643 | <primary sortas="b-setfdprm">setfdprm</primary>
|
|---|
| 644 | </indexterm>
|
|---|
| 645 | </listitem>
|
|---|
| 646 | </varlistentry>
|
|---|
| 647 |
|
|---|
| 648 | <varlistentry id="setsid">
|
|---|
| 649 | <term><command>setsid</command></term>
|
|---|
| 650 | <listitem>
|
|---|
| 651 | <para>Runs the given program in a new session</para>
|
|---|
| 652 | <indexterm zone="ch-system-util-linux setsid">
|
|---|
| 653 | <primary sortas="b-setsid">setsid</primary>
|
|---|
| 654 | </indexterm>
|
|---|
| 655 | </listitem>
|
|---|
| 656 | </varlistentry>
|
|---|
| 657 |
|
|---|
| 658 | <varlistentry id="setterm">
|
|---|
| 659 | <term><command>setterm</command></term>
|
|---|
| 660 | <listitem>
|
|---|
| 661 | <para>Sets terminal attributes</para>
|
|---|
| 662 | <indexterm zone="ch-system-util-linux setterm">
|
|---|
| 663 | <primary sortas="b-setterm">setterm</primary>
|
|---|
| 664 | </indexterm>
|
|---|
| 665 | </listitem>
|
|---|
| 666 | </varlistentry>
|
|---|
| 667 |
|
|---|
| 668 | <varlistentry id="sfdisk">
|
|---|
| 669 | <term><command>sfdisk</command></term>
|
|---|
| 670 | <listitem>
|
|---|
| 671 | <para>A disk partition table manipulator</para>
|
|---|
| 672 | <indexterm zone="ch-system-util-linux sfdisk">
|
|---|
| 673 | <primary sortas="b-sfdisk">sfdisk</primary>
|
|---|
| 674 | </indexterm>
|
|---|
| 675 | </listitem>
|
|---|
| 676 | </varlistentry>
|
|---|
| 677 |
|
|---|
| 678 | <varlistentry id="swapdev">
|
|---|
| 679 | <term><command>swapdev</command></term>
|
|---|
| 680 | <listitem>
|
|---|
| 681 | <para>Sets the swap device in a bootable image</para>
|
|---|
| 682 | <indexterm zone="ch-system-util-linux swapdev">
|
|---|
| 683 | <primary sortas="b-swapdev">swapdev</primary>
|
|---|
| 684 | </indexterm>
|
|---|
| 685 | </listitem>
|
|---|
| 686 | </varlistentry>
|
|---|
| 687 |
|
|---|
| 688 | <varlistentry id="swapoff">
|
|---|
| 689 | <term><command>swapoff</command></term>
|
|---|
| 690 | <listitem>
|
|---|
| 691 | <para>Disables devices and files for paging and swapping</para>
|
|---|
| 692 | <indexterm zone="ch-system-util-linux swapoff">
|
|---|
| 693 | <primary sortas="b-swapoff">swapoff</primary>
|
|---|
| 694 | </indexterm>
|
|---|
| 695 | </listitem>
|
|---|
| 696 | </varlistentry>
|
|---|
| 697 |
|
|---|
| 698 | <varlistentry id="swapon">
|
|---|
| 699 | <term><command>swapon</command></term>
|
|---|
| 700 | <listitem>
|
|---|
| 701 | <para>Enables devices and files for paging and swapping and
|
|---|
| 702 | lists the devices and files currently in use</para>
|
|---|
| 703 | <indexterm zone="ch-system-util-linux swapon">
|
|---|
| 704 | <primary sortas="b-swapon">swapon</primary>
|
|---|
| 705 | </indexterm>
|
|---|
| 706 | </listitem>
|
|---|
| 707 | </varlistentry>
|
|---|
| 708 |
|
|---|
| 709 | <varlistentry id="tunelp">
|
|---|
| 710 | <term><command>tunelp</command></term>
|
|---|
| 711 | <listitem>
|
|---|
| 712 | <para>Tunes the parameters of the line printer</para>
|
|---|
| 713 | <indexterm zone="ch-system-util-linux tunelp">
|
|---|
| 714 | <primary sortas="b-tunelp">tunelp</primary>
|
|---|
| 715 | </indexterm>
|
|---|
| 716 | </listitem>
|
|---|
| 717 | </varlistentry>
|
|---|
| 718 |
|
|---|
| 719 | <varlistentry id="ul">
|
|---|
| 720 | <term><command>ul</command></term>
|
|---|
| 721 | <listitem>
|
|---|
| 722 | <para>A filter for translating underscores into escape sequences
|
|---|
| 723 | indicating underlining for the terminal in use</para>
|
|---|
| 724 | <indexterm zone="ch-system-util-linux ul">
|
|---|
| 725 | <primary sortas="b-ul">ul</primary>
|
|---|
| 726 | </indexterm>
|
|---|
| 727 | </listitem>
|
|---|
| 728 | </varlistentry>
|
|---|
| 729 |
|
|---|
| 730 | <varlistentry id="umount">
|
|---|
| 731 | <term><command>umount</command></term>
|
|---|
| 732 | <listitem>
|
|---|
| 733 | <para>Disconnects a file system from the system's file tree</para>
|
|---|
| 734 | <indexterm zone="ch-system-util-linux umount">
|
|---|
| 735 | <primary sortas="b-umount">umount</primary>
|
|---|
| 736 | </indexterm>
|
|---|
| 737 | </listitem>
|
|---|
| 738 | </varlistentry>
|
|---|
| 739 |
|
|---|
| 740 | <varlistentry id="vidmode">
|
|---|
| 741 | <term><command>vidmode</command></term>
|
|---|
| 742 | <listitem>
|
|---|
| 743 | <para>Sets the video mode in a bootable image</para>
|
|---|
| 744 | <indexterm zone="ch-system-util-linux vidmode">
|
|---|
| 745 | <primary sortas="b-vidmode">vidmode</primary>
|
|---|
| 746 | </indexterm>
|
|---|
| 747 | </listitem>
|
|---|
| 748 | </varlistentry>
|
|---|
| 749 |
|
|---|
| 750 | <varlistentry id="whereis">
|
|---|
| 751 | <term><command>whereis</command></term>
|
|---|
| 752 | <listitem>
|
|---|
| 753 | <para>Reports the location of the binary, source, and man page
|
|---|
| 754 | for the given command</para>
|
|---|
| 755 | <indexterm zone="ch-system-util-linux whereis">
|
|---|
| 756 | <primary sortas="b-whereis">whereis</primary>
|
|---|
| 757 | </indexterm>
|
|---|
| 758 | </listitem>
|
|---|
| 759 | </varlistentry>
|
|---|
| 760 |
|
|---|
| 761 | <varlistentry id="write">
|
|---|
| 762 | <term><command>write</command></term>
|
|---|
| 763 | <listitem>
|
|---|
| 764 | <para>Sends a message to the given user <emphasis>if</emphasis> that
|
|---|
| 765 | user has not disabled receipt of such messages</para>
|
|---|
| 766 | <indexterm zone="ch-system-util-linux write">
|
|---|
| 767 | <primary sortas="b-write">write</primary>
|
|---|
| 768 | </indexterm>
|
|---|
| 769 | </listitem>
|
|---|
| 770 | </varlistentry>
|
|---|
| 771 |
|
|---|
| 772 | </variablelist>
|
|---|
| 773 |
|
|---|
| 774 | </sect2>
|
|---|
| 775 |
|
|---|
| 776 | </sect1>
|
|---|
