[673b0d8] | 1 | <?xml version="1.0" encoding="ISO-8859-1"?>
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[c2133bc] | 2 | <!DOCTYPE sect1 PUBLIC "-//OASIS//DTD DocBook XML V4.4//EN" "http://www.oasis-open.org/docbook/xml/4.4/docbookx.dtd" [
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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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[752f4e5] | 6 | <sect1 id="ch-system-coreutils" role="wrap">
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[673b0d8] | 7 | <title>Coreutils-&coreutils-version;</title>
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| 8 | <?dbhtml filename="coreutils.html"?>
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| 9 |
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| 10 | <indexterm zone="ch-system-coreutils"><primary sortas="a-Coreutils">Coreutils</primary></indexterm>
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[bc82645e] | 11 |
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[a001133] | 12 | <sect2 role="package"><title/>
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[5888299] | 13 | <para>The Coreutils package contains utilities for showing and setting the
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| 14 | basic system characteristics.</para>
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| 15 |
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[a001133] | 16 | <segmentedlist>
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| 17 | <segtitle>&buildtime;</segtitle>
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| 18 | <segtitle>&diskspace;</segtitle>
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| 19 | <seglistitem><seg>0.9 SBU</seg><seg>69 MB</seg></seglistitem>
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| 20 | </segmentedlist>
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[673b0d8] | 21 |
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[a001133] | 22 | <segmentedlist>
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[a0e1913] | 23 | <segtitle>&dependencies;</segtitle>
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[a001133] | 24 | <seglistitem><seg>Bash, Binutils, Coreutils, Diffutils, GCC,
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[69993f4] | 25 | Gettext, Glibc, Grep, Make, Perl, and Sed</seg></seglistitem>
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[a001133] | 26 | </segmentedlist>
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| 27 | </sect2>
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[cd8e54e] | 28 |
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[a001133] | 29 | <sect2 role="installation">
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[73aedd1d] | 30 | <title>Installation of Coreutils</title>
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| 31 |
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[83865af] | 32 | <para arch="x86">A known issue with the <command>uname</command> program from
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[ef13657] | 33 | this package is that the <parameter>-p</parameter> switch always
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| 34 | returns <computeroutput>unknown</computeroutput>. The following patch
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| 35 | fixes this behavior for Intel architectures:</para>
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[73aedd1d] | 36 |
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[83865af] | 37 | <screen arch="x86"><userinput>patch -Np1 -i ../coreutils-&coreutils-version;-uname-2.patch</userinput></screen>
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[73aedd1d] | 38 |
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[ef13657] | 39 | <para>Prevent Coreutils from installing binaries that will be later be
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| 40 | installed by other packages:</para>
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[73aedd1d] | 41 |
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[00cc7ce] | 42 | <screen><userinput>patch -Np1 -i \
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| 43 | ../coreutils-&coreutils-version;-suppress_uptime_kill_su-1.patch</userinput></screen>
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[73aedd1d] | 44 |
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| 45 | <para>Now prepare Coreutils for compilation:</para>
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| 46 |
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[673b0d8] | 47 | <screen><userinput>DEFAULT_POSIX2_VERSION=199209 ./configure --prefix=/usr</userinput></screen>
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[73aedd1d] | 48 |
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| 49 | <para>Compile the package:</para>
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| 50 |
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| 51 | <screen><userinput>make</userinput></screen>
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| 52 |
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[ef13657] | 53 | <para>The test suite of Coreutils makes several assumptions about the
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| 54 | presence of files and users that are not valid this early in the LFS
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| 55 | build. Therefore, additional items need to be set up before running
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[69993f4] | 56 | the tests. Skip down to <quote>Install the package</quote> if
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[ef13657] | 57 | not running the test suite.</para>
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[cd0c92d6] | 58 |
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[9dfc02f] | 59 | <para>Create two dummy groups and a dummy user name:</para>
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[73aedd1d] | 60 |
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[7e58f22] | 61 | <screen><userinput>echo "dummy1:x:1000:" >> /etc/group
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[cd0c92d6] | 62 | echo "dummy2:x:1001:dummy" >> /etc/group
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| 63 | echo "dummy:x:1000:1000:::/bin/bash" >> /etc/passwd</userinput></screen>
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[73aedd1d] | 64 |
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[ef13657] | 65 | <para>Now the test suite is ready to be run. First, run the tests that
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| 66 | are meant to be run as user <emphasis>root</emphasis>:</para>
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[73aedd1d] | 67 |
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[1ba4207] | 68 | <screen><userinput>make NON_ROOT_USERNAME=dummy check-root</userinput></screen>
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[73aedd1d] | 69 |
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[ef13657] | 70 | <para>Then run the remainder of the tests as the
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| 71 | <emphasis>dummy</emphasis> user:</para>
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[73aedd1d] | 72 |
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[ac55dee] | 73 | <screen><userinput>src/su dummy -c "make RUN_EXPENSIVE_TESTS=yes check"</userinput></screen>
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[73aedd1d] | 74 |
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[ef13657] | 75 | <para>When testing is complete, remove the dummy user and
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| 76 | groups:</para>
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[73aedd1d] | 77 |
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[8dffa04] | 78 | <screen><userinput>sed -i '/dummy/d' /etc/passwd /etc/group</userinput></screen>
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[73aedd1d] | 79 |
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| 80 | <para>Install the package:</para>
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| 81 |
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| 82 | <screen><userinput>make install</userinput></screen>
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| 83 |
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[ef13657] | 84 | <para>Move programs to the proper locations:</para>
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[73aedd1d] | 85 |
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[9dfc02f] | 86 | <screen><userinput>mv /usr/bin/{[,basename,cat,chgrp,chmod,chown,cp,dd,df} /bin
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[ef13657] | 87 | mv /usr/bin/{date,echo,false,head,hostname,install,ln} /bin
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| 88 | mv /usr/bin/{ls,mkdir,mknod,mv,pwd,rm,rmdir,sync} /bin
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[ac55dee] | 89 | mv /usr/bin/{sleep,stty,test,touch,true,uname} /bin
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[73aedd1d] | 90 | mv /usr/bin/chroot /usr/sbin</userinput></screen>
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| 91 |
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[9dfc02f] | 92 | <para>Finally, create a symlink to be FHS-compliant:</para>
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[73aedd1d] | 93 |
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[9dfc02f] | 94 | <screen><userinput>ln -s ../../bin/install /usr/bin</userinput></screen>
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[73aedd1d] | 95 |
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| 96 | </sect2>
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[bc82645e] | 97 |
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[5888299] | 98 |
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[c6cb3aa] | 99 | <sect2 id="contents-coreutils" role="content"><title>Contents of Coreutils</title>
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[673b0d8] | 100 |
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[c6cb3aa] | 101 | <segmentedlist>
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| 102 | <segtitle>Installed programs</segtitle>
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[24a08b9] | 103 | <seglistitem><seg>basename, cat, chgrp, chmod, chown, chroot, cksum,
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| 104 | comm, cp, csplit, cut, date, dd, df, dir, dircolors, dirname, du,
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| 105 | echo, env, expand, expr, factor, false, fmt, fold, groups, head,
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[673b0d8] | 106 | hostid, hostname, id, install, join, link, ln, logname, ls, md5sum,
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[24a08b9] | 107 | mkdir, mkfifo, mknod, mv, nice, nl, nohup, od, paste, pathchk, pinky,
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| 108 | pr, printenv, printf, ptx, pwd, readlink, rm, rmdir, seq, sha1sum,
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| 109 | shred, sleep, sort, split, stat, stty, sum, sync, tac, tail, tee,
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| 110 | test, touch, tr, true, tsort, tty, uname, unexpand, uniq, unlink,
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[69993f4] | 111 | users, vdir, wc, who, whoami, and yes</seg></seglistitem>
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[c6cb3aa] | 112 | </segmentedlist>
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[673b0d8] | 113 |
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[2256873] | 114 | <variablelist><bridgehead renderas="sect3">Short Descriptions</bridgehead>
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[3ed279f] | 115 | <?dbfo list-presentation="list"?>
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[c5f9180] | 116 | <?dbhtml list-presentation="table"?>
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[673b0d8] | 117 |
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[b8a819f] | 118 | <varlistentry id="basename">
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| 119 | <term><command>basename</command></term>
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[c6cb3aa] | 120 | <listitem>
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[2256873] | 121 | <para>Strips any path and a given suffix from a file name</para>
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[3ed279f] | 122 | <indexterm zone="ch-system-coreutils basename"><primary sortas="b-basename">basename</primary></indexterm>
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[c6cb3aa] | 123 | </listitem>
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| 124 | </varlistentry>
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[673b0d8] | 125 |
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[b8a819f] | 126 | <varlistentry id="cat">
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| 127 | <term><command>cat</command></term>
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[c6cb3aa] | 128 | <listitem>
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[2256873] | 129 | <para>Concatenates files to standard output</para>
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[3ed279f] | 130 | <indexterm zone="ch-system-coreutils cat"><primary sortas="b-cat">cat</primary></indexterm>
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[c6cb3aa] | 131 | </listitem>
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| 132 | </varlistentry>
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[673b0d8] | 133 |
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[b8a819f] | 134 | <varlistentry id="chgrp">
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| 135 | <term><command>chgrp</command></term>
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[c6cb3aa] | 136 | <listitem>
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[2256873] | 137 | <para>Changes the group ownership of each given file to the given
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| 138 | group; the group can either be either given a name or a numeric
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| 139 | ID</para>
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[3ed279f] | 140 | <indexterm zone="ch-system-coreutils chgrp"><primary sortas="b-chgrp">chgrp</primary></indexterm>
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[c6cb3aa] | 141 | </listitem>
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| 142 | </varlistentry>
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| 143 |
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[b8a819f] | 144 | <varlistentry id="chmod">
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| 145 | <term><command>chmod</command></term>
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[c6cb3aa] | 146 | <listitem>
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[2256873] | 147 | <para>Changes the permissions of each file to the given mode; the mode
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[ef13657] | 148 | can be either a symbolic representation of the changes to make or an
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[2256873] | 149 | octal number representing the new permissions</para>
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[3ed279f] | 150 | <indexterm zone="ch-system-coreutils chmod"><primary sortas="b-chmod">chmod</primary></indexterm>
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[c6cb3aa] | 151 | </listitem>
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| 152 | </varlistentry>
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[673b0d8] | 153 |
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[b8a819f] | 154 | <varlistentry id="chown">
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| 155 | <term><command>chown</command></term>
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[c6cb3aa] | 156 | <listitem>
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[2256873] | 157 | <para>Changes the user and/or group ownership of
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| 158 | each given file to the given user/group pair</para>
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[3ed279f] | 159 | <indexterm zone="ch-system-coreutils chown"><primary sortas="b-chown">chown</primary></indexterm>
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[c6cb3aa] | 160 | </listitem>
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| 161 | </varlistentry>
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[673b0d8] | 162 |
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[b8a819f] | 163 | <varlistentry id="chroot">
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| 164 | <term><command>chroot</command></term>
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[c6cb3aa] | 165 | <listitem>
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[2256873] | 166 | <para>Runs a command with the specified directory as the
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| 167 | <filename class="directory">/</filename> directory</para>
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[3ed279f] | 168 | <indexterm zone="ch-system-coreutils chroot"><primary sortas="b-chroot">chroot</primary></indexterm>
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[c6cb3aa] | 169 | </listitem>
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| 170 | </varlistentry>
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| 171 |
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[b8a819f] | 172 | <varlistentry id="cksum">
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| 173 | <term><command>cksum</command></term>
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[c6cb3aa] | 174 | <listitem>
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[2256873] | 175 | <para>Prints the Cyclic Redundancy Check (CRC) checksum and the byte
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| 176 | counts of each specified file</para>
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[3ed279f] | 177 | <indexterm zone="ch-system-coreutils cksum"><primary sortas="b-cksum">cksum</primary></indexterm>
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[c6cb3aa] | 178 | </listitem>
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| 179 | </varlistentry>
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[673b0d8] | 180 |
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[b8a819f] | 181 | <varlistentry id="comm">
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| 182 | <term><command>comm</command></term>
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[c6cb3aa] | 183 | <listitem>
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[2256873] | 184 | <para>Compares two sorted files, outputting in three columns the lines
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| 185 | that are unique and the lines that are common</para>
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[3ed279f] | 186 | <indexterm zone="ch-system-coreutils comm"><primary sortas="b-comm">comm</primary></indexterm>
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[c6cb3aa] | 187 | </listitem>
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| 188 | </varlistentry>
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[673b0d8] | 189 |
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[b8a819f] | 190 | <varlistentry id="cp">
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| 191 | <term><command>cp</command></term>
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[c6cb3aa] | 192 | <listitem>
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[2256873] | 193 | <para>Copies files</para>
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[3ed279f] | 194 | <indexterm zone="ch-system-coreutils cp"><primary sortas="b-cp">cp</primary></indexterm>
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[c6cb3aa] | 195 | </listitem>
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| 196 | </varlistentry>
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[673b0d8] | 197 |
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[b8a819f] | 198 | <varlistentry id="csplit">
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| 199 | <term><command>csplit</command></term>
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[c6cb3aa] | 200 | <listitem>
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[2256873] | 201 | <para>Splits a given file into several new files, separating them
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[ef13657] | 202 | according to given patterns or line numbers and outputting the byte
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[2256873] | 203 | count of each new file</para>
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[3ed279f] | 204 | <indexterm zone="ch-system-coreutils csplit"><primary sortas="b-csplit">csplit</primary></indexterm>
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[c6cb3aa] | 205 | </listitem>
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| 206 | </varlistentry>
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[673b0d8] | 207 |
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[b8a819f] | 208 | <varlistentry id="cut">
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| 209 | <term><command>cut</command></term>
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[c6cb3aa] | 210 | <listitem>
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[2256873] | 211 | <para>Prints sections of lines, selecting the parts according to given
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| 212 | fields or positions</para>
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[3ed279f] | 213 | <indexterm zone="ch-system-coreutils cut"><primary sortas="b-cut">cut</primary></indexterm>
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[c6cb3aa] | 214 | </listitem>
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| 215 | </varlistentry>
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[673b0d8] | 216 |
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[b8a819f] | 217 | <varlistentry id="date">
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| 218 | <term><command>date</command></term>
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[c6cb3aa] | 219 | <listitem>
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[2256873] | 220 | <para>Displays the current time in the given format, or sets the
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| 221 | system date</para>
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[3ed279f] | 222 | <indexterm zone="ch-system-coreutils date"><primary sortas="b-date">date</primary></indexterm>
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[c6cb3aa] | 223 | </listitem>
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| 224 | </varlistentry>
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[673b0d8] | 225 |
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[b8a819f] | 226 | <varlistentry id="dd">
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| 227 | <term><command>dd</command> </term>
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[c6cb3aa] | 228 | <listitem>
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[2256873] | 229 | <para>Copies a file using the given block size and count, while
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| 230 | optionally performing conversions on it</para>
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[3ed279f] | 231 | <indexterm zone="ch-system-coreutils dd"><primary sortas="b-dd">dd</primary></indexterm>
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[c6cb3aa] | 232 | </listitem>
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| 233 | </varlistentry>
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[673b0d8] | 234 |
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[b8a819f] | 235 | <varlistentry id="df">
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| 236 | <term><command>df</command></term>
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[c6cb3aa] | 237 | <listitem>
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[2256873] | 238 | <para>Reports the amount of disk space available (and used) on all
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[ef13657] | 239 | mounted file systems, or only on the file systems holding the selected
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[2256873] | 240 | files</para>
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[3ed279f] | 241 | <indexterm zone="ch-system-coreutils df"><primary sortas="b-df">df</primary></indexterm>
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[c6cb3aa] | 242 | </listitem>
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| 243 | </varlistentry>
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[673b0d8] | 244 |
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[b8a819f] | 245 | <varlistentry id="dir">
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| 246 | <term><command>dir</command></term>
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[c6cb3aa] | 247 | <listitem>
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[2256873] | 248 | <para>Lists the contents of each given directory (the same as
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| 249 | the <command>ls</command> command)</para>
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[3ed279f] | 250 | <indexterm zone="ch-system-coreutils dir"><primary sortas="b-dir">dir</primary></indexterm>
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[c6cb3aa] | 251 | </listitem>
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| 252 | </varlistentry>
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[673b0d8] | 253 |
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[b8a819f] | 254 | <varlistentry id="dircolors">
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| 255 | <term><command>dircolors</command></term>
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[c6cb3aa] | 256 | <listitem>
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[2256873] | 257 | <para>Outputs commands to set the <envar>LS_COLOR</envar>
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[ef13657] | 258 | environment variable to change the color scheme used by
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[2256873] | 259 | <command>ls</command></para>
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[3ed279f] | 260 | <indexterm zone="ch-system-coreutils dircolors"><primary sortas="b-dircolors">dircolors</primary></indexterm>
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[c6cb3aa] | 261 | </listitem>
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| 262 | </varlistentry>
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[673b0d8] | 263 |
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[b8a819f] | 264 | <varlistentry id="dirname">
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| 265 | <term><command>dirname</command></term>
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[c6cb3aa] | 266 | <listitem>
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[2256873] | 267 | <para>Strips the non-directory suffix from a file name</para>
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[3ed279f] | 268 | <indexterm zone="ch-system-coreutils dirname"><primary sortas="b-dirname">dirname</primary></indexterm>
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[c6cb3aa] | 269 | </listitem>
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| 270 | </varlistentry>
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[673b0d8] | 271 |
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[b8a819f] | 272 | <varlistentry id="du">
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| 273 | <term><command>du</command></term>
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[c6cb3aa] | 274 | <listitem>
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[2256873] | 275 | <para>Reports the amount of disk space used by the current directory,
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[69993f4] | 276 | by each of the given directories (including all subdirectories) or by
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[2256873] | 277 | each of the given files</para>
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[3ed279f] | 278 | <indexterm zone="ch-system-coreutils du"><primary sortas="b-du">du</primary></indexterm>
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[c6cb3aa] | 279 | </listitem>
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| 280 | </varlistentry>
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[673b0d8] | 281 |
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[b8a819f] | 282 | <varlistentry id="echo">
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| 283 | <term><command>echo</command></term>
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[c6cb3aa] | 284 | <listitem>
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[2256873] | 285 | <para>Displays the given strings</para>
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[3ed279f] | 286 | <indexterm zone="ch-system-coreutils echo"><primary sortas="b-echo">echo</primary></indexterm>
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[c6cb3aa] | 287 | </listitem>
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| 288 | </varlistentry>
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[673b0d8] | 289 |
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[b8a819f] | 290 | <varlistentry id="env">
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| 291 | <term><command>env</command></term>
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[c6cb3aa] | 292 | <listitem>
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[2256873] | 293 | <para>Runs a command in a modified environment</para>
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[3ed279f] | 294 | <indexterm zone="ch-system-coreutils env"><primary sortas="b-env">env</primary></indexterm>
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[c6cb3aa] | 295 | </listitem>
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| 296 | </varlistentry>
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[673b0d8] | 297 |
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[b8a819f] | 298 | <varlistentry id="expand">
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| 299 | <term><command>expand</command></term>
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[c6cb3aa] | 300 | <listitem>
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[2256873] | 301 | <para>Converts tabs to spaces</para>
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[3ed279f] | 302 | <indexterm zone="ch-system-coreutils expand"><primary sortas="b-expand">expand</primary></indexterm>
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[c6cb3aa] | 303 | </listitem>
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| 304 | </varlistentry>
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[673b0d8] | 305 |
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[b8a819f] | 306 | <varlistentry id="expr">
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| 307 | <term><command>expr</command></term>
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[c6cb3aa] | 308 | <listitem>
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[2256873] | 309 | <para>Evaluates expressions</para>
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[3ed279f] | 310 | <indexterm zone="ch-system-coreutils expr"><primary sortas="b-expr">expr</primary></indexterm>
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[c6cb3aa] | 311 | </listitem>
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| 312 | </varlistentry>
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[673b0d8] | 313 |
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[b8a819f] | 314 | <varlistentry id="factor">
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| 315 | <term><command>factor</command></term>
|
---|
[c6cb3aa] | 316 | <listitem>
|
---|
[2256873] | 317 | <para>Prints the prime factors of all specified integer numbers</para>
|
---|
[3ed279f] | 318 | <indexterm zone="ch-system-coreutils factor"><primary sortas="b-factor">factor</primary></indexterm>
|
---|
[c6cb3aa] | 319 | </listitem>
|
---|
| 320 | </varlistentry>
|
---|
[673b0d8] | 321 |
|
---|
[b8a819f] | 322 | <varlistentry id="false">
|
---|
| 323 | <term><command>false</command></term>
|
---|
[c6cb3aa] | 324 | <listitem>
|
---|
[2256873] | 325 | <para>Does nothing, unsuccessfully; it always exits with a status code
|
---|
| 326 | indicating failure</para>
|
---|
[3ed279f] | 327 | <indexterm zone="ch-system-coreutils false"><primary sortas="b-false">false</primary></indexterm>
|
---|
[c6cb3aa] | 328 | </listitem>
|
---|
| 329 | </varlistentry>
|
---|
[673b0d8] | 330 |
|
---|
[7566baf] | 331 | <varlistentry id="fmt">
|
---|
[b8a819f] | 332 | <term><command>fmt</command></term>
|
---|
[c6cb3aa] | 333 | <listitem>
|
---|
[2256873] | 334 | <para>Reformats the paragraphs in the given files</para>
|
---|
[7566baf] | 335 | <indexterm zone="ch-system-coreutils fmt"><primary sortas="b-fmt">fmt</primary></indexterm>
|
---|
[c6cb3aa] | 336 | </listitem>
|
---|
| 337 | </varlistentry>
|
---|
[673b0d8] | 338 |
|
---|
[b8a819f] | 339 | <varlistentry id="fold">
|
---|
| 340 | <term><command>fold</command></term>
|
---|
[c6cb3aa] | 341 | <listitem>
|
---|
[2256873] | 342 | <para>Wraps the lines in the given files</para>
|
---|
[3ed279f] | 343 | <indexterm zone="ch-system-coreutils fold"><primary sortas="b-fold">fold</primary></indexterm>
|
---|
[c6cb3aa] | 344 | </listitem>
|
---|
| 345 | </varlistentry>
|
---|
[673b0d8] | 346 |
|
---|
[b8a819f] | 347 | <varlistentry id="groups-coreutils">
|
---|
| 348 | <term><command>groups</command></term>
|
---|
[c6cb3aa] | 349 | <listitem>
|
---|
[2256873] | 350 | <para>Reports a user's group memberships</para>
|
---|
[3ed279f] | 351 | <indexterm zone="ch-system-coreutils groups-coreutils"><primary sortas="b-groups-coreutils">groups</primary></indexterm>
|
---|
[c6cb3aa] | 352 | </listitem>
|
---|
| 353 | </varlistentry>
|
---|
[673b0d8] | 354 |
|
---|
[b8a819f] | 355 | <varlistentry id="head">
|
---|
| 356 | <term><command>head</command></term>
|
---|
[c6cb3aa] | 357 | <listitem>
|
---|
[2256873] | 358 | <para>Prints the first ten lines (or the given number of lines) of each given file</para>
|
---|
[3ed279f] | 359 | <indexterm zone="ch-system-coreutils head"><primary sortas="b-head">head</primary></indexterm>
|
---|
[c6cb3aa] | 360 | </listitem>
|
---|
| 361 | </varlistentry>
|
---|
[673b0d8] | 362 |
|
---|
[b8a819f] | 363 | <varlistentry id="hostid">
|
---|
| 364 | <term><command>hostid</command></term>
|
---|
[c6cb3aa] | 365 | <listitem>
|
---|
[2256873] | 366 | <para>Reports the numeric identifier (in hexadecimal) of the host</para>
|
---|
[3ed279f] | 367 | <indexterm zone="ch-system-coreutils hostid"><primary sortas="b-hostid">hostid</primary></indexterm>
|
---|
[c6cb3aa] | 368 | </listitem>
|
---|
| 369 | </varlistentry>
|
---|
[673b0d8] | 370 |
|
---|
[6aaa1b0] | 371 | <varlistentry id="hostname">
|
---|
[b8a819f] | 372 | <term><command>hostname</command></term>
|
---|
[c6cb3aa] | 373 | <listitem>
|
---|
[2256873] | 374 | <para>Reports or sets the name of the host</para>
|
---|
[3ed279f] | 375 | <indexterm zone="ch-system-coreutils hostname"><primary sortas="b-hostname">hostname</primary></indexterm>
|
---|
[c6cb3aa] | 376 | </listitem>
|
---|
| 377 | </varlistentry>
|
---|
[673b0d8] | 378 |
|
---|
[b8a819f] | 379 | <varlistentry id="id">
|
---|
| 380 | <term><command>id</command></term>
|
---|
[c6cb3aa] | 381 | <listitem>
|
---|
[2256873] | 382 | <para>Reports the effective user ID, group ID, and
|
---|
| 383 | group memberships of the current user or specified user</para>
|
---|
[3ed279f] | 384 | <indexterm zone="ch-system-coreutils id"><primary sortas="b-id">id</primary></indexterm>
|
---|
[c6cb3aa] | 385 | </listitem>
|
---|
| 386 | </varlistentry>
|
---|
[673b0d8] | 387 |
|
---|
[b8a819f] | 388 | <varlistentry id="install">
|
---|
| 389 | <term><command>install</command> </term>
|
---|
[c6cb3aa] | 390 | <listitem>
|
---|
[2256873] | 391 | <para>Copies files while setting their
|
---|
| 392 | permission modes and, if possible, their owner and group</para>
|
---|
[3ed279f] | 393 | <indexterm zone="ch-system-coreutils install"><primary sortas="b-install">install</primary></indexterm>
|
---|
[c6cb3aa] | 394 | </listitem>
|
---|
| 395 | </varlistentry>
|
---|
[673b0d8] | 396 |
|
---|
[b8a819f] | 397 | <varlistentry id="join">
|
---|
| 398 | <term><command>join</command></term>
|
---|
[c6cb3aa] | 399 | <listitem>
|
---|
[2256873] | 400 | <para>Joins the lines that have identical join fields from two
|
---|
| 401 | separate files</para>
|
---|
[3ed279f] | 402 | <indexterm zone="ch-system-coreutils join"><primary sortas="b-join">join</primary></indexterm>
|
---|
[c6cb3aa] | 403 | </listitem>
|
---|
| 404 | </varlistentry>
|
---|
[673b0d8] | 405 |
|
---|
[b8a819f] | 406 | <varlistentry id="link">
|
---|
| 407 | <term><command>link</command></term>
|
---|
[c6cb3aa] | 408 | <listitem>
|
---|
[2256873] | 409 | <para>Creates a hard link with the given name to a file</para>
|
---|
[3ed279f] | 410 | <indexterm zone="ch-system-coreutils link"><primary sortas="b-link">link</primary></indexterm>
|
---|
[c6cb3aa] | 411 | </listitem>
|
---|
| 412 | </varlistentry>
|
---|
[673b0d8] | 413 |
|
---|
[b8a819f] | 414 | <varlistentry id="ln">
|
---|
| 415 | <term><command>ln</command></term>
|
---|
[c6cb3aa] | 416 | <listitem>
|
---|
[2256873] | 417 | <para>Makes hard links or soft (symbolic) links between files</para>
|
---|
[3ed279f] | 418 | <indexterm zone="ch-system-coreutils ln"><primary sortas="b-ln">ln</primary></indexterm>
|
---|
[c6cb3aa] | 419 | </listitem>
|
---|
| 420 | </varlistentry>
|
---|
[673b0d8] | 421 |
|
---|
[b8a819f] | 422 | <varlistentry id="logname">
|
---|
| 423 | <term><command>logname</command></term>
|
---|
[c6cb3aa] | 424 | <listitem>
|
---|
[2256873] | 425 | <para>Reports the current user's login name</para>
|
---|
[3ed279f] | 426 | <indexterm zone="ch-system-coreutils logname"><primary sortas="b-logname">logname</primary></indexterm>
|
---|
[c6cb3aa] | 427 | </listitem>
|
---|
| 428 | </varlistentry>
|
---|
[673b0d8] | 429 |
|
---|
[b8a819f] | 430 | <varlistentry id="ls">
|
---|
| 431 | <term><command>ls</command></term>
|
---|
[c6cb3aa] | 432 | <listitem>
|
---|
[2256873] | 433 | <para>Lists the contents of each given directory</para>
|
---|
[3ed279f] | 434 | <indexterm zone="ch-system-coreutils ls"><primary sortas="b-ls">ls</primary></indexterm>
|
---|
[c6cb3aa] | 435 | </listitem>
|
---|
| 436 | </varlistentry>
|
---|
[673b0d8] | 437 |
|
---|
[b8a819f] | 438 | <varlistentry id="md5sum">
|
---|
| 439 | <term><command>md5sum</command></term>
|
---|
[c6cb3aa] | 440 | <listitem>
|
---|
[2256873] | 441 | <para>Reports or checks Message Digest 5 (MD5) checksums</para>
|
---|
[3ed279f] | 442 | <indexterm zone="ch-system-coreutils md5sum"><primary sortas="b-md5sum">md5sum</primary></indexterm>
|
---|
[c6cb3aa] | 443 | </listitem>
|
---|
| 444 | </varlistentry>
|
---|
[673b0d8] | 445 |
|
---|
[b8a819f] | 446 | <varlistentry id="mkdir">
|
---|
| 447 | <term><command>mkdir</command></term>
|
---|
[c6cb3aa] | 448 | <listitem>
|
---|
[2256873] | 449 | <para>Creates directories with the given names</para>
|
---|
[3ed279f] | 450 | <indexterm zone="ch-system-coreutils mkdir"><primary sortas="b-mkdir">mkdir</primary></indexterm>
|
---|
[c6cb3aa] | 451 | </listitem>
|
---|
| 452 | </varlistentry>
|
---|
[673b0d8] | 453 |
|
---|
[b8a819f] | 454 | <varlistentry id="mkfifo">
|
---|
| 455 | <term><command>mkfifo</command></term>
|
---|
[c6cb3aa] | 456 | <listitem>
|
---|
[2256873] | 457 | <para>Creates First-In, First-Outs (FIFOs), a <quote>named
|
---|
| 458 | pipe</quote> in UNIX parlance, with the given names</para>
|
---|
[3ed279f] | 459 | <indexterm zone="ch-system-coreutils mkfifo"><primary sortas="b-mkfifo">mkfifo</primary></indexterm>
|
---|
[c6cb3aa] | 460 | </listitem>
|
---|
| 461 | </varlistentry>
|
---|
| 462 |
|
---|
[b8a819f] | 463 | <varlistentry id="mknod">
|
---|
| 464 | <term><command>mknod</command></term>
|
---|
[c6cb3aa] | 465 | <listitem>
|
---|
[2256873] | 466 | <para>Creates device nodes with the given names; a device node is a
|
---|
| 467 | character special file, a block special file, or a FIFO</para>
|
---|
[3ed279f] | 468 | <indexterm zone="ch-system-coreutils mknod"><primary sortas="b-mknod">mknod</primary></indexterm>
|
---|
[c6cb3aa] | 469 | </listitem>
|
---|
| 470 | </varlistentry>
|
---|
[673b0d8] | 471 |
|
---|
[b8a819f] | 472 | <varlistentry id="mv">
|
---|
| 473 | <term><command>mv</command></term>
|
---|
[c6cb3aa] | 474 | <listitem>
|
---|
[2256873] | 475 | <para>Moves or renames files or directories</para>
|
---|
[3ed279f] | 476 | <indexterm zone="ch-system-coreutils mv"><primary sortas="b-mv">mv</primary></indexterm>
|
---|
[c6cb3aa] | 477 | </listitem>
|
---|
| 478 | </varlistentry>
|
---|
[673b0d8] | 479 |
|
---|
[b8a819f] | 480 | <varlistentry id="nice">
|
---|
| 481 | <term><command>nice</command></term>
|
---|
[c6cb3aa] | 482 | <listitem>
|
---|
[2256873] | 483 | <para>Runs a program with modified scheduling priority</para>
|
---|
[3ed279f] | 484 | <indexterm zone="ch-system-coreutils nice"><primary sortas="b-nice">nice</primary></indexterm>
|
---|
[c6cb3aa] | 485 | </listitem>
|
---|
| 486 | </varlistentry>
|
---|
[673b0d8] | 487 |
|
---|
[b8a819f] | 488 | <varlistentry id="nl">
|
---|
| 489 | <term><command>nl</command></term>
|
---|
[c6cb3aa] | 490 | <listitem>
|
---|
[2256873] | 491 | <para>Numbers the lines from the given files</para>
|
---|
[3ed279f] | 492 | <indexterm zone="ch-system-coreutils nl"><primary sortas="b-nl">nl</primary></indexterm>
|
---|
[c6cb3aa] | 493 | </listitem>
|
---|
| 494 | </varlistentry>
|
---|
[673b0d8] | 495 |
|
---|
[b8a819f] | 496 | <varlistentry id="nohup">
|
---|
| 497 | <term><command>nohup</command></term>
|
---|
[c6cb3aa] | 498 | <listitem>
|
---|
[2256873] | 499 | <para>Runs a command immune to hangups, with its output redirected to
|
---|
| 500 | a log file</para>
|
---|
[3ed279f] | 501 | <indexterm zone="ch-system-coreutils nohup"><primary sortas="b-nohup">nohup</primary></indexterm>
|
---|
[c6cb3aa] | 502 | </listitem>
|
---|
| 503 | </varlistentry>
|
---|
[673b0d8] | 504 |
|
---|
[b8a819f] | 505 | <varlistentry id="od">
|
---|
| 506 | <term><command>od</command></term>
|
---|
[c6cb3aa] | 507 | <listitem>
|
---|
[2256873] | 508 | <para>Dumps files in octal and other formats</para>
|
---|
[3ed279f] | 509 | <indexterm zone="ch-system-coreutils od"><primary sortas="b-od">od</primary></indexterm>
|
---|
[c6cb3aa] | 510 | </listitem>
|
---|
| 511 | </varlistentry>
|
---|
[673b0d8] | 512 |
|
---|
[b8a819f] | 513 | <varlistentry id="paste">
|
---|
| 514 | <term><command>paste</command></term>
|
---|
[c6cb3aa] | 515 | <listitem>
|
---|
[2256873] | 516 | <para>Merges the given files, joining sequentially corresponding lines
|
---|
| 517 | side by side, separated by tab characters</para>
|
---|
[3ed279f] | 518 | <indexterm zone="ch-system-coreutils paste"><primary sortas="b-paste">paste</primary></indexterm>
|
---|
[c6cb3aa] | 519 | </listitem>
|
---|
| 520 | </varlistentry>
|
---|
[673b0d8] | 521 |
|
---|
[b8a819f] | 522 | <varlistentry id="pathchk">
|
---|
| 523 | <term><command>pathchk</command></term>
|
---|
[c6cb3aa] | 524 | <listitem>
|
---|
[2256873] | 525 | <para>Checks if file names are valid or portable</para>
|
---|
[3ed279f] | 526 | <indexterm zone="ch-system-coreutils pathchk"><primary sortas="b-pathchk">pathchk</primary></indexterm>
|
---|
[c6cb3aa] | 527 | </listitem>
|
---|
| 528 | </varlistentry>
|
---|
[673b0d8] | 529 |
|
---|
[b8a819f] | 530 | <varlistentry id="pinky">
|
---|
| 531 | <term><command>pinky</command></term>
|
---|
[c6cb3aa] | 532 | <listitem>
|
---|
[2256873] | 533 | <para>Is a lightweight finger client; it reports some information about the given users</para>
|
---|
[3ed279f] | 534 | <indexterm zone="ch-system-coreutils pinky"><primary sortas="b-pinky">pinky</primary></indexterm>
|
---|
[c6cb3aa] | 535 | </listitem>
|
---|
| 536 | </varlistentry>
|
---|
[673b0d8] | 537 |
|
---|
[b8a819f] | 538 | <varlistentry id="pr">
|
---|
| 539 | <term><command>pr</command></term>
|
---|
[c6cb3aa] | 540 | <listitem>
|
---|
[2256873] | 541 | <para>Paginates and columnates files for printing</para>
|
---|
[3ed279f] | 542 | <indexterm zone="ch-system-coreutils pr"><primary sortas="b-pr">pr</primary></indexterm>
|
---|
[c6cb3aa] | 543 | </listitem>
|
---|
| 544 | </varlistentry>
|
---|
[673b0d8] | 545 |
|
---|
[b8a819f] | 546 | <varlistentry id="printenv">
|
---|
| 547 | <term><command>printenv</command></term>
|
---|
[c6cb3aa] | 548 | <listitem>
|
---|
[2256873] | 549 | <para>Prints the environment</para>
|
---|
[3ed279f] | 550 | <indexterm zone="ch-system-coreutils printenv"><primary sortas="b-printenv">printenv</primary></indexterm>
|
---|
[c6cb3aa] | 551 | </listitem>
|
---|
| 552 | </varlistentry>
|
---|
[673b0d8] | 553 |
|
---|
[b8a819f] | 554 | <varlistentry id="printf">
|
---|
| 555 | <term><command>printf</command></term>
|
---|
[c6cb3aa] | 556 | <listitem>
|
---|
[2256873] | 557 | <para>Prints the given arguments according to the given format, much
|
---|
| 558 | like the C printf function</para>
|
---|
[3ed279f] | 559 | <indexterm zone="ch-system-coreutils printf"><primary sortas="b-printf">printf</primary></indexterm>
|
---|
[c6cb3aa] | 560 | </listitem>
|
---|
| 561 | </varlistentry>
|
---|
[673b0d8] | 562 |
|
---|
[b8a819f] | 563 | <varlistentry id="ptx">
|
---|
| 564 | <term><command>ptx</command></term>
|
---|
[c6cb3aa] | 565 | <listitem>
|
---|
[2256873] | 566 | <para>Produces a permuted index from the contents of the given files,
|
---|
| 567 | with each keyword in its context</para>
|
---|
[3ed279f] | 568 | <indexterm zone="ch-system-coreutils ptx"><primary sortas="b-ptx">ptx</primary></indexterm>
|
---|
[c6cb3aa] | 569 | </listitem>
|
---|
| 570 | </varlistentry>
|
---|
[673b0d8] | 571 |
|
---|
[b8a819f] | 572 | <varlistentry id="pwd">
|
---|
| 573 | <term><command>pwd</command></term>
|
---|
[c6cb3aa] | 574 | <listitem>
|
---|
[2256873] | 575 | <para>Reports the name of the current working directory</para>
|
---|
[3ed279f] | 576 | <indexterm zone="ch-system-coreutils pwd"><primary sortas="b-pwd">pwd</primary></indexterm>
|
---|
[c6cb3aa] | 577 | </listitem>
|
---|
| 578 | </varlistentry>
|
---|
[673b0d8] | 579 |
|
---|
[b8a819f] | 580 | <varlistentry id="readlink">
|
---|
| 581 | <term><command>readlink</command></term>
|
---|
[c6cb3aa] | 582 | <listitem>
|
---|
[2256873] | 583 | <para>Reports the value of the given symbolic link</para>
|
---|
[3ed279f] | 584 | <indexterm zone="ch-system-coreutils readlink"><primary sortas="b-readlink">readlink</primary></indexterm>
|
---|
[c6cb3aa] | 585 | </listitem>
|
---|
| 586 | </varlistentry>
|
---|
[673b0d8] | 587 |
|
---|
[b8a819f] | 588 | <varlistentry id="rm">
|
---|
| 589 | <term><command>rm</command></term>
|
---|
[c6cb3aa] | 590 | <listitem>
|
---|
[2256873] | 591 | <para>Removes files or directories</para>
|
---|
[3ed279f] | 592 | <indexterm zone="ch-system-coreutils rm"><primary sortas="b-rm">rm</primary></indexterm>
|
---|
[c6cb3aa] | 593 | </listitem>
|
---|
| 594 | </varlistentry>
|
---|
[673b0d8] | 595 |
|
---|
[b8a819f] | 596 | <varlistentry id="rmdir">
|
---|
| 597 | <term><command>rmdir</command></term>
|
---|
[c6cb3aa] | 598 | <listitem>
|
---|
[2256873] | 599 | <para>Removes directories if they are empty</para>
|
---|
[3ed279f] | 600 | <indexterm zone="ch-system-coreutils rmdir"><primary sortas="b-rmdir">rmdir</primary></indexterm>
|
---|
[c6cb3aa] | 601 | </listitem>
|
---|
| 602 | </varlistentry>
|
---|
[673b0d8] | 603 |
|
---|
[b8a819f] | 604 | <varlistentry id="seq">
|
---|
| 605 | <term><command>seq</command></term>
|
---|
[c6cb3aa] | 606 | <listitem>
|
---|
[2256873] | 607 | <para>Prints a sequence of numbers within a given range and with a
|
---|
| 608 | given increment</para>
|
---|
[3ed279f] | 609 | <indexterm zone="ch-system-coreutils seq"><primary sortas="b-seq">seq</primary></indexterm>
|
---|
[c6cb3aa] | 610 | </listitem>
|
---|
| 611 | </varlistentry>
|
---|
[673b0d8] | 612 |
|
---|
[b8a819f] | 613 | <varlistentry id="sha1sum">
|
---|
| 614 | <term><command>sha1sum</command></term>
|
---|
[c6cb3aa] | 615 | <listitem>
|
---|
[2256873] | 616 | <para>Prints or checks 160-bit Secure Hash Algorithm 1 (SHA1) checksums</para>
|
---|
[3ed279f] | 617 | <indexterm zone="ch-system-coreutils sha1sum"><primary sortas="b-sha1sum">sha1sum</primary></indexterm>
|
---|
[c6cb3aa] | 618 | </listitem>
|
---|
| 619 | </varlistentry>
|
---|
[673b0d8] | 620 |
|
---|
[b8a819f] | 621 | <varlistentry id="shred">
|
---|
| 622 | <term><command>shred</command></term>
|
---|
[c6cb3aa] | 623 | <listitem>
|
---|
[2256873] | 624 | <para>Overwrites the given files repeatedly with complex patterns,
|
---|
| 625 | making it difficult to recover the data</para>
|
---|
[3ed279f] | 626 | <indexterm zone="ch-system-coreutils shred"><primary sortas="b-shred">shred</primary></indexterm>
|
---|
[c6cb3aa] | 627 | </listitem>
|
---|
| 628 | </varlistentry>
|
---|
[673b0d8] | 629 |
|
---|
[b8a819f] | 630 | <varlistentry id="sleep">
|
---|
| 631 | <term><command>sleep</command></term>
|
---|
[c6cb3aa] | 632 | <listitem>
|
---|
[2256873] | 633 | <para>Pauses for the given amount of time</para>
|
---|
[3ed279f] | 634 | <indexterm zone="ch-system-coreutils sleep"><primary sortas="b-sleep">sleep</primary></indexterm>
|
---|
[c6cb3aa] | 635 | </listitem>
|
---|
| 636 | </varlistentry>
|
---|
[673b0d8] | 637 |
|
---|
[b8a819f] | 638 | <varlistentry id="sort">
|
---|
| 639 | <term><command>sort</command></term>
|
---|
[c6cb3aa] | 640 | <listitem>
|
---|
[2256873] | 641 | <para>Sorts the lines from the given files</para>
|
---|
[3ed279f] | 642 | <indexterm zone="ch-system-coreutils sort"><primary sortas="b-sort">sort</primary></indexterm>
|
---|
[c6cb3aa] | 643 | </listitem>
|
---|
| 644 | </varlistentry>
|
---|
[673b0d8] | 645 |
|
---|
[b8a819f] | 646 | <varlistentry id="split">
|
---|
| 647 | <term><command>split</command></term>
|
---|
[c6cb3aa] | 648 | <listitem>
|
---|
[2256873] | 649 | <para>Splits the given file into pieces, by size or by number of lines</para>
|
---|
[3ed279f] | 650 | <indexterm zone="ch-system-coreutils split"><primary sortas="b-split">split</primary></indexterm>
|
---|
[c6cb3aa] | 651 | </listitem>
|
---|
| 652 | </varlistentry>
|
---|
[673b0d8] | 653 |
|
---|
[24a08b9] | 654 | <varlistentry id="stat">
|
---|
| 655 | <term><command>stat</command></term>
|
---|
[c6cb3aa] | 656 | <listitem>
|
---|
[2256873] | 657 | <para>Displays file or filesystem status</para>
|
---|
[24a08b9] | 658 | <indexterm zone="ch-system-coreutils stat"><primary sortas="b-stat">stat</primary></indexterm>
|
---|
[c6cb3aa] | 659 | </listitem>
|
---|
| 660 | </varlistentry>
|
---|
[673b0d8] | 661 |
|
---|
[24a08b9] | 662 | <varlistentry id="stty">
|
---|
| 663 | <term><command>stty</command></term>
|
---|
[c6cb3aa] | 664 | <listitem>
|
---|
[2256873] | 665 | <para>Sets or reports terminal line settings</para>
|
---|
[24a08b9] | 666 | <indexterm zone="ch-system-coreutils stty"><primary sortas="b-stty">stty</primary></indexterm>
|
---|
[c6cb3aa] | 667 | </listitem>
|
---|
| 668 | </varlistentry>
|
---|
[673b0d8] | 669 |
|
---|
[b8a819f] | 670 | <varlistentry id="sum">
|
---|
| 671 | <term><command>sum</command></term>
|
---|
[c6cb3aa] | 672 | <listitem>
|
---|
[2256873] | 673 | <para>Prints checksum and block counts for each given file</para>
|
---|
[3ed279f] | 674 | <indexterm zone="ch-system-coreutils sum"><primary sortas="b-sum">sum</primary></indexterm>
|
---|
[c6cb3aa] | 675 | </listitem>
|
---|
| 676 | </varlistentry>
|
---|
[673b0d8] | 677 |
|
---|
[b8a819f] | 678 | <varlistentry id="sync">
|
---|
| 679 | <term><command>sync</command></term>
|
---|
[c6cb3aa] | 680 | <listitem>
|
---|
[2256873] | 681 | <para>Flushes file system buffers; it forces changed blocks to disk
|
---|
| 682 | and updates the super block</para>
|
---|
[3ed279f] | 683 | <indexterm zone="ch-system-coreutils sync"><primary sortas="b-sync">sync</primary></indexterm>
|
---|
[c6cb3aa] | 684 | </listitem>
|
---|
| 685 | </varlistentry>
|
---|
[673b0d8] | 686 |
|
---|
[b8a819f] | 687 | <varlistentry id="tac">
|
---|
| 688 | <term><command>tac</command></term>
|
---|
[c6cb3aa] | 689 | <listitem>
|
---|
[2256873] | 690 | <para>Concatenates the given files in reverse</para>
|
---|
[3ed279f] | 691 | <indexterm zone="ch-system-coreutils tac"><primary sortas="b-tac">tac</primary></indexterm>
|
---|
[c6cb3aa] | 692 | </listitem>
|
---|
| 693 | </varlistentry>
|
---|
[673b0d8] | 694 |
|
---|
[b8a819f] | 695 | <varlistentry id="tail">
|
---|
| 696 | <term><command>tail</command></term>
|
---|
[c6cb3aa] | 697 | <listitem>
|
---|
[2256873] | 698 | <para>Prints the last ten lines (or the given number of lines) of each
|
---|
| 699 | given file</para>
|
---|
[3ed279f] | 700 | <indexterm zone="ch-system-coreutils tail"><primary sortas="b-tail">tail</primary></indexterm>
|
---|
[c6cb3aa] | 701 | </listitem>
|
---|
| 702 | </varlistentry>
|
---|
[673b0d8] | 703 |
|
---|
[b8a819f] | 704 | <varlistentry id="tee">
|
---|
| 705 | <term><command>tee</command></term>
|
---|
[c6cb3aa] | 706 | <listitem>
|
---|
[2256873] | 707 | <para>Reads from standard input while writing both to standard output
|
---|
| 708 | and to the given files</para>
|
---|
[3ed279f] | 709 | <indexterm zone="ch-system-coreutils tee"><primary sortas="b-tee">tee</primary></indexterm>
|
---|
[c6cb3aa] | 710 | </listitem>
|
---|
| 711 | </varlistentry>
|
---|
[673b0d8] | 712 |
|
---|
[b8a819f] | 713 | <varlistentry id="test">
|
---|
| 714 | <term><command>test</command></term>
|
---|
[c6cb3aa] | 715 | <listitem>
|
---|
[2256873] | 716 | <para>Compares values and checks file types</para>
|
---|
[3ed279f] | 717 | <indexterm zone="ch-system-coreutils test"><primary sortas="b-test">test</primary></indexterm>
|
---|
[c6cb3aa] | 718 | </listitem>
|
---|
| 719 | </varlistentry>
|
---|
[673b0d8] | 720 |
|
---|
[b8a819f] | 721 | <varlistentry id="touch">
|
---|
| 722 | <term><command>touch</command></term>
|
---|
[c6cb3aa] | 723 | <listitem>
|
---|
[2256873] | 724 | <para>Changes file timestamps, setting the access and modification
|
---|
| 725 | times of the given files to the current time; files that do not exist
|
---|
| 726 | are created with zero length</para>
|
---|
[3ed279f] | 727 | <indexterm zone="ch-system-coreutils touch"><primary sortas="b-touch">touch</primary></indexterm>
|
---|
[c6cb3aa] | 728 | </listitem>
|
---|
| 729 | </varlistentry>
|
---|
[673b0d8] | 730 |
|
---|
[b8a819f] | 731 | <varlistentry id="tr">
|
---|
| 732 | <term><command>tr</command></term>
|
---|
[c6cb3aa] | 733 | <listitem>
|
---|
[2256873] | 734 | <para>Translates, squeezes, and deletes the given characters from
|
---|
| 735 | standard input</para>
|
---|
[3ed279f] | 736 | <indexterm zone="ch-system-coreutils tr"><primary sortas="b-tr">tr</primary></indexterm>
|
---|
[c6cb3aa] | 737 | </listitem>
|
---|
| 738 | </varlistentry>
|
---|
[673b0d8] | 739 |
|
---|
[b8a819f] | 740 | <varlistentry id="true">
|
---|
| 741 | <term><command>true</command></term>
|
---|
[c6cb3aa] | 742 | <listitem>
|
---|
[2256873] | 743 | <para>Does nothing, successfully; it always exits with a status code
|
---|
| 744 | indicating success</para>
|
---|
[3ed279f] | 745 | <indexterm zone="ch-system-coreutils true"><primary sortas="b-true">true</primary></indexterm>
|
---|
[c6cb3aa] | 746 | </listitem>
|
---|
| 747 | </varlistentry>
|
---|
[673b0d8] | 748 |
|
---|
[b8a819f] | 749 | <varlistentry id="tsort">
|
---|
| 750 | <term><command>tsort</command></term>
|
---|
[c6cb3aa] | 751 | <listitem>
|
---|
[2256873] | 752 | <para>Performs a topological sort; it writes a completely ordered list
|
---|
| 753 | according to the partial ordering in a given file</para>
|
---|
[3ed279f] | 754 | <indexterm zone="ch-system-coreutils tsort"><primary sortas="b-tsort">tsort</primary></indexterm>
|
---|
[c6cb3aa] | 755 | </listitem>
|
---|
| 756 | </varlistentry>
|
---|
[673b0d8] | 757 |
|
---|
[b8a819f] | 758 | <varlistentry id="tty">
|
---|
| 759 | <term><command>tty</command></term>
|
---|
[c6cb3aa] | 760 | <listitem>
|
---|
[2256873] | 761 | <para>Reports the file name of the terminal connected to standard
|
---|
| 762 | input</para>
|
---|
[3ed279f] | 763 | <indexterm zone="ch-system-coreutils tty"><primary sortas="b-tty">tty</primary></indexterm>
|
---|
[c6cb3aa] | 764 | </listitem>
|
---|
| 765 | </varlistentry>
|
---|
[673b0d8] | 766 |
|
---|
[b8a819f] | 767 | <varlistentry id="uname">
|
---|
| 768 | <term><command>uname</command></term>
|
---|
[c6cb3aa] | 769 | <listitem>
|
---|
[2256873] | 770 | <para>Reports system information</para>
|
---|
[3ed279f] | 771 | <indexterm zone="ch-system-coreutils uname"><primary sortas="b-uname">uname</primary></indexterm>
|
---|
[c6cb3aa] | 772 | </listitem>
|
---|
| 773 | </varlistentry>
|
---|
[673b0d8] | 774 |
|
---|
[b8a819f] | 775 | <varlistentry id="unexpand">
|
---|
| 776 | <term><command>unexpand</command></term>
|
---|
[c6cb3aa] | 777 | <listitem>
|
---|
[2256873] | 778 | <para>Converts spaces to tabs</para>
|
---|
[3ed279f] | 779 | <indexterm zone="ch-system-coreutils unexpand"><primary sortas="b-unexpand">unexpand</primary></indexterm>
|
---|
[c6cb3aa] | 780 | </listitem>
|
---|
| 781 | </varlistentry>
|
---|
[673b0d8] | 782 |
|
---|
[b8a819f] | 783 | <varlistentry id="uniq">
|
---|
| 784 | <term><command>uniq</command></term>
|
---|
[c6cb3aa] | 785 | <listitem>
|
---|
[2256873] | 786 | <para>Discards all but one of successive identical lines</para>
|
---|
[3ed279f] | 787 | <indexterm zone="ch-system-coreutils unexpand"><primary sortas="b-unexpand">unexpand</primary></indexterm>
|
---|
[c6cb3aa] | 788 | </listitem>
|
---|
| 789 | </varlistentry>
|
---|
[673b0d8] | 790 |
|
---|
[b8a819f] | 791 | <varlistentry id="unlink">
|
---|
| 792 | <term><command>unlink</command></term>
|
---|
[c6cb3aa] | 793 | <listitem>
|
---|
[2256873] | 794 | <para>Removes the given file</para>
|
---|
[3ed279f] | 795 | <indexterm zone="ch-system-coreutils unlink"><primary sortas="b-unlink">unlink</primary></indexterm>
|
---|
[c6cb3aa] | 796 | </listitem>
|
---|
| 797 | </varlistentry>
|
---|
[673b0d8] | 798 |
|
---|
[b8a819f] | 799 | <varlistentry id="users">
|
---|
| 800 | <term><command>users</command></term>
|
---|
[c6cb3aa] | 801 | <listitem>
|
---|
[2256873] | 802 | <para>Reports the names of the users currently logged on</para>
|
---|
[3ed279f] | 803 | <indexterm zone="ch-system-coreutils users"><primary sortas="b-users">users</primary></indexterm>
|
---|
[c6cb3aa] | 804 | </listitem>
|
---|
| 805 | </varlistentry>
|
---|
[673b0d8] | 806 |
|
---|
[b8a819f] | 807 | <varlistentry id="vdir">
|
---|
| 808 | <term><command>vdir</command></term>
|
---|
[c6cb3aa] | 809 | <listitem>
|
---|
[2256873] | 810 | <para>Is the same as <command>ls -l</command></para>
|
---|
[3ed279f] | 811 | <indexterm zone="ch-system-coreutils vdir"><primary sortas="b-vdir">vdir</primary></indexterm>
|
---|
[c6cb3aa] | 812 | </listitem>
|
---|
| 813 | </varlistentry>
|
---|
[673b0d8] | 814 |
|
---|
[b8a819f] | 815 | <varlistentry id="wc">
|
---|
| 816 | <term><command>wc</command></term>
|
---|
[c6cb3aa] | 817 | <listitem>
|
---|
[2256873] | 818 | <para>Reports the number of lines, words, and bytes for each given
|
---|
| 819 | file, as well as a total line when more than one file is given</para>
|
---|
[3ed279f] | 820 | <indexterm zone="ch-system-coreutils wc"><primary sortas="b-wc">wc</primary></indexterm>
|
---|
[c6cb3aa] | 821 | </listitem>
|
---|
| 822 | </varlistentry>
|
---|
[673b0d8] | 823 |
|
---|
[b8a819f] | 824 | <varlistentry id="who">
|
---|
| 825 | <term><command>who</command></term>
|
---|
[c6cb3aa] | 826 | <listitem>
|
---|
[2256873] | 827 | <para>Reports who is logged on</para>
|
---|
[3ed279f] | 828 | <indexterm zone="ch-system-coreutils who"><primary sortas="b-who">who</primary></indexterm>
|
---|
[c6cb3aa] | 829 | </listitem>
|
---|
| 830 | </varlistentry>
|
---|
[673b0d8] | 831 |
|
---|
[b8a819f] | 832 | <varlistentry id="whoami">
|
---|
| 833 | <term><command>whoami</command></term>
|
---|
[c6cb3aa] | 834 | <listitem>
|
---|
[2256873] | 835 | <para>Reports the user name associated with the current effective user ID</para>
|
---|
[3ed279f] | 836 | <indexterm zone="ch-system-coreutils whoami"><primary sortas="b-whoami">whoami</primary></indexterm>
|
---|
[c6cb3aa] | 837 | </listitem>
|
---|
| 838 | </varlistentry>
|
---|
[673b0d8] | 839 |
|
---|
[b8a819f] | 840 | <varlistentry id="yes">
|
---|
| 841 | <term><command>yes</command></term>
|
---|
[c6cb3aa] | 842 | <listitem>
|
---|
[2256873] | 843 | <para>Repeatedly outputs <quote>y</quote> or a given string until
|
---|
| 844 | killed</para>
|
---|
[3ed279f] | 845 | <indexterm zone="ch-system-coreutils yes"><primary sortas="b-yes">yes</primary></indexterm>
|
---|
[c6cb3aa] | 846 | </listitem>
|
---|
| 847 | </varlistentry>
|
---|
| 848 | </variablelist>
|
---|
[673b0d8] | 849 |
|
---|
| 850 | </sect2>
|
---|
| 851 |
|
---|
| 852 | </sect1>
|
---|
[ef13657] | 853 |
|
---|