[673b0d8] | 1 | <?xml version="1.0" encoding="ISO-8859-1"?>
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[1fe35e1] | 2 | <!DOCTYPE section [
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[673b0d8] | 3 | <!ENTITY % general-entities SYSTEM "../general.ent">
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| 4 | %general-entities;
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| 5 | ]>
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[1fe35e1] | 6 | <section xmlns="http://docbook.org/docbook-ng"
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| 7 | xml:id="ch-system-util-linux" xreflabel="Util-linux" role="wrap">
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[6a0e6f3] | 8 | <title>Util-linux-&util-linux-version;</title>
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[673b0d8] | 9 | <?dbhtml filename="util-linux.html"?>
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| 10 |
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| 11 | <indexterm zone="ch-system-util-linux"><primary sortas="a-Util-linux">Util-linux</primary></indexterm>
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| 12 |
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[6a0e6f3] | 13 | <section role="package"><title/>
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[673b0d8] | 14 | <para>The Util-linux package contains miscellaneous utility programs. Among
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| 15 | them are utilities for handling file systems, consoles, partitions, and
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| 16 | messages.</para>
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| 17 |
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[a001133] | 18 | <segmentedlist>
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| 19 | <segtitle>&buildtime;</segtitle>
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| 20 | <segtitle>&diskspace;</segtitle>
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| 21 | <seglistitem><seg>0.2 SBU</seg><seg>16 MB</seg></seglistitem>
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| 22 | </segmentedlist>
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[673b0d8] | 23 |
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[a001133] | 24 | <segmentedlist>
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| 25 | <segtitle>Util-linux installation depends on</segtitle>
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| 26 | <seglistitem><seg>Bash, Binutils, Coreutils,
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| 27 | Diffutils, GCC, Gettext, Glibc, Grep, Make, Ncurses, Sed, Zlib</seg></seglistitem>
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| 28 | </segmentedlist>
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[1fe35e1] | 29 | </section>
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[673b0d8] | 30 |
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[1fe35e1] | 31 | <section role="installation">
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[6a0e6f3] | 32 | <title>FHS compliance notes</title>
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[673b0d8] | 33 |
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[8ad7980] | 34 | <para>The FHS recommends that we use <filename class="directory">/var/lib/hwclock</filename>,
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| 35 | instead of the usual <filename class="directory">/etc</filename>, as the location for the
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[673b0d8] | 36 | <filename>adjtime</filename> file. To make the <command>hwclock</command>
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| 37 | program FHS-compliant, run the following:</para>
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| 38 |
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[2ec4b60] | 39 | <screen><userinput>sed -i 's@etc/adjtime@var/lib/hwclock/adjtime@g' hwclock/hwclock.c
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[673b0d8] | 40 | mkdir -p /var/lib/hwclock</userinput></screen>
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| 41 |
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[1fe35e1] | 42 | </section>
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[673b0d8] | 43 |
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[1fe35e1] | 44 | <section role="installation">
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[6a0e6f3] | 45 | <title>Installation of Util-linux</title>
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[673b0d8] | 46 |
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[b457a1d] | 47 | <para>Util-Linux has a coding problem that causes mis-compilation of the sfdisk
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| 48 | program. This patch fixes the problem:</para>
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| 49 |
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[673b0d8] | 50 | <para>Prepare Util-linux for compilation:</para>
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| 51 |
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| 52 | <screen><userinput>./configure</userinput></screen>
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| 53 |
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| 54 | <para>Compile the package:</para>
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| 55 |
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| 56 | <screen><userinput>make HAVE_KILL=yes HAVE_SLN=yes</userinput></screen>
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| 57 |
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| 58 | <para>The meaning of the make parameters:</para>
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| 59 |
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[df8334f] | 60 | <variablelist>
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| 61 | <varlistentry>
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[8ad7980] | 62 | <term><parameter>HAVE_KILL=yes</parameter></term>
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[df8334f] | 63 | <listitem><para>This prevents the
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[673b0d8] | 64 | <command>kill</command> program (already installed by Procps) from being
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| 65 | built and installed again.</para></listitem>
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[df8334f] | 66 | </varlistentry>
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[673b0d8] | 67 |
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[df8334f] | 68 | <varlistentry>
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[8ad7980] | 69 | <term><parameter>HAVE_SLN=yes</parameter></term>
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[df8334f] | 70 | <listitem><para>This prevents the
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[673b0d8] | 71 | <command>sln</command> program (a statically linked
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| 72 | <command>ln</command> already installed by Glibc) from being built and
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| 73 | installed again.</para></listitem>
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[df8334f] | 74 | </varlistentry>
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| 75 | </variablelist>
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[673b0d8] | 76 |
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| 77 | <para>Now install the package:</para>
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| 78 |
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| 79 | <screen><userinput>make HAVE_KILL=yes HAVE_SLN=yes install</userinput></screen>
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| 80 |
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[1fe35e1] | 81 | </section>
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[673b0d8] | 82 |
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| 83 |
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[6a0e6f3] | 84 | <section xml:id="contents-utillinux" role="content"><title>Contents of Util-linux</title>
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[673b0d8] | 85 |
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[c6cb3aa] | 86 | <segmentedlist>
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| 87 | <segtitle>Installed programs</segtitle>
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| 88 | <seglistitem><seg>agetty, arch, blockdev, cal, cfdisk, chkdupexe, col, colcrt,
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| 89 | colrm, column, ctrlaltdel, cytune, ddate, dmesg, elvtune, fdformat, fdisk,
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| 90 | fsck.cramfs, fsck.minix, getopt, hexdump, hwclock, ipcrm, ipcs, isosize, line,
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| 91 | logger, look, losetup, mcookie, mkfs, mkfs.bfs, mkfs.cramfs, mkfs.minix, mkswap,
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| 92 | more, mount, namei, pg, pivot_root, ramsize (link to rdev), raw, rdev, readprofile,
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| 93 | rename, renice, rev, rootflags (link to rdev), script, setfdprm, setsid, setterm,
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| 94 | sfdisk, swapoff (link to swapon), swapon, tunelp, ul, umount, vidmode (link to rdev),
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| 95 | whereis and write</seg></seglistitem>
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| 96 | </segmentedlist>
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[673b0d8] | 97 |
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[c6cb3aa] | 98 | <variablelist><title>Short descriptions</title>
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[673b0d8] | 99 |
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[1fe35e1] | 100 | <varlistentry xml:id="agetty">
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[b8a819f] | 101 | <term><command>agetty</command></term>
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[c6cb3aa] | 102 | <listitem>
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[673b0d8] | 103 | <indexterm zone="ch-system-util-linux agetty"><primary sortas="b-agetty">agetty</primary></indexterm>
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[c6cb3aa] | 104 | <para>opens a tty port, prompts for a login name,
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[8ad7980] | 105 | and then invokes the <command>login</command> program.</para>
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[c6cb3aa] | 106 | </listitem>
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| 107 | </varlistentry>
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[673b0d8] | 108 |
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[1fe35e1] | 109 | <varlistentry xml:id="arch">
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[b8a819f] | 110 | <term><command>arch</command></term>
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[c6cb3aa] | 111 | <listitem>
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[673b0d8] | 112 | <indexterm zone="ch-system-util-linux arch"><primary sortas="b-arch">arch</primary></indexterm>
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[c6cb3aa] | 113 | <para>reports the machine's architecture.</para>
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| 114 | </listitem>
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| 115 | </varlistentry>
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[673b0d8] | 116 |
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[1fe35e1] | 117 | <varlistentry xml:id="blockdev">
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[b8a819f] | 118 | <term><command>blockdev</command></term>
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[c6cb3aa] | 119 | <listitem>
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[673b0d8] | 120 | <indexterm zone="ch-system-util-linux blockdev"><primary sortas="b-blockdev">blockdev</primary></indexterm>
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[c6cb3aa] | 121 | <para>allows you to call block device ioctls from the command line.</para>
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| 122 | </listitem>
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| 123 | </varlistentry>
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[673b0d8] | 124 |
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[1fe35e1] | 125 | <varlistentry xml:id="cal">
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[b8a819f] | 126 | <term><command>cal</command></term>
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[c6cb3aa] | 127 | <listitem>
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[673b0d8] | 128 | <indexterm zone="ch-system-util-linux cal"><primary sortas="b-cal">cal</primary></indexterm>
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[c6cb3aa] | 129 | <para>displays a simple calendar.</para>
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| 130 | </listitem>
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| 131 | </varlistentry>
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[673b0d8] | 132 |
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[1fe35e1] | 133 | <varlistentry xml:id="cfdisk">
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[b8a819f] | 134 | <term><command>cfdisk</command></term>
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[c6cb3aa] | 135 | <listitem>
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[673b0d8] | 136 | <indexterm zone="ch-system-util-linux cfdisk"><primary sortas="b-cfdisk">cfdisk</primary></indexterm>
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[c6cb3aa] | 137 | <para>is used to manipulate the partition table of the given device.</para>
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| 138 | </listitem>
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| 139 | </varlistentry>
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[673b0d8] | 140 |
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[1fe35e1] | 141 | <varlistentry xml:id="chkdupexe">
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[b8a819f] | 142 | <term><command>chkdupexe</command></term>
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[c6cb3aa] | 143 | <listitem>
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[673b0d8] | 144 | <indexterm zone="ch-system-util-linux chkdupexe"><primary sortas="b-chkdupexe">chkdupexe</primary></indexterm>
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[c6cb3aa] | 145 | <para>finds duplicate executables.</para>
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| 146 | </listitem>
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| 147 | </varlistentry>
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[673b0d8] | 148 |
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[1fe35e1] | 149 | <varlistentry xml:id="col">
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[b8a819f] | 150 | <term><command>col</command></term>
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[c6cb3aa] | 151 | <listitem>
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[673b0d8] | 152 | <indexterm zone="ch-system-util-linux col"><primary sortas="b-col">col</primary></indexterm>
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[c6cb3aa] | 153 | <para>filters out reverse line feeds.</para>
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| 154 | </listitem>
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| 155 | </varlistentry>
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[673b0d8] | 156 |
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[1fe35e1] | 157 | <varlistentry xml:id="colcrt">
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[b8a819f] | 158 | <term><command>colcrt</command></term>
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[c6cb3aa] | 159 | <listitem>
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[673b0d8] | 160 | <indexterm zone="ch-system-util-linux colcrt"><primary sortas="b-colcrt">colcrt</primary></indexterm>
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[c6cb3aa] | 161 | <para>is used to filter nroff output for terminals
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[673b0d8] | 162 | that lack some capabilities such as overstriking and half-lines.</para>
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[c6cb3aa] | 163 | </listitem>
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| 164 | </varlistentry>
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[673b0d8] | 165 |
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[1fe35e1] | 166 | <varlistentry xml:id="colrm">
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[b8a819f] | 167 | <term><command>colrm</command></term>
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[c6cb3aa] | 168 | <listitem>
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[673b0d8] | 169 | <indexterm zone="ch-system-util-linux colrm"><primary sortas="b-colrm">colrm</primary></indexterm>
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[c6cb3aa] | 170 | <para>filters out the given columns.</para>
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| 171 | </listitem>
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| 172 | </varlistentry>
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[673b0d8] | 173 |
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[1fe35e1] | 174 | <varlistentry xml:id="column">
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[b8a819f] | 175 | <term><command>column</command></term>
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[c6cb3aa] | 176 | <listitem>
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[673b0d8] | 177 | <indexterm zone="ch-system-util-linux column"><primary sortas="b-column">column</primary></indexterm>
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[c6cb3aa] | 178 | <para>formats a given file into multiple columns.</para>
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| 179 | </listitem>
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| 180 | </varlistentry>
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[673b0d8] | 181 |
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[1fe35e1] | 182 | <varlistentry xml:id="ctrlaltdel">
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[b8a819f] | 183 | <term><command>ctrlaltdel</command></term>
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[c6cb3aa] | 184 | <listitem>
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[673b0d8] | 185 | <indexterm zone="ch-system-util-linux ctrlaltdel"><primary sortas="b-ctrlaltdel">ctrlaltdel</primary></indexterm>
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[c6cb3aa] | 186 | <para>sets the function of the Ctrl+Alt+Del key combination to a hard or a
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| 187 | soft reset.</para>
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| 188 | </listitem>
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| 189 | </varlistentry>
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| 190 |
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[1fe35e1] | 191 | <varlistentry xml:id="cytune">
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[b8a819f] | 192 | <term><command>cytune</command></term>
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[c6cb3aa] | 193 | <listitem>
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[673b0d8] | 194 | <indexterm zone="ch-system-util-linux cytune"><primary sortas="b-cytune">cytune</primary></indexterm>
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[c6cb3aa] | 195 | <para>was used to tune the parameters of the
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[673b0d8] | 196 | serial line drivers for Cyclades cards.</para>
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[c6cb3aa] | 197 | </listitem>
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| 198 | </varlistentry>
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[673b0d8] | 199 |
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[1fe35e1] | 200 | <varlistentry xml:id="ddate">
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[b8a819f] | 201 | <term><command>ddate</command></term>
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[c6cb3aa] | 202 | <listitem>
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[673b0d8] | 203 | <indexterm zone="ch-system-util-linux ddate"><primary sortas="b-ddate">ddate</primary></indexterm>
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[c6cb3aa] | 204 | <para>gives the Discordian date, or converts the
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[673b0d8] | 205 | given Gregorian date to a Discordian one.</para>
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[c6cb3aa] | 206 | </listitem>
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| 207 | </varlistentry>
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[673b0d8] | 208 |
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[1fe35e1] | 209 | <varlistentry xml:id="dmesg">
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[b8a819f] | 210 | <term><command>dmesg</command></term>
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[c6cb3aa] | 211 | <listitem>
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[673b0d8] | 212 | <indexterm zone="ch-system-util-linux dmesg"><primary sortas="b-dmesg">dmesg</primary></indexterm>
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[c6cb3aa] | 213 | <para>dumps the kernel boot messages.</para>
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| 214 | </listitem>
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| 215 | </varlistentry>
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[673b0d8] | 216 |
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[1fe35e1] | 217 | <varlistentry xml:id="elvtune">
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[b8a819f] | 218 | <term><command>elvtune</command></term>
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[c6cb3aa] | 219 | <listitem>
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[673b0d8] | 220 | <indexterm zone="ch-system-util-linux elvtune"><primary sortas="b-elvtune">elvtune</primary></indexterm>
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[c6cb3aa] | 221 | <para>can be used to tune the performance
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[673b0d8] | 222 | and interactivity of a block device.</para>
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[c6cb3aa] | 223 | </listitem>
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| 224 | </varlistentry>
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[673b0d8] | 225 |
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[1fe35e1] | 226 | <varlistentry xml:id="fdformat">
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[b8a819f] | 227 | <term><command>fdformat</command></term>
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[c6cb3aa] | 228 | <listitem>
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[673b0d8] | 229 | <indexterm zone="ch-system-util-linux fdformat"><primary sortas="b-fdformat">fdformat</primary></indexterm>
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[c6cb3aa] | 230 | <para>low-level formats a floppy disk.</para>
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| 231 | </listitem>
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| 232 | </varlistentry>
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[673b0d8] | 233 |
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[1fe35e1] | 234 | <varlistentry xml:id="fdisk">
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[b8a819f] | 235 | <term><command>fdisk</command></term>
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[c6cb3aa] | 236 | <listitem>
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[673b0d8] | 237 | <indexterm zone="ch-system-util-linux fdisk"><primary sortas="b-fdisk">fdisk</primary></indexterm>
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[c6cb3aa] | 238 | <para>could be used to manipulate the partition table of the given device.</para>
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| 239 | </listitem>
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| 240 | </varlistentry>
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[673b0d8] | 241 |
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[1fe35e1] | 242 | <varlistentry xml:id="fsck.cramfs">
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[b8a819f] | 243 | <term><command>fsck.cramfs</command></term>
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[c6cb3aa] | 244 | <listitem>
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[673b0d8] | 245 | <indexterm zone="ch-system-util-linux fsck.cramfs"><primary sortas="b-fsck.cramfs">fsck.cramfs</primary></indexterm>
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[c6cb3aa] | 246 | <para>performs a consistency check on the
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[673b0d8] | 247 | Cramfs file system on the given device.</para>
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[c6cb3aa] | 248 | </listitem>
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| 249 | </varlistentry>
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[673b0d8] | 250 |
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[1fe35e1] | 251 | <varlistentry xml:id="fsck.minix">
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[b8a819f] | 252 | <term><command>fsck.minix</command></term>
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[c6cb3aa] | 253 | <listitem>
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[673b0d8] | 254 | <indexterm zone="ch-system-util-linux fsck.minix"><primary sortas="b-fsck.minix">fsck.minix</primary></indexterm>
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[c6cb3aa] | 255 | <para>performs a consistency check on the
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[673b0d8] | 256 | Minix file system on the given device.</para>
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[c6cb3aa] | 257 | </listitem>
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| 258 | </varlistentry>
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[673b0d8] | 259 |
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[1fe35e1] | 260 | <varlistentry xml:id="getopt">
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[b8a819f] | 261 | <term><command>getopt</command></term>
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[c6cb3aa] | 262 | <listitem>
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[673b0d8] | 263 | <indexterm zone="ch-system-util-linux getopt"><primary sortas="b-getopt">getopt</primary></indexterm>
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[c6cb3aa] | 264 | <para>parses options in the given command line.</para>
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| 265 | </listitem>
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| 266 | </varlistentry>
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[673b0d8] | 267 |
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[1fe35e1] | 268 | <varlistentry xml:id="hexdump">
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[b8a819f] | 269 | <term><command>hexdump</command></term>
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[c6cb3aa] | 270 | <listitem>
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[673b0d8] | 271 | <indexterm zone="ch-system-util-linux hexdump"><primary sortas="b-hexdump">hexdump</primary></indexterm>
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[c6cb3aa] | 272 | <para>dumps the given file in hexadecimal, or in another given format.</para>
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| 273 | </listitem>
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| 274 | </varlistentry>
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[673b0d8] | 275 |
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[1fe35e1] | 276 | <varlistentry xml:id="hwclock">
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[b8a819f] | 277 | <term><command>hwclock</command></term>
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[c6cb3aa] | 278 | <listitem>
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[673b0d8] | 279 | <indexterm zone="ch-system-util-linux hwclock"><primary sortas="b-hwclock">hwclock</primary></indexterm>
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[c6cb3aa] | 280 | <para>is used to read or set the system's hardware clock, also called the RTC
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| 281 | (Real-Time Clock) or BIOS (Basic Input-Output System) clock.</para>
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| 282 | </listitem>
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| 283 | </varlistentry>
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| 284 |
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[1fe35e1] | 285 | <varlistentry xml:id="ipcrm">
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[b8a819f] | 286 | <term><command>ipcrm</command></term>
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[c6cb3aa] | 287 | <listitem>
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[673b0d8] | 288 | <indexterm zone="ch-system-util-linux ipcrm"><primary sortas="b-ipcrm">ipcrm</primary></indexterm>
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[c6cb3aa] | 289 | <para>removes the given IPC resource.</para>
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| 290 | </listitem>
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| 291 | </varlistentry>
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[673b0d8] | 292 |
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[1fe35e1] | 293 | <varlistentry xml:id="ipcs">
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[b8a819f] | 294 | <term><command>ipcs</command></term>
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[c6cb3aa] | 295 | <listitem>
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[673b0d8] | 296 | <indexterm zone="ch-system-util-linux ipcs"><primary sortas="b-ipcs">ipcs</primary></indexterm>
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[c6cb3aa] | 297 | <para>provides IPC status information.</para>
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| 298 | </listitem>
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| 299 | </varlistentry>
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[673b0d8] | 300 |
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[1fe35e1] | 301 | <varlistentry xml:id="isosize">
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[b8a819f] | 302 | <term><command>isosize</command></term>
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[c6cb3aa] | 303 | <listitem>
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[673b0d8] | 304 | <indexterm zone="ch-system-util-linux isosize"><primary sortas="b-isosize">isosize</primary></indexterm>
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[c6cb3aa] | 305 | <para>reports the size of an iso9660 file system.</para>
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| 306 | </listitem>
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| 307 | </varlistentry>
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[673b0d8] | 308 |
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[1fe35e1] | 309 | <varlistentry xml:id="line">
|
---|
[b8a819f] | 310 | <term><command>line</command></term>
|
---|
[c6cb3aa] | 311 | <listitem>
|
---|
[673b0d8] | 312 | <indexterm zone="ch-system-util-linux line"><primary sortas="b-line">line</primary></indexterm>
|
---|
[c6cb3aa] | 313 | <para>copies a single line.</para>
|
---|
| 314 | </listitem>
|
---|
| 315 | </varlistentry>
|
---|
[673b0d8] | 316 |
|
---|
[1fe35e1] | 317 | <varlistentry xml:id="logger">
|
---|
[b8a819f] | 318 | <term><command>logger</command></term>
|
---|
[c6cb3aa] | 319 | <listitem>
|
---|
[673b0d8] | 320 | <indexterm zone="ch-system-util-linux logger"><primary sortas="b-logger">logger</primary></indexterm>
|
---|
[c6cb3aa] | 321 | <para>enters the given message into the system log.</para>
|
---|
| 322 | </listitem>
|
---|
| 323 | </varlistentry>
|
---|
[673b0d8] | 324 |
|
---|
[1fe35e1] | 325 | <varlistentry xml:id="look">
|
---|
[b8a819f] | 326 | <term><command>look</command></term>
|
---|
[c6cb3aa] | 327 | <listitem>
|
---|
[673b0d8] | 328 | <indexterm zone="ch-system-util-linux look"><primary sortas="b-look">look</primary></indexterm>
|
---|
[c6cb3aa] | 329 | <para>displays lines that begin with the given string.</para>
|
---|
| 330 | </listitem>
|
---|
| 331 | </varlistentry>
|
---|
[673b0d8] | 332 |
|
---|
[1fe35e1] | 333 | <varlistentry xml:id="losetup">
|
---|
[b8a819f] | 334 | <term><command>losetup</command></term>
|
---|
[c6cb3aa] | 335 | <listitem>
|
---|
[673b0d8] | 336 | <indexterm zone="ch-system-util-linux losetup"><primary sortas="b-losetup">losetup</primary></indexterm>
|
---|
[c6cb3aa] | 337 | <para>is used to set up and control loop devices.</para>
|
---|
| 338 | </listitem>
|
---|
| 339 | </varlistentry>
|
---|
[673b0d8] | 340 |
|
---|
[1fe35e1] | 341 | <varlistentry xml:id="mcookie">
|
---|
[b8a819f] | 342 | <term><command>mcookie</command></term>
|
---|
[c6cb3aa] | 343 | <listitem>
|
---|
[673b0d8] | 344 | <indexterm zone="ch-system-util-linux mcookie"><primary sortas="b-mcookie">mcookie</primary></indexterm>
|
---|
[c6cb3aa] | 345 | <para>generates magic cookies, 128-bit random hexadecimal numbers,
|
---|
[8ad7980] | 346 | for <command>xauth</command>.</para>
|
---|
[c6cb3aa] | 347 | </listitem>
|
---|
| 348 | </varlistentry>
|
---|
| 349 |
|
---|
[1fe35e1] | 350 | <varlistentry xml:id="mkfs">
|
---|
[b8a819f] | 351 | <term><command>mkfs</command></term>
|
---|
[c6cb3aa] | 352 | <listitem>
|
---|
[673b0d8] | 353 | <indexterm zone="ch-system-util-linux mkfs"><primary sortas="b-mkfs">mkfs</primary></indexterm>
|
---|
[c6cb3aa] | 354 | <para>is used to build a file system on a device
|
---|
[673b0d8] | 355 | (usually a hard disk partition).</para>
|
---|
[c6cb3aa] | 356 | </listitem>
|
---|
| 357 | </varlistentry>
|
---|
[673b0d8] | 358 |
|
---|
[1fe35e1] | 359 | <varlistentry xml:id="mkfs.bfs">
|
---|
[b8a819f] | 360 | <term><command>mkfs.bfs</command></term>
|
---|
[c6cb3aa] | 361 | <listitem>
|
---|
[673b0d8] | 362 | <indexterm zone="ch-system-util-linux mkfs.bfs"><primary sortas="b-mkfs.bfs">mkfs.bfs</primary></indexterm>
|
---|
[c6cb3aa] | 363 | <para>creates an SCO (Santa Cruz Operations) bfs file system.</para>
|
---|
| 364 | </listitem>
|
---|
| 365 | </varlistentry>
|
---|
[673b0d8] | 366 |
|
---|
[1fe35e1] | 367 | <varlistentry xml:id="mkfs.cramfs">
|
---|
[b8a819f] | 368 | <term><command>mkfs.cramfs</command></term>
|
---|
[c6cb3aa] | 369 | <listitem>
|
---|
[673b0d8] | 370 | <indexterm zone="ch-system-util-linux mkfs.cramfs"><primary sortas="b-mkfs.cramfs">mkfs.cramfs</primary></indexterm>
|
---|
[c6cb3aa] | 371 | <para>creates a cramfs file system.</para>
|
---|
| 372 | </listitem>
|
---|
| 373 | </varlistentry>
|
---|
[673b0d8] | 374 |
|
---|
[1fe35e1] | 375 | <varlistentry xml:id="mkfs.minix">
|
---|
[b8a819f] | 376 | <term><command>mkfs.minix</command></term>
|
---|
[c6cb3aa] | 377 | <listitem>
|
---|
[673b0d8] | 378 | <indexterm zone="ch-system-util-linux mkfs.minix"><primary sortas="b-mkfs.minix">mkfs.minix</primary></indexterm>
|
---|
[c6cb3aa] | 379 | <para>creates a Minix file system.</para>
|
---|
| 380 | </listitem>
|
---|
| 381 | </varlistentry>
|
---|
[673b0d8] | 382 |
|
---|
[1fe35e1] | 383 | <varlistentry xml:id="mkswap">
|
---|
[b8a819f] | 384 | <term><command>mkswap</command></term>
|
---|
[c6cb3aa] | 385 | <listitem>
|
---|
[673b0d8] | 386 | <indexterm zone="ch-system-util-linux mkswap"><primary sortas="b-mkswap">mkswap</primary></indexterm>
|
---|
[c6cb3aa] | 387 | <para>initializes the given device or file to be used as a swap area.</para>
|
---|
| 388 | </listitem>
|
---|
| 389 | </varlistentry>
|
---|
[673b0d8] | 390 |
|
---|
[1fe35e1] | 391 | <varlistentry xml:id="more">
|
---|
[b8a819f] | 392 | <term><command>more</command></term>
|
---|
[c6cb3aa] | 393 | <listitem>
|
---|
[673b0d8] | 394 | <indexterm zone="ch-system-util-linux more"><primary sortas="b-more">more</primary></indexterm>
|
---|
[c6cb3aa] | 395 | <para>is a filter for paging through text one
|
---|
[8ad7980] | 396 | screen full at a time. But <command>less</command> is much better.</para>
|
---|
[c6cb3aa] | 397 | </listitem>
|
---|
| 398 | </varlistentry>
|
---|
[673b0d8] | 399 |
|
---|
[1fe35e1] | 400 | <varlistentry xml:id="mount">
|
---|
[b8a819f] | 401 | <term><command>mount</command></term>
|
---|
[c6cb3aa] | 402 | <listitem>
|
---|
[673b0d8] | 403 | <indexterm zone="ch-system-util-linux mount"><primary sortas="b-mount">mount</primary></indexterm>
|
---|
[c6cb3aa] | 404 | <para>attaches the file system on the given device to a specified directory (thus
|
---|
| 405 | hiding the contents of that directory) in the file-system tree.</para>
|
---|
| 406 | </listitem>
|
---|
| 407 | </varlistentry>
|
---|
| 408 |
|
---|
[1fe35e1] | 409 | <varlistentry xml:id="namei">
|
---|
[b8a819f] | 410 | <term><command>namei</command></term>
|
---|
[c6cb3aa] | 411 | <listitem>
|
---|
[673b0d8] | 412 | <indexterm zone="ch-system-util-linux namei"><primary sortas="b-namei">namei</primary></indexterm>
|
---|
[c6cb3aa] | 413 | <para>shows the symbolic links in the given pathnames.</para>
|
---|
| 414 | </listitem>
|
---|
| 415 | </varlistentry>
|
---|
[673b0d8] | 416 |
|
---|
[1fe35e1] | 417 | <varlistentry xml:id="pg">
|
---|
[b8a819f] | 418 | <term><command>pg</command></term>
|
---|
[c6cb3aa] | 419 | <listitem>
|
---|
[673b0d8] | 420 | <indexterm zone="ch-system-util-linux pg"><primary sortas="b-pg">pg</primary></indexterm>
|
---|
[c6cb3aa] | 421 | <para>displays a text file one screen full at a time.</para>
|
---|
| 422 | </listitem>
|
---|
| 423 | </varlistentry>
|
---|
[673b0d8] | 424 |
|
---|
[1fe35e1] | 425 | <varlistentry xml:id="pivot_root">
|
---|
[b8a819f] | 426 | <term><command>pivot_root</command></term>
|
---|
[c6cb3aa] | 427 | <listitem>
|
---|
[673b0d8] | 428 | <indexterm zone="ch-system-util-linux pivot_root"><primary sortas="b-pivot_root">pivot_root</primary></indexterm>
|
---|
[c6cb3aa] | 429 | <para>makes the given file system the new
|
---|
[673b0d8] | 430 | root file system of the current process.</para>
|
---|
[c6cb3aa] | 431 | </listitem>
|
---|
| 432 | </varlistentry>
|
---|
[673b0d8] | 433 |
|
---|
[1fe35e1] | 434 | <varlistentry xml:id="ramsize">
|
---|
[b8a819f] | 435 | <term><command>ramsize</command></term>
|
---|
[c6cb3aa] | 436 | <listitem>
|
---|
[673b0d8] | 437 | <indexterm zone="ch-system-util-linux ramsize"><primary sortas="b-ramsize">ramsize</primary></indexterm>
|
---|
[c6cb3aa] | 438 | <para>is used to set the size of the RAM disk in a bootable image.</para>
|
---|
| 439 | </listitem>
|
---|
| 440 | </varlistentry>
|
---|
[673b0d8] | 441 |
|
---|
[1fe35e1] | 442 | <varlistentry xml:id="rdev">
|
---|
[b8a819f] | 443 | <term><command>rdev</command></term>
|
---|
[c6cb3aa] | 444 | <listitem>
|
---|
[673b0d8] | 445 | <indexterm zone="ch-system-util-linux rdev"><primary sortas="b-rdev">rdev</primary></indexterm>
|
---|
[c6cb3aa] | 446 | <para>is used to query and set the root
|
---|
[673b0d8] | 447 | device and other things in a bootable image.</para>
|
---|
[c6cb3aa] | 448 | </listitem>
|
---|
| 449 | </varlistentry>
|
---|
[673b0d8] | 450 |
|
---|
[1fe35e1] | 451 | <varlistentry xml:id="readprofile">
|
---|
[b8a819f] | 452 | <term><command>readprofile</command></term>
|
---|
[c6cb3aa] | 453 | <listitem>
|
---|
[673b0d8] | 454 | <indexterm zone="ch-system-util-linux readprofile"><primary sortas="b-readprofile">readprofile</primary></indexterm>
|
---|
[c6cb3aa] | 455 | <para>reads kernel profiling information.</para>
|
---|
| 456 | </listitem>
|
---|
| 457 | </varlistentry>
|
---|
[673b0d8] | 458 |
|
---|
[1fe35e1] | 459 | <varlistentry xml:id="rename">
|
---|
[b8a819f] | 460 | <term><command>rename</command></term>
|
---|
[c6cb3aa] | 461 | <listitem>
|
---|
[673b0d8] | 462 | <indexterm zone="ch-system-util-linux rename"><primary sortas="b-rename">rename</primary></indexterm>
|
---|
[c6cb3aa] | 463 | <para>renames the given files, replacing a given string with another.</para>
|
---|
| 464 | </listitem>
|
---|
| 465 | </varlistentry>
|
---|
[673b0d8] | 466 |
|
---|
[1fe35e1] | 467 | <varlistentry xml:id="renice">
|
---|
[b8a819f] | 468 | <term><command>renice</command></term>
|
---|
[c6cb3aa] | 469 | <listitem>
|
---|
[673b0d8] | 470 | <indexterm zone="ch-system-util-linux renice"><primary sortas="b-renice">renice</primary></indexterm>
|
---|
[c6cb3aa] | 471 | <para>is used to alter the priority of running processes.</para>
|
---|
| 472 | </listitem>
|
---|
| 473 | </varlistentry>
|
---|
[673b0d8] | 474 |
|
---|
[1fe35e1] | 475 | <varlistentry xml:id="rev">
|
---|
[b8a819f] | 476 | <term><command>rev</command></term>
|
---|
[c6cb3aa] | 477 | <listitem>
|
---|
[673b0d8] | 478 | <indexterm zone="ch-system-util-linux rev"><primary sortas="b-rev">rev</primary></indexterm>
|
---|
[c6cb3aa] | 479 | <para>reverses the lines of a given file.</para>
|
---|
| 480 | </listitem>
|
---|
| 481 | </varlistentry>
|
---|
[673b0d8] | 482 |
|
---|
[1fe35e1] | 483 | <varlistentry xml:id="rootflags">
|
---|
[b8a819f] | 484 | <term><command>rootflags</command></term>
|
---|
[c6cb3aa] | 485 | <listitem>
|
---|
[673b0d8] | 486 | <indexterm zone="ch-system-util-linux rootflags"><primary sortas="b-rootflags">rootflags</primary></indexterm>
|
---|
[c6cb3aa] | 487 | <para>is used to set the rootflags in a bootable image.</para>
|
---|
| 488 | </listitem>
|
---|
| 489 | </varlistentry>
|
---|
[673b0d8] | 490 |
|
---|
[1fe35e1] | 491 | <varlistentry xml:id="script">
|
---|
[b8a819f] | 492 | <term><command>script</command></term>
|
---|
[c6cb3aa] | 493 | <listitem>
|
---|
[673b0d8] | 494 | <indexterm zone="ch-system-util-linux script"><primary sortas="b-script">script</primary></indexterm>
|
---|
[c6cb3aa] | 495 | <para>makes a typescript of a terminal session, of everything printed to
|
---|
| 496 | the terminal.</para>
|
---|
| 497 | </listitem>
|
---|
| 498 | </varlistentry>
|
---|
| 499 |
|
---|
[1fe35e1] | 500 | <varlistentry xml:id="setfdprm">
|
---|
[b8a819f] | 501 | <term><command>setfdprm</command></term>
|
---|
[c6cb3aa] | 502 | <listitem>
|
---|
[673b0d8] | 503 | <indexterm zone="ch-system-util-linux setfdprm"><primary sortas="b-setfdprm">setfdprm</primary></indexterm>
|
---|
[c6cb3aa] | 504 | <para>sets user-provided floppy disk parameters.</para>
|
---|
| 505 | </listitem>
|
---|
| 506 | </varlistentry>
|
---|
[673b0d8] | 507 |
|
---|
[1fe35e1] | 508 | <varlistentry xml:id="setsid">
|
---|
[b8a819f] | 509 | <term><command>setsid</command></term>
|
---|
[c6cb3aa] | 510 | <listitem>
|
---|
[673b0d8] | 511 | <indexterm zone="ch-system-util-linux setsid"><primary sortas="b-setsid">setsid</primary></indexterm>
|
---|
[c6cb3aa] | 512 | <para>runs the given program in a new session.</para>
|
---|
| 513 | </listitem>
|
---|
| 514 | </varlistentry>
|
---|
[673b0d8] | 515 |
|
---|
[1fe35e1] | 516 | <varlistentry xml:id="setterm">
|
---|
[b8a819f] | 517 | <term><command>setterm</command></term>
|
---|
[c6cb3aa] | 518 | <listitem>
|
---|
[673b0d8] | 519 | <indexterm zone="ch-system-util-linux setterm"><primary sortas="b-setterm">setterm</primary></indexterm>
|
---|
[c6cb3aa] | 520 | <para>is used to set terminal attributes.</para>
|
---|
| 521 | </listitem>
|
---|
| 522 | </varlistentry>
|
---|
[673b0d8] | 523 |
|
---|
[1fe35e1] | 524 | <varlistentry xml:id="sfdisk">
|
---|
[b8a819f] | 525 | <term><command>sfdisk</command></term>
|
---|
[c6cb3aa] | 526 | <listitem>
|
---|
[673b0d8] | 527 | <indexterm zone="ch-system-util-linux sfdisk"><primary sortas="b-sfdisk">sfdisk</primary></indexterm>
|
---|
[c6cb3aa] | 528 | <para>is a disk partition table manipulator.</para>
|
---|
| 529 | </listitem>
|
---|
| 530 | </varlistentry>
|
---|
[673b0d8] | 531 |
|
---|
[1fe35e1] | 532 | <varlistentry xml:id="swapdev">
|
---|
[b8a819f] | 533 | <term><command>swapdev</command></term>
|
---|
[c6cb3aa] | 534 | <listitem>
|
---|
[673b0d8] | 535 | <indexterm zone="ch-system-util-linux swapdev"><primary sortas="b-swapdev">swapdev</primary></indexterm>
|
---|
[c6cb3aa] | 536 | <para>is used to set the swap device in a bootable image.</para>
|
---|
| 537 | </listitem>
|
---|
| 538 | </varlistentry>
|
---|
[673b0d8] | 539 |
|
---|
[1fe35e1] | 540 | <varlistentry xml:id="swapoff">
|
---|
[b8a819f] | 541 | <term><command>swapoff</command></term>
|
---|
[c6cb3aa] | 542 | <listitem>
|
---|
[673b0d8] | 543 | <indexterm zone="ch-system-util-linux swapoff"><primary sortas="b-swapoff">swapoff</primary></indexterm>
|
---|
[c6cb3aa] | 544 | <para>disables devices and files for paging and swapping.</para>
|
---|
| 545 | </listitem>
|
---|
| 546 | </varlistentry>
|
---|
[673b0d8] | 547 |
|
---|
[1fe35e1] | 548 | <varlistentry xml:id="swapon">
|
---|
[b8a819f] | 549 | <term><command>swapon</command></term>
|
---|
[c6cb3aa] | 550 | <listitem>
|
---|
[673b0d8] | 551 | <indexterm zone="ch-system-util-linux swapon"><primary sortas="b-swapon">swapon</primary></indexterm>
|
---|
[c6cb3aa] | 552 | <para>enables devices and files for paging and swapping.</para>
|
---|
| 553 | </listitem>
|
---|
| 554 | </varlistentry>
|
---|
[673b0d8] | 555 |
|
---|
[1fe35e1] | 556 | <varlistentry xml:id="tunelp">
|
---|
[b8a819f] | 557 | <term><command>tunelp</command></term>
|
---|
[c6cb3aa] | 558 | <listitem>
|
---|
[673b0d8] | 559 | <indexterm zone="ch-system-util-linux tunelp"><primary sortas="b-tunelp">tunelp</primary></indexterm>
|
---|
[c6cb3aa] | 560 | <para>is used to tune the parameters of the line printer.</para>
|
---|
| 561 | </listitem>
|
---|
| 562 | </varlistentry>
|
---|
[673b0d8] | 563 |
|
---|
[1fe35e1] | 564 | <varlistentry xml:id="ul">
|
---|
[b8a819f] | 565 | <term><command>ul</command></term>
|
---|
[c6cb3aa] | 566 | <listitem>
|
---|
[673b0d8] | 567 | <indexterm zone="ch-system-util-linux ul"><primary sortas="b-ul">ul</primary></indexterm>
|
---|
[c6cb3aa] | 568 | <para>is a filter for translating underscores into
|
---|
[673b0d8] | 569 | escape sequences indicating underlining for the terminal in use.</para>
|
---|
[c6cb3aa] | 570 | </listitem>
|
---|
| 571 | </varlistentry>
|
---|
[673b0d8] | 572 |
|
---|
[1fe35e1] | 573 | <varlistentry xml:id="umount">
|
---|
[b8a819f] | 574 | <term><command>umount</command></term>
|
---|
[c6cb3aa] | 575 | <listitem>
|
---|
[673b0d8] | 576 | <indexterm zone="ch-system-util-linux umount"><primary sortas="b-umount">umount</primary></indexterm>
|
---|
[c6cb3aa] | 577 | <para>disconnects a file system from the system's file tree.</para>
|
---|
| 578 | </listitem>
|
---|
| 579 | </varlistentry>
|
---|
[673b0d8] | 580 |
|
---|
[1fe35e1] | 581 | <varlistentry xml:id="vidmode">
|
---|
[b8a819f] | 582 | <term><command>vidmode</command></term>
|
---|
[c6cb3aa] | 583 | <listitem>
|
---|
[673b0d8] | 584 | <indexterm zone="ch-system-util-linux vidmode"><primary sortas="b-vidmode">vidmode</primary></indexterm>
|
---|
[c6cb3aa] | 585 | <para>could be used to set the video mode in a bootable image.</para>
|
---|
| 586 | </listitem>
|
---|
| 587 | </varlistentry>
|
---|
[673b0d8] | 588 |
|
---|
[1fe35e1] | 589 | <varlistentry xml:id="whereis">
|
---|
[b8a819f] | 590 | <term><command>whereis</command></term>
|
---|
[c6cb3aa] | 591 | <listitem>
|
---|
[673b0d8] | 592 | <indexterm zone="ch-system-util-linux whereis"><primary sortas="b-whereis">whereis</primary></indexterm>
|
---|
[c6cb3aa] | 593 | <para>reports the location of binary, the
|
---|
[673b0d8] | 594 | source, and the manual page for the given command.</para>
|
---|
[c6cb3aa] | 595 | </listitem>
|
---|
| 596 | </varlistentry>
|
---|
[673b0d8] | 597 |
|
---|
[1fe35e1] | 598 | <varlistentry xml:id="write">
|
---|
[b8a819f] | 599 | <term><command>write</command></term>
|
---|
[c6cb3aa] | 600 | <listitem>
|
---|
[673b0d8] | 601 | <indexterm zone="ch-system-util-linux write"><primary sortas="b-write">write</primary></indexterm>
|
---|
[c6cb3aa] | 602 | <para>sends a message to the given user,
|
---|
[673b0d8] | 603 | <emphasis>if</emphasis> that user has not disabled such messages.</para>
|
---|
[c6cb3aa] | 604 | </listitem>
|
---|
| 605 | </varlistentry>
|
---|
| 606 | </variablelist>
|
---|
[673b0d8] | 607 |
|
---|
[1fe35e1] | 608 | </section>
|
---|
[673b0d8] | 609 |
|
---|
[1fe35e1] | 610 | </section>
|
---|