[673b0d8] | 1 | <?xml version="1.0" encoding="ISO-8859-1"?>
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| 2 | <!DOCTYPE sect1 PUBLIC "-//OASIS//DTD DocBook XML V4.3//EN" "http://www.oasis-open.org/docbook/xml/4.3/docbookx.dtd" [
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| 3 | <!ENTITY % general-entities SYSTEM "../general.ent">
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| 4 | %general-entities;
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| 5 | ]>
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[a001133] | 6 | <sect1 id="ch-system-coreutils" xreflabel="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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| 23 | <segtitle>Coreutils installation depends on</segtitle>
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| 24 | <seglistitem><seg>Bash, Binutils, Coreutils, Diffutils, GCC,
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| 25 | Gettext, Glibc, Grep, Make, Perl, Sed</seg></seglistitem>
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| 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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[90e3cb3] | 32 | <para>Normally the functionality of <command>uname</command> is somewhat
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[3c928f1] | 33 | broken, in that the <parameter>-p</parameter> switch always returns
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| 34 | <computeroutput>unknown</computeroutput>. The following patch fixes this behavior for Intel
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[673b0d8] | 35 | architectures:</para>
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[73aedd1d] | 36 |
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[c6f6bd7] | 37 | <screen><userinput>patch -Np1 -i ../coreutils-&coreutils-version;-uname-2.patch</userinput></screen>
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[73aedd1d] | 38 |
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[ac55dee] | 39 | <para>Prevent Coreutils from installing binaries that will be later be installed
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| 40 | by other programs:</para>
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[73aedd1d] | 41 |
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[71bbe67] | 42 | <screen><userinput>patch -Np1 -i ../coreutils-&coreutils-version;-suppress_hostname_uptime_kill_su-1.patch</userinput></screen>
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[73aedd1d] | 43 |
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| 44 | <para>Now prepare Coreutils for compilation:</para>
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| 45 |
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[673b0d8] | 46 | <screen><userinput>DEFAULT_POSIX2_VERSION=199209 ./configure --prefix=/usr</userinput></screen>
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[73aedd1d] | 47 |
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| 48 | <para>Compile the package:</para>
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| 49 |
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| 50 | <screen><userinput>make</userinput></screen>
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| 51 |
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[cd0c92d6] | 52 | <para>The test suite of Coreutils makes several assumptions about the presence
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[673b0d8] | 53 | of files and users that aren't valid this early in the LFS build. We will
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[cd0c92d6] | 54 | therefore have to set up a few things before being able to run the tests. If
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[673b0d8] | 55 | you choose not to run these tests, skip down to <quote>Install the
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| 56 | package</quote>.</para>
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[cd0c92d6] | 57 |
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[9dfc02f] | 58 | <para>Create two dummy groups and a dummy user name:</para>
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[73aedd1d] | 59 |
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[cd0c92d6] | 60 | <screen><userinput>echo "dummy1:x:1000" >> /etc/group
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| 61 | echo "dummy2:x:1001:dummy" >> /etc/group
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| 62 | echo "dummy:x:1000:1000:::/bin/bash" >> /etc/passwd</userinput></screen>
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[73aedd1d] | 63 |
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[cd0c92d6] | 64 | <para>Now you're all set to run the test suite. First run the few tests that
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| 65 | are meant to be run as <emphasis>root</emphasis>:</para>
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[73aedd1d] | 66 |
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[1ba4207] | 67 | <screen><userinput>make NON_ROOT_USERNAME=dummy check-root</userinput></screen>
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[73aedd1d] | 68 |
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[cd0c92d6] | 69 | <para>Then run the remainder of the tests as the <emphasis>dummy</emphasis>
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[73aedd1d] | 70 | user:</para>
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| 71 |
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[ac55dee] | 72 | <screen><userinput>src/su dummy -c "make RUN_EXPENSIVE_TESTS=yes check"</userinput></screen>
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[73aedd1d] | 73 |
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[cd0c92d6] | 74 | <para>When you're done testing, remove the dummy user and groups:</para>
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[73aedd1d] | 75 |
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[4b3ac50] | 76 | <screen><userinput>sed -i '/dummy/d' /etc/passwd /etc/group
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| 77 | chmod 644 /etc/passwd /etc/group</userinput></screen>
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[73aedd1d] | 78 |
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| 79 | <para>Install the package:</para>
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| 80 |
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| 81 | <screen><userinput>make install</userinput></screen>
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| 82 |
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| 83 | <para>And move some programs to their proper locations:</para>
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| 84 |
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[9dfc02f] | 85 | <screen><userinput>mv /usr/bin/{[,basename,cat,chgrp,chmod,chown,cp,dd,df} /bin
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[5e33420] | 86 | mv /usr/bin/{date,echo,false,head,install,ln,ls} /bin
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| 87 | mv /usr/bin/{mkdir,mknod,mv,pwd,rm,rmdir,sync} /bin
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[ac55dee] | 88 | mv /usr/bin/{sleep,stty,test,touch,true,uname} /bin
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[73aedd1d] | 89 | mv /usr/bin/chroot /usr/sbin</userinput></screen>
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| 90 |
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[9dfc02f] | 91 | <para>Finally, create a symlink to be FHS-compliant:</para>
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[73aedd1d] | 92 |
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[9dfc02f] | 93 | <screen><userinput>ln -s ../../bin/install /usr/bin</userinput></screen>
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[73aedd1d] | 94 |
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| 95 | </sect2>
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[bc82645e] | 96 |
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[5888299] | 97 |
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[c6cb3aa] | 98 | <sect2 id="contents-coreutils" role="content"><title>Contents of Coreutils</title>
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[673b0d8] | 99 |
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[c6cb3aa] | 100 | <segmentedlist>
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| 101 | <segtitle>Installed programs</segtitle>
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| 102 | <seglistitem><seg>basename, cat, chgrp, chmod,
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[673b0d8] | 103 | chown, chroot, cksum, comm, cp, csplit, cut, date, dd, df, dir, dircolors,
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| 104 | dirname, du, echo, env, expand, expr, factor, false, fmt, fold, groups, head,
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| 105 | hostid, hostname, id, install, join, link, ln, logname, ls, md5sum,
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| 106 | mkdir, mkfifo, mknod, mv, nice, nl, nohup, od, paste, pathchk, pinky, pr,
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| 107 | printenv, printf, ptx, pwd, readlink, rm, rmdir, seq, sha1sum, shred, sleep,
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| 108 | sort, split, stat, stty, su, sum, sync, tac, tail, tee, test, touch, tr, true,
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| 109 | tsort, tty, uname, unexpand, uniq, unlink, uptime, users, vdir, wc, who,
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[c6cb3aa] | 110 | whoami and yes</seg></seglistitem>
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| 111 | </segmentedlist>
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[673b0d8] | 112 |
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[c6cb3aa] | 113 | <variablelist><title>Short descriptions</title>
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[673b0d8] | 114 |
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[b8a819f] | 115 | <varlistentry id="basename">
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| 116 | <term><command>basename</command></term>
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[c6cb3aa] | 117 | <listitem>
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[673b0d8] | 118 | <indexterm zone="ch-system-coreutils basename"><primary sortas="b-basename">basename</primary></indexterm>
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[c6cb3aa] | 119 | <para>strips any path and a given suffix from the given file name.</para>
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| 120 | </listitem>
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| 121 | </varlistentry>
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[673b0d8] | 122 |
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[b8a819f] | 123 | <varlistentry id="cat">
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| 124 | <term><command>cat</command></term>
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[c6cb3aa] | 125 | <listitem>
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[673b0d8] | 126 | <indexterm zone="ch-system-coreutils cat"><primary sortas="b-cat">cat</primary></indexterm>
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[c6cb3aa] | 127 | <para>concatenates files to standard output.</para>
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| 128 | </listitem>
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| 129 | </varlistentry>
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[673b0d8] | 130 |
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[b8a819f] | 131 | <varlistentry id="chgrp">
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| 132 | <term><command>chgrp</command></term>
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[c6cb3aa] | 133 | <listitem>
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[673b0d8] | 134 | <indexterm zone="ch-system-coreutils chgrp"><primary sortas="b-chgrp">chgrp</primary></indexterm>
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[c6cb3aa] | 135 | <para>changes the group ownership of each given file to the given group. The
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| 136 | group can be either given a a name or a numeric ID.</para>
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| 137 | </listitem>
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| 138 | </varlistentry>
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| 139 |
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[b8a819f] | 140 | <varlistentry id="chmod">
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| 141 | <term><command>chmod</command></term>
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[c6cb3aa] | 142 | <listitem>
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[673b0d8] | 143 | <indexterm zone="ch-system-coreutils chmod"><primary sortas="b-chmod">chmod</primary></indexterm>
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[c6cb3aa] | 144 | <para>changes the permissions of each given file
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[673b0d8] | 145 | to the given mode. The mode can be either a symbolic representation of the
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| 146 | changes to make, or an octal number representing the new permissions.</para>
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[c6cb3aa] | 147 | </listitem>
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| 148 | </varlistentry>
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[673b0d8] | 149 |
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[b8a819f] | 150 | <varlistentry id="chown">
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| 151 | <term><command>chown</command></term>
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[c6cb3aa] | 152 | <listitem>
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[673b0d8] | 153 | <indexterm zone="ch-system-coreutils chown"><primary sortas="b-chown">chown</primary></indexterm>
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[c6cb3aa] | 154 | <para>changes the user and/or group ownership of
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[673b0d8] | 155 | each given file to the given user:group pair.</para>
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[c6cb3aa] | 156 | </listitem>
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| 157 | </varlistentry>
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[673b0d8] | 158 |
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[b8a819f] | 159 | <varlistentry id="chroot">
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| 160 | <term><command>chroot</command></term>
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[c6cb3aa] | 161 | <listitem>
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[673b0d8] | 162 | <indexterm zone="ch-system-coreutils chroot"><primary sortas="b-chroot">chroot</primary></indexterm>
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[c6cb3aa] | 163 | <para>runs a given command with the specified directory as the
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[3c928f1] | 164 | <filename class="directory">/</filename> directory. The given command can be an interactive shell.
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[c6cb3aa] | 165 | On most systems only <emphasis>root</emphasis> can do this.</para>
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| 166 | </listitem>
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| 167 | </varlistentry>
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| 168 |
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[b8a819f] | 169 | <varlistentry id="cksum">
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| 170 | <term><command>cksum</command></term>
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[c6cb3aa] | 171 | <listitem>
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[673b0d8] | 172 | <indexterm zone="ch-system-coreutils cksum"><primary sortas="b-cksum">cksum</primary></indexterm>
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[c6cb3aa] | 173 | <para>prints the CRC (Cyclic Redundancy Check) checksum and the byte
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[673b0d8] | 174 | counts of each specified file.</para>
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[c6cb3aa] | 175 | </listitem>
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| 176 | </varlistentry>
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[673b0d8] | 177 |
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[b8a819f] | 178 | <varlistentry id="comm">
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| 179 | <term><command>comm</command></term>
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[c6cb3aa] | 180 | <listitem>
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[673b0d8] | 181 | <indexterm zone="ch-system-coreutils comm"><primary sortas="b-comm">comm</primary></indexterm>
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[c6cb3aa] | 182 | <para>compares two sorted files, outputting in
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[673b0d8] | 183 | three columns the lines that are unique, and the lines that are common.</para>
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[c6cb3aa] | 184 | </listitem>
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| 185 | </varlistentry>
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[673b0d8] | 186 |
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[b8a819f] | 187 | <varlistentry id="cp">
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| 188 | <term><command>cp</command></term>
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[c6cb3aa] | 189 | <listitem>
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[673b0d8] | 190 | <indexterm zone="ch-system-coreutils cp"><primary sortas="b-cp">cp</primary></indexterm>
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[c6cb3aa] | 191 | <para>copies files.</para>
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| 192 | </listitem>
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| 193 | </varlistentry>
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[673b0d8] | 194 |
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[b8a819f] | 195 | <varlistentry id="csplit">
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| 196 | <term><command>csplit</command></term>
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[c6cb3aa] | 197 | <listitem>
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[673b0d8] | 198 | <indexterm zone="ch-system-coreutils csplit"><primary sortas="b-csplit">csplit</primary></indexterm>
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[c6cb3aa] | 199 | <para>splits a given file into several new files,
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[673b0d8] | 200 | separating them according to given patterns or line numbers, and outputting
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| 201 | the byte count of each new file.</para>
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[c6cb3aa] | 202 | </listitem>
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| 203 | </varlistentry>
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[673b0d8] | 204 |
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[b8a819f] | 205 | <varlistentry id="cut">
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| 206 | <term><command>cut</command></term>
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[c6cb3aa] | 207 | <listitem>
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[673b0d8] | 208 | <indexterm zone="ch-system-coreutils cut"><primary sortas="b-cut">cut</primary></indexterm>
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[c6cb3aa] | 209 | <para>prints parts of lines, selecting the parts
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[673b0d8] | 210 | according to given fields or positions.</para>
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[c6cb3aa] | 211 | </listitem>
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| 212 | </varlistentry>
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[673b0d8] | 213 |
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[b8a819f] | 214 | <varlistentry id="date">
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| 215 | <term><command>date</command></term>
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[c6cb3aa] | 216 | <listitem>
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[673b0d8] | 217 | <indexterm zone="ch-system-coreutils date"><primary sortas="b-date">date</primary></indexterm>
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[c6cb3aa] | 218 | <para>displays the current time in the given format, or sets the system date.</para>
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| 219 | </listitem>
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| 220 | </varlistentry>
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[673b0d8] | 221 |
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[b8a819f] | 222 | <varlistentry id="dd">
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| 223 | <term><command>dd</command> </term>
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[c6cb3aa] | 224 | <listitem>
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[673b0d8] | 225 | <indexterm zone="ch-system-coreutils dd"><primary sortas="b-dd">dd</primary></indexterm>
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[c6cb3aa] | 226 | <para>copies a file using the given block size and
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[673b0d8] | 227 | count, while optionally performing conversions on it.</para>
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[c6cb3aa] | 228 | </listitem>
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| 229 | </varlistentry>
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[673b0d8] | 230 |
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[b8a819f] | 231 | <varlistentry id="df">
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| 232 | <term><command>df</command></term>
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[c6cb3aa] | 233 | <listitem>
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[673b0d8] | 234 | <indexterm zone="ch-system-coreutils df"><primary sortas="b-df">df</primary></indexterm>
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[c6cb3aa] | 235 | <para>reports the amount of disk space available
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[673b0d8] | 236 | (and used) on all mounted file systems, or only on the file systems holding the
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| 237 | given files.</para>
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[c6cb3aa] | 238 | </listitem>
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| 239 | </varlistentry>
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[673b0d8] | 240 |
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[b8a819f] | 241 | <varlistentry id="dir">
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| 242 | <term><command>dir</command></term>
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[c6cb3aa] | 243 | <listitem>
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[673b0d8] | 244 | <indexterm zone="ch-system-coreutils dir"><primary sortas="b-dir">dir</primary></indexterm>
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[3c928f1] | 245 | <para>is the same as <command>ls</command>.</para>
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[c6cb3aa] | 246 | </listitem>
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| 247 | </varlistentry>
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[673b0d8] | 248 |
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[b8a819f] | 249 | <varlistentry id="dircolors">
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| 250 | <term><command>dircolors</command></term>
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[c6cb3aa] | 251 | <listitem>
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[673b0d8] | 252 | <indexterm zone="ch-system-coreutils dircolors"><primary sortas="b-dircolors">dircolors</primary></indexterm>
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[c6cb3aa] | 253 | <para>outputs commands to set the LS_COLOR
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[3c928f1] | 254 | environment variable, to change the color scheme used by <command>ls</command>.</para>
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[c6cb3aa] | 255 | </listitem>
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| 256 | </varlistentry>
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[673b0d8] | 257 |
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[b8a819f] | 258 | <varlistentry id="dirname">
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| 259 | <term><command>dirname</command></term>
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[c6cb3aa] | 260 | <listitem>
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[673b0d8] | 261 | <indexterm zone="ch-system-coreutils dirname"><primary sortas="b-dirname">dirname</primary></indexterm>
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[c6cb3aa] | 262 | <para>strips the non-directory suffix from a given file name.</para>
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| 263 | </listitem>
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| 264 | </varlistentry>
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[673b0d8] | 265 |
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[b8a819f] | 266 | <varlistentry id="du">
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| 267 | <term><command>du</command></term>
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[c6cb3aa] | 268 | <listitem>
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[673b0d8] | 269 | <indexterm zone="ch-system-coreutils du"><primary sortas="b-du">du</primary></indexterm>
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[c6cb3aa] | 270 | <para>reports the amount of disk space used by the
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[673b0d8] | 271 | current directory, or by each of the given directories including all their
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| 272 | subdirectories, or by each of the given files.</para>
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[c6cb3aa] | 273 | </listitem>
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| 274 | </varlistentry>
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[673b0d8] | 275 |
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[b8a819f] | 276 | <varlistentry id="echo">
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| 277 | <term><command>echo</command></term>
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[c6cb3aa] | 278 | <listitem>
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[673b0d8] | 279 | <indexterm zone="ch-system-coreutils echo"><primary sortas="b-echo">echo</primary></indexterm>
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[c6cb3aa] | 280 | <para>displays the given strings.</para>
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| 281 | </listitem>
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| 282 | </varlistentry>
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[673b0d8] | 283 |
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[b8a819f] | 284 | <varlistentry id="env">
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| 285 | <term><command>env</command></term>
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[c6cb3aa] | 286 | <listitem>
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[673b0d8] | 287 | <indexterm zone="ch-system-coreutils env"><primary sortas="b-env">env</primary></indexterm>
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[c6cb3aa] | 288 | <para>runs a command in a modified environment.</para>
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| 289 | </listitem>
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| 290 | </varlistentry>
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[673b0d8] | 291 |
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[b8a819f] | 292 | <varlistentry id="expand">
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| 293 | <term><command>expand</command></term>
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[c6cb3aa] | 294 | <listitem>
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[673b0d8] | 295 | <indexterm zone="ch-system-coreutils expand"><primary sortas="b-expand">expand</primary></indexterm>
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[c6cb3aa] | 296 | <para>converts tabs to spaces.</para>
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| 297 | </listitem>
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| 298 | </varlistentry>
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[673b0d8] | 299 |
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[b8a819f] | 300 | <varlistentry id="expr">
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| 301 | <term><command>expr</command></term>
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[c6cb3aa] | 302 | <listitem>
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[673b0d8] | 303 | <indexterm zone="ch-system-coreutils expr"><primary sortas="b-expr">expr</primary></indexterm>
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[c6cb3aa] | 304 | <para>evaluates expressions.</para>
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| 305 | </listitem>
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| 306 | </varlistentry>
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[673b0d8] | 307 |
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[b8a819f] | 308 | <varlistentry id="factor">
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| 309 | <term><command>factor</command></term>
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[c6cb3aa] | 310 | <listitem>
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[673b0d8] | 311 | <indexterm zone="ch-system-coreutils factor"><primary sortas="b-factor">factor</primary></indexterm>
|
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[c6cb3aa] | 312 | <para>prints the prime factors of all specified integer numbers.</para>
|
---|
| 313 | </listitem>
|
---|
| 314 | </varlistentry>
|
---|
[673b0d8] | 315 |
|
---|
[b8a819f] | 316 | <varlistentry id="false">
|
---|
| 317 | <term><command>false</command></term>
|
---|
[c6cb3aa] | 318 | <listitem>
|
---|
[673b0d8] | 319 | <indexterm zone="ch-system-coreutils false"><primary sortas="b-false">false</primary></indexterm>
|
---|
[c6cb3aa] | 320 | <para>does nothing, unsuccessfully. It always
|
---|
[673b0d8] | 321 | exits with a status code indicating failure.</para>
|
---|
[c6cb3aa] | 322 | </listitem>
|
---|
| 323 | </varlistentry>
|
---|
[673b0d8] | 324 |
|
---|
[b8a819f] | 325 | <varlistentry id="mt">
|
---|
| 326 | <term><command>fmt</command></term>
|
---|
[c6cb3aa] | 327 | <listitem>
|
---|
[673b0d8] | 328 | <indexterm zone="ch-system-coreutils mt"><primary sortas="b-mt">mt</primary></indexterm>
|
---|
[c6cb3aa] | 329 | <para>reformats the paragraphs in the given files.</para>
|
---|
| 330 | </listitem>
|
---|
| 331 | </varlistentry>
|
---|
[673b0d8] | 332 |
|
---|
[b8a819f] | 333 | <varlistentry id="fold">
|
---|
| 334 | <term><command>fold</command></term>
|
---|
[c6cb3aa] | 335 | <listitem>
|
---|
[673b0d8] | 336 | <indexterm zone="ch-system-coreutils fold"><primary sortas="b-fold">fold</primary></indexterm>
|
---|
[c6cb3aa] | 337 | <para>wraps the lines in the given files.</para>
|
---|
| 338 | </listitem>
|
---|
| 339 | </varlistentry>
|
---|
[673b0d8] | 340 |
|
---|
[b8a819f] | 341 | <varlistentry id="groups-coreutils">
|
---|
| 342 | <term><command>groups</command></term>
|
---|
[c6cb3aa] | 343 | <listitem>
|
---|
[673b0d8] | 344 | <indexterm zone="ch-system-coreutils groups-coreutils"><primary sortas="b-groups-coreutils">groups</primary></indexterm>
|
---|
[c6cb3aa] | 345 | <para>reports a user's group memberships.</para>
|
---|
| 346 | </listitem>
|
---|
| 347 | </varlistentry>
|
---|
[673b0d8] | 348 |
|
---|
[b8a819f] | 349 | <varlistentry id="head">
|
---|
| 350 | <term><command>head</command></term>
|
---|
[c6cb3aa] | 351 | <listitem>
|
---|
[673b0d8] | 352 | <indexterm zone="ch-system-coreutils head"><primary sortas="b-head">head</primary></indexterm>
|
---|
[c6cb3aa] | 353 | <para>prints the first ten lines (or the given number of lines) of each given file.</para>
|
---|
| 354 | </listitem>
|
---|
| 355 | </varlistentry>
|
---|
[673b0d8] | 356 |
|
---|
[b8a819f] | 357 | <varlistentry id="hostid">
|
---|
| 358 | <term><command>hostid</command></term>
|
---|
[c6cb3aa] | 359 | <listitem>
|
---|
[673b0d8] | 360 | <indexterm zone="ch-system-coreutils hostid"><primary sortas="b-hostid">hostid</primary></indexterm>
|
---|
[c6cb3aa] | 361 | <para>reports the numeric identifier (in hexadecimal) of the host.</para>
|
---|
| 362 | </listitem>
|
---|
| 363 | </varlistentry>
|
---|
[673b0d8] | 364 |
|
---|
[b8a819f] | 365 | <varlistentry id="hostname-coreutils">
|
---|
| 366 | <term><command>hostname</command></term>
|
---|
[c6cb3aa] | 367 | <listitem>
|
---|
[673b0d8] | 368 | <indexterm zone="ch-system-coreutils hostname-coreutils"><primary sortas="b-hostname-coreutils">hostname</primary></indexterm>
|
---|
[c6cb3aa] | 369 | <para>reports or sets the name of the host.</para>
|
---|
| 370 | </listitem>
|
---|
| 371 | </varlistentry>
|
---|
[673b0d8] | 372 |
|
---|
[b8a819f] | 373 | <varlistentry id="id">
|
---|
| 374 | <term><command>id</command></term>
|
---|
[c6cb3aa] | 375 | <listitem>
|
---|
[673b0d8] | 376 | <indexterm zone="ch-system-coreutils id"><primary sortas="b-id">id</primary></indexterm>
|
---|
[c6cb3aa] | 377 | <para>reports the effective user ID, group ID, and
|
---|
[673b0d8] | 378 | group memberships of the current user, or of a given user.</para>
|
---|
[c6cb3aa] | 379 | </listitem>
|
---|
| 380 | </varlistentry>
|
---|
[673b0d8] | 381 |
|
---|
[b8a819f] | 382 | <varlistentry id="install">
|
---|
| 383 | <term><command>install</command> </term>
|
---|
[c6cb3aa] | 384 | <listitem>
|
---|
[673b0d8] | 385 | <indexterm zone="ch-system-coreutils install"><primary sortas="b-install">install</primary></indexterm>
|
---|
[c6cb3aa] | 386 | <para>copies files while setting their
|
---|
[673b0d8] | 387 | permission modes and, if possible, their owner and group.</para>
|
---|
[c6cb3aa] | 388 | </listitem>
|
---|
| 389 | </varlistentry>
|
---|
[673b0d8] | 390 |
|
---|
[b8a819f] | 391 | <varlistentry id="join">
|
---|
| 392 | <term><command>join</command></term>
|
---|
[c6cb3aa] | 393 | <listitem>
|
---|
[673b0d8] | 394 | <indexterm zone="ch-system-coreutils join"><primary sortas="b-join">join</primary></indexterm>
|
---|
[c6cb3aa] | 395 | <para>joins from two files the lines that have identical join fields.</para>
|
---|
| 396 | </listitem>
|
---|
| 397 | </varlistentry>
|
---|
[673b0d8] | 398 |
|
---|
[b8a819f] | 399 | <varlistentry id="link">
|
---|
| 400 | <term><command>link</command></term>
|
---|
[c6cb3aa] | 401 | <listitem>
|
---|
[673b0d8] | 402 | <indexterm zone="ch-system-coreutils link"><primary sortas="b-link">link</primary></indexterm>
|
---|
[c6cb3aa] | 403 | <para>creates a hard link with the given name to the given file.</para>
|
---|
| 404 | </listitem>
|
---|
| 405 | </varlistentry>
|
---|
[673b0d8] | 406 |
|
---|
[b8a819f] | 407 | <varlistentry id="ln">
|
---|
| 408 | <term><command>ln</command></term>
|
---|
[c6cb3aa] | 409 | <listitem>
|
---|
[673b0d8] | 410 | <indexterm zone="ch-system-coreutils ln"><primary sortas="b-ln">ln</primary></indexterm>
|
---|
[c6cb3aa] | 411 | <para>makes hard links or soft links between files.</para>
|
---|
| 412 | </listitem>
|
---|
| 413 | </varlistentry>
|
---|
[673b0d8] | 414 |
|
---|
[b8a819f] | 415 | <varlistentry id="logname">
|
---|
| 416 | <term><command>logname</command></term>
|
---|
[c6cb3aa] | 417 | <listitem>
|
---|
[673b0d8] | 418 | <indexterm zone="ch-system-coreutils logname"><primary sortas="b-logname">logname</primary></indexterm>
|
---|
[c6cb3aa] | 419 | <para>reports the current user's login name.</para>
|
---|
| 420 | </listitem>
|
---|
| 421 | </varlistentry>
|
---|
[673b0d8] | 422 |
|
---|
[b8a819f] | 423 | <varlistentry id="ls">
|
---|
| 424 | <term><command>ls</command></term>
|
---|
[c6cb3aa] | 425 | <listitem>
|
---|
[673b0d8] | 426 | <indexterm zone="ch-system-coreutils ls"><primary sortas="b-ls">ls</primary></indexterm>
|
---|
[c6cb3aa] | 427 | <para>lists the contents of each given directory.
|
---|
[673b0d8] | 428 | By default it orders the files and subdirectories alphabetically.</para>
|
---|
[c6cb3aa] | 429 | </listitem>
|
---|
| 430 | </varlistentry>
|
---|
[673b0d8] | 431 |
|
---|
[b8a819f] | 432 | <varlistentry id="md5sum">
|
---|
| 433 | <term><command>md5sum</command></term>
|
---|
[c6cb3aa] | 434 | <listitem>
|
---|
[673b0d8] | 435 | <indexterm zone="ch-system-coreutils md5sum"><primary sortas="b-md5sum">md5sum</primary></indexterm>
|
---|
[c6cb3aa] | 436 | <para>reports or checks MD5 (Message Digest 5) checksums.</para>
|
---|
| 437 | </listitem>
|
---|
| 438 | </varlistentry>
|
---|
[673b0d8] | 439 |
|
---|
[b8a819f] | 440 | <varlistentry id="mkdir">
|
---|
| 441 | <term><command>mkdir</command></term>
|
---|
[c6cb3aa] | 442 | <listitem>
|
---|
[673b0d8] | 443 | <indexterm zone="ch-system-coreutils mkdir"><primary sortas="b-mkdir">mkdir</primary></indexterm>
|
---|
[c6cb3aa] | 444 | <para>creates directories with the given names.</para>
|
---|
| 445 | </listitem>
|
---|
| 446 | </varlistentry>
|
---|
[673b0d8] | 447 |
|
---|
[b8a819f] | 448 | <varlistentry id="mkfifo">
|
---|
| 449 | <term><command>mkfifo</command></term>
|
---|
[c6cb3aa] | 450 | <listitem>
|
---|
[673b0d8] | 451 | <indexterm zone="ch-system-coreutils mkfifo"><primary sortas="b-mkfifo">mkfifo</primary></indexterm>
|
---|
[3c928f1] | 452 | <para>creates FIFOs (First-In, First-Out, a <quote>named pipe</quote> in UNIX parlance) with
|
---|
[c6cb3aa] | 453 | the given names.</para>
|
---|
| 454 | </listitem>
|
---|
| 455 | </varlistentry>
|
---|
| 456 |
|
---|
[b8a819f] | 457 | <varlistentry id="mknod">
|
---|
| 458 | <term><command>mknod</command></term>
|
---|
[c6cb3aa] | 459 | <listitem>
|
---|
[673b0d8] | 460 | <indexterm zone="ch-system-coreutils mknod"><primary sortas="b-mknod">mknod</primary></indexterm>
|
---|
[c6cb3aa] | 461 | <para>creates device nodes with the given names.
|
---|
[673b0d8] | 462 | A device node is a character special file, or a block special file, or a FIFO.</para>
|
---|
[c6cb3aa] | 463 | </listitem>
|
---|
| 464 | </varlistentry>
|
---|
[673b0d8] | 465 |
|
---|
[b8a819f] | 466 | <varlistentry id="mv">
|
---|
| 467 | <term><command>mv</command></term>
|
---|
[c6cb3aa] | 468 | <listitem>
|
---|
[673b0d8] | 469 | <indexterm zone="ch-system-coreutils mv"><primary sortas="b-mv">mv</primary></indexterm>
|
---|
[c6cb3aa] | 470 | <para>moves or renames files or directories.</para>
|
---|
| 471 | </listitem>
|
---|
| 472 | </varlistentry>
|
---|
[673b0d8] | 473 |
|
---|
[b8a819f] | 474 | <varlistentry id="nice">
|
---|
| 475 | <term><command>nice</command></term>
|
---|
[c6cb3aa] | 476 | <listitem>
|
---|
[673b0d8] | 477 | <indexterm zone="ch-system-coreutils nice"><primary sortas="b-nice">nice</primary></indexterm>
|
---|
[c6cb3aa] | 478 | <para>runs a program with modified scheduling priority.</para>
|
---|
| 479 | </listitem>
|
---|
| 480 | </varlistentry>
|
---|
[673b0d8] | 481 |
|
---|
[b8a819f] | 482 | <varlistentry id="nl">
|
---|
| 483 | <term><command>nl</command></term>
|
---|
[c6cb3aa] | 484 | <listitem>
|
---|
[673b0d8] | 485 | <indexterm zone="ch-system-coreutils nl"><primary sortas="b-nl">nl</primary></indexterm>
|
---|
[c6cb3aa] | 486 | <para>numbers the lines from the given files.</para>
|
---|
| 487 | </listitem>
|
---|
| 488 | </varlistentry>
|
---|
[673b0d8] | 489 |
|
---|
[b8a819f] | 490 | <varlistentry id="nohup">
|
---|
| 491 | <term><command>nohup</command></term>
|
---|
[c6cb3aa] | 492 | <listitem>
|
---|
[673b0d8] | 493 | <indexterm zone="ch-system-coreutils nohup"><primary sortas="b-nohup">nohup</primary></indexterm>
|
---|
[c6cb3aa] | 494 | <para>runs a command immune to hangups, with
|
---|
[673b0d8] | 495 | output redirected to a log file.</para>
|
---|
[c6cb3aa] | 496 | </listitem>
|
---|
| 497 | </varlistentry>
|
---|
[673b0d8] | 498 |
|
---|
[b8a819f] | 499 | <varlistentry id="od">
|
---|
| 500 | <term><command>od</command></term>
|
---|
[c6cb3aa] | 501 | <listitem>
|
---|
[673b0d8] | 502 | <indexterm zone="ch-system-coreutils od"><primary sortas="b-od">od</primary></indexterm>
|
---|
[c6cb3aa] | 503 | <para>dumps files in octal and other formats.</para>
|
---|
| 504 | </listitem>
|
---|
| 505 | </varlistentry>
|
---|
[673b0d8] | 506 |
|
---|
[b8a819f] | 507 | <varlistentry id="paste">
|
---|
| 508 | <term><command>paste</command></term>
|
---|
[c6cb3aa] | 509 | <listitem>
|
---|
[673b0d8] | 510 | <indexterm zone="ch-system-coreutils paste"><primary sortas="b-paste">paste</primary></indexterm>
|
---|
[c6cb3aa] | 511 | <para>merges the given files, joining
|
---|
[673b0d8] | 512 | sequentially corresponding lines side by side, separated by tab characters..</para>
|
---|
[c6cb3aa] | 513 | </listitem>
|
---|
| 514 | </varlistentry>
|
---|
[673b0d8] | 515 |
|
---|
[b8a819f] | 516 | <varlistentry id="pathchk">
|
---|
| 517 | <term><command>pathchk</command></term>
|
---|
[c6cb3aa] | 518 | <listitem>
|
---|
[673b0d8] | 519 | <indexterm zone="ch-system-coreutils pathchk"><primary sortas="b-pathchk">pathchk</primary></indexterm>
|
---|
[c6cb3aa] | 520 | <para>checks whether file names are valid or portable.</para>
|
---|
| 521 | </listitem>
|
---|
| 522 | </varlistentry>
|
---|
[673b0d8] | 523 |
|
---|
[b8a819f] | 524 | <varlistentry id="pinky">
|
---|
| 525 | <term><command>pinky</command></term>
|
---|
[c6cb3aa] | 526 | <listitem>
|
---|
[673b0d8] | 527 | <indexterm zone="ch-system-coreutils pinky"><primary sortas="b-pinky">pinky</primary></indexterm>
|
---|
[c6cb3aa] | 528 | <para>is a lightweight finger. It reports some information about the given users.</para>
|
---|
| 529 | </listitem>
|
---|
| 530 | </varlistentry>
|
---|
[673b0d8] | 531 |
|
---|
[b8a819f] | 532 | <varlistentry id="pr">
|
---|
| 533 | <term><command>pr</command></term>
|
---|
[c6cb3aa] | 534 | <listitem>
|
---|
[673b0d8] | 535 | <indexterm zone="ch-system-coreutils pr"><primary sortas="b-pr">pr</primary></indexterm>
|
---|
[c6cb3aa] | 536 | <para>paginates and columnates files for printing.</para>
|
---|
| 537 | </listitem>
|
---|
| 538 | </varlistentry>
|
---|
[673b0d8] | 539 |
|
---|
[b8a819f] | 540 | <varlistentry id="printenv">
|
---|
| 541 | <term><command>printenv</command></term>
|
---|
[c6cb3aa] | 542 | <listitem>
|
---|
[673b0d8] | 543 | <indexterm zone="ch-system-coreutils printenv"><primary sortas="b-printenv">printenv</primary></indexterm>
|
---|
[c6cb3aa] | 544 | <para>prints the environment.</para>
|
---|
| 545 | </listitem>
|
---|
| 546 | </varlistentry>
|
---|
[673b0d8] | 547 |
|
---|
[b8a819f] | 548 | <varlistentry id="printf">
|
---|
| 549 | <term><command>printf</command></term>
|
---|
[c6cb3aa] | 550 | <listitem>
|
---|
[673b0d8] | 551 | <indexterm zone="ch-system-coreutils printf"><primary sortas="b-printf">printf</primary></indexterm>
|
---|
[c6cb3aa] | 552 | <para>prints the given arguments according to the
|
---|
[673b0d8] | 553 | given format -- much like the C printf function.</para>
|
---|
[c6cb3aa] | 554 | </listitem>
|
---|
| 555 | </varlistentry>
|
---|
[673b0d8] | 556 |
|
---|
[b8a819f] | 557 | <varlistentry id="ptx">
|
---|
| 558 | <term><command>ptx</command></term>
|
---|
[c6cb3aa] | 559 | <listitem>
|
---|
[673b0d8] | 560 | <indexterm zone="ch-system-coreutils ptx"><primary sortas="b-ptx">ptx</primary></indexterm>
|
---|
[c6cb3aa] | 561 | <para>produces from the contents of the given files
|
---|
[673b0d8] | 562 | a permuted index, with each keyword in its context.</para>
|
---|
[c6cb3aa] | 563 | </listitem>
|
---|
| 564 | </varlistentry>
|
---|
[673b0d8] | 565 |
|
---|
[b8a819f] | 566 | <varlistentry id="pwd">
|
---|
| 567 | <term><command>pwd</command></term>
|
---|
[c6cb3aa] | 568 | <listitem>
|
---|
[673b0d8] | 569 | <indexterm zone="ch-system-coreutils pwd"><primary sortas="b-pwd">pwd</primary></indexterm>
|
---|
[c6cb3aa] | 570 | <para>reports the name of the current directory.</para>
|
---|
| 571 | </listitem>
|
---|
| 572 | </varlistentry>
|
---|
[673b0d8] | 573 |
|
---|
[b8a819f] | 574 | <varlistentry id="readlink">
|
---|
| 575 | <term><command>readlink</command></term>
|
---|
[c6cb3aa] | 576 | <listitem>
|
---|
[673b0d8] | 577 | <indexterm zone="ch-system-coreutils readlink"><primary sortas="b-readlink">readlink</primary></indexterm>
|
---|
[c6cb3aa] | 578 | <para>reports the value of the given symbolic link.</para>
|
---|
| 579 | </listitem>
|
---|
| 580 | </varlistentry>
|
---|
[673b0d8] | 581 |
|
---|
[b8a819f] | 582 | <varlistentry id="rm">
|
---|
| 583 | <term><command>rm</command></term>
|
---|
[c6cb3aa] | 584 | <listitem>
|
---|
[673b0d8] | 585 | <indexterm zone="ch-system-coreutils rm"><primary sortas="b-rm">rm</primary></indexterm>
|
---|
[c6cb3aa] | 586 | <para>removes files or directories.</para>
|
---|
| 587 | </listitem>
|
---|
| 588 | </varlistentry>
|
---|
[673b0d8] | 589 |
|
---|
[b8a819f] | 590 | <varlistentry id="rmdir">
|
---|
| 591 | <term><command>rmdir</command></term>
|
---|
[c6cb3aa] | 592 | <listitem>
|
---|
[673b0d8] | 593 | <indexterm zone="ch-system-coreutils rmdir"><primary sortas="b-rmdir">rmdir</primary></indexterm>
|
---|
[c6cb3aa] | 594 | <para>removes directories, if they are empty.</para>
|
---|
| 595 | </listitem>
|
---|
| 596 | </varlistentry>
|
---|
[673b0d8] | 597 |
|
---|
[b8a819f] | 598 | <varlistentry id="seq">
|
---|
| 599 | <term><command>seq</command></term>
|
---|
[c6cb3aa] | 600 | <listitem>
|
---|
[673b0d8] | 601 | <indexterm zone="ch-system-coreutils seq"><primary sortas="b-seq">seq</primary></indexterm>
|
---|
[c6cb3aa] | 602 | <para>prints a sequence of numbers, within a given
|
---|
[673b0d8] | 603 | range and with a given increment.</para>
|
---|
[c6cb3aa] | 604 | </listitem>
|
---|
| 605 | </varlistentry>
|
---|
[673b0d8] | 606 |
|
---|
[b8a819f] | 607 | <varlistentry id="sha1sum">
|
---|
| 608 | <term><command>sha1sum</command></term>
|
---|
[c6cb3aa] | 609 | <listitem>
|
---|
[673b0d8] | 610 | <indexterm zone="ch-system-coreutils sha1sum"><primary sortas="b-sha1sum">sha1sum</primary></indexterm>
|
---|
[c6cb3aa] | 611 | <para>prints or checks 160-bit SHA1 checksums.</para>
|
---|
| 612 | </listitem>
|
---|
| 613 | </varlistentry>
|
---|
[673b0d8] | 614 |
|
---|
[b8a819f] | 615 | <varlistentry id="shred">
|
---|
| 616 | <term><command>shred</command></term>
|
---|
[c6cb3aa] | 617 | <listitem>
|
---|
[673b0d8] | 618 | <indexterm zone="ch-system-coreutils shred"><primary sortas="b-shred">shred</primary></indexterm>
|
---|
[c6cb3aa] | 619 | <para>overwrites the given files repeatedly with
|
---|
[673b0d8] | 620 | strange patterns, to make it real hard to recover the data.</para>
|
---|
[c6cb3aa] | 621 | </listitem>
|
---|
| 622 | </varlistentry>
|
---|
[673b0d8] | 623 |
|
---|
[b8a819f] | 624 | <varlistentry id="sleep">
|
---|
| 625 | <term><command>sleep</command></term>
|
---|
[c6cb3aa] | 626 | <listitem>
|
---|
[673b0d8] | 627 | <indexterm zone="ch-system-coreutils sleep"><primary sortas="b-sleep">sleep</primary></indexterm>
|
---|
[c6cb3aa] | 628 | <para>pauses for the given amount of time.</para>
|
---|
| 629 | </listitem>
|
---|
| 630 | </varlistentry>
|
---|
[673b0d8] | 631 |
|
---|
[b8a819f] | 632 | <varlistentry id="sort">
|
---|
| 633 | <term><command>sort</command></term>
|
---|
[c6cb3aa] | 634 | <listitem>
|
---|
[673b0d8] | 635 | <indexterm zone="ch-system-coreutils sort"><primary sortas="b-sort">sort</primary></indexterm>
|
---|
[c6cb3aa] | 636 | <para>sorts the lines from the given files.</para>
|
---|
| 637 | </listitem>
|
---|
| 638 | </varlistentry>
|
---|
[673b0d8] | 639 |
|
---|
[b8a819f] | 640 | <varlistentry id="split">
|
---|
| 641 | <term><command>split</command></term>
|
---|
[c6cb3aa] | 642 | <listitem>
|
---|
[673b0d8] | 643 | <indexterm zone="ch-system-coreutils split"><primary sortas="b-split">split</primary></indexterm>
|
---|
[c6cb3aa] | 644 | <para>splits the given file into pieces, by size or by numbspliter of lines.</para>
|
---|
| 645 | </listitem>
|
---|
| 646 | </varlistentry>
|
---|
[673b0d8] | 647 |
|
---|
[b8a819f] | 648 | <varlistentry id="stty">
|
---|
| 649 | <term><command>stty</command></term>
|
---|
[c6cb3aa] | 650 | <listitem>
|
---|
[673b0d8] | 651 | <indexterm zone="ch-system-coreutils stty"><primary sortas="b-stty">stty</primary></indexterm>
|
---|
[c6cb3aa] | 652 | <para>sets or reports terminal line settings.</para>
|
---|
| 653 | </listitem>
|
---|
| 654 | </varlistentry>
|
---|
[673b0d8] | 655 |
|
---|
[b8a819f] | 656 | <varlistentry id="su">
|
---|
| 657 | <term><command>su</command></term>
|
---|
[c6cb3aa] | 658 | <listitem>
|
---|
[673b0d8] | 659 | <indexterm zone="ch-system-coreutils su"><primary sortas="b-su">su</primary></indexterm>
|
---|
[c6cb3aa] | 660 | <para>runs a shell with substitute user and group IDs.</para>
|
---|
| 661 | </listitem>
|
---|
| 662 | </varlistentry>
|
---|
[673b0d8] | 663 |
|
---|
[b8a819f] | 664 | <varlistentry id="sum">
|
---|
| 665 | <term><command>sum</command></term>
|
---|
[c6cb3aa] | 666 | <listitem>
|
---|
[673b0d8] | 667 | <indexterm zone="ch-system-coreutils sum"><primary sortas="b-sum">sum</primary></indexterm>
|
---|
[c6cb3aa] | 668 | <para>prints checksum and block counts for each given file.</para>
|
---|
| 669 | </listitem>
|
---|
| 670 | </varlistentry>
|
---|
[673b0d8] | 671 |
|
---|
[b8a819f] | 672 | <varlistentry id="sync">
|
---|
| 673 | <term><command>sync</command></term>
|
---|
[c6cb3aa] | 674 | <listitem>
|
---|
[673b0d8] | 675 | <indexterm zone="ch-system-coreutils sync"><primary sortas="b-sync">sync</primary></indexterm>
|
---|
[c6cb3aa] | 676 | <para>flushes file system buffers. It forces
|
---|
[673b0d8] | 677 | changed blocks to disk and updates the super block.</para>
|
---|
[c6cb3aa] | 678 | </listitem>
|
---|
| 679 | </varlistentry>
|
---|
[673b0d8] | 680 |
|
---|
[b8a819f] | 681 | <varlistentry id="tac">
|
---|
| 682 | <term><command>tac</command></term>
|
---|
[c6cb3aa] | 683 | <listitem>
|
---|
[673b0d8] | 684 | <indexterm zone="ch-system-coreutils tac"><primary sortas="b-tac">tac</primary></indexterm>
|
---|
[c6cb3aa] | 685 | <para>concatenates the given files in reverse.</para>
|
---|
| 686 | </listitem>
|
---|
| 687 | </varlistentry>
|
---|
[673b0d8] | 688 |
|
---|
[b8a819f] | 689 | <varlistentry id="tail">
|
---|
| 690 | <term><command>tail</command></term>
|
---|
[c6cb3aa] | 691 | <listitem>
|
---|
[673b0d8] | 692 | <indexterm zone="ch-system-coreutils tail"><primary sortas="b-tail">tail</primary></indexterm>
|
---|
[c6cb3aa] | 693 | <para>prints the last ten lines (or the given number of lines) of each given file.</para>
|
---|
| 694 | </listitem>
|
---|
| 695 | </varlistentry>
|
---|
[673b0d8] | 696 |
|
---|
[b8a819f] | 697 | <varlistentry id="tee">
|
---|
| 698 | <term><command>tee</command></term>
|
---|
[c6cb3aa] | 699 | <listitem>
|
---|
[673b0d8] | 700 | <indexterm zone="ch-system-coreutils tee"><primary sortas="b-tee">tee</primary></indexterm>
|
---|
[c6cb3aa] | 701 | <para>reads from standard input while writing both
|
---|
[673b0d8] | 702 | to standard output and to the given files.</para>
|
---|
[c6cb3aa] | 703 | </listitem>
|
---|
| 704 | </varlistentry>
|
---|
[673b0d8] | 705 |
|
---|
[b8a819f] | 706 | <varlistentry id="test">
|
---|
| 707 | <term><command>test</command></term>
|
---|
[c6cb3aa] | 708 | <listitem>
|
---|
[673b0d8] | 709 | <indexterm zone="ch-system-coreutils test"><primary sortas="b-test">test</primary></indexterm>
|
---|
[c6cb3aa] | 710 | <para>compares values and checks file types.</para>
|
---|
| 711 | </listitem>
|
---|
| 712 | </varlistentry>
|
---|
[673b0d8] | 713 |
|
---|
[b8a819f] | 714 | <varlistentry id="touch">
|
---|
| 715 | <term><command>touch</command></term>
|
---|
[c6cb3aa] | 716 | <listitem>
|
---|
[673b0d8] | 717 | <indexterm zone="ch-system-coreutils touch"><primary sortas="b-touch">touch</primary></indexterm>
|
---|
[c6cb3aa] | 718 | <para>changes file timestamps, setting the access
|
---|
[673b0d8] | 719 | and modification times of the given files to the current time. Files that do
|
---|
| 720 | not exist are created with zero length.</para>
|
---|
[c6cb3aa] | 721 | </listitem>
|
---|
| 722 | </varlistentry>
|
---|
[673b0d8] | 723 |
|
---|
[b8a819f] | 724 | <varlistentry id="tr">
|
---|
| 725 | <term><command>tr</command></term>
|
---|
[c6cb3aa] | 726 | <listitem>
|
---|
[673b0d8] | 727 | <indexterm zone="ch-system-coreutils tr"><primary sortas="b-tr">tr</primary></indexterm>
|
---|
[c6cb3aa] | 728 | <para>translates, squeezes, and deletes the given
|
---|
[673b0d8] | 729 | characters from standard input.</para>
|
---|
[c6cb3aa] | 730 | </listitem>
|
---|
| 731 | </varlistentry>
|
---|
[673b0d8] | 732 |
|
---|
[b8a819f] | 733 | <varlistentry id="true">
|
---|
| 734 | <term><command>true</command></term>
|
---|
[c6cb3aa] | 735 | <listitem>
|
---|
[673b0d8] | 736 | <indexterm zone="ch-system-coreutils true"><primary sortas="b-true">true</primary></indexterm>
|
---|
[c6cb3aa] | 737 | <para>does nothing, successfully. It always exits
|
---|
[673b0d8] | 738 | with a status code indicating success.</para>
|
---|
[c6cb3aa] | 739 | </listitem>
|
---|
| 740 | </varlistentry>
|
---|
[673b0d8] | 741 |
|
---|
[b8a819f] | 742 | <varlistentry id="tsort">
|
---|
| 743 | <term><command>tsort</command></term>
|
---|
[c6cb3aa] | 744 | <listitem>
|
---|
[673b0d8] | 745 | <indexterm zone="ch-system-coreutils tsort"><primary sortas="b-tsort">tsort</primary></indexterm>
|
---|
[c6cb3aa] | 746 | <para>performs a topological sort. It writes a
|
---|
[673b0d8] | 747 | totally ordered list according to the partial ordering in a given file.</para>
|
---|
[c6cb3aa] | 748 | </listitem>
|
---|
| 749 | </varlistentry>
|
---|
[673b0d8] | 750 |
|
---|
[b8a819f] | 751 | <varlistentry id="tty">
|
---|
| 752 | <term><command>tty</command></term>
|
---|
[c6cb3aa] | 753 | <listitem>
|
---|
[673b0d8] | 754 | <indexterm zone="ch-system-coreutils tty"><primary sortas="b-tty">tty</primary></indexterm>
|
---|
[c6cb3aa] | 755 | <para>reports the file name of the terminal connected to standard input.</para>
|
---|
| 756 | </listitem>
|
---|
| 757 | </varlistentry>
|
---|
[673b0d8] | 758 |
|
---|
[b8a819f] | 759 | <varlistentry id="uname">
|
---|
| 760 | <term><command>uname</command></term>
|
---|
[c6cb3aa] | 761 | <listitem>
|
---|
[673b0d8] | 762 | <indexterm zone="ch-system-coreutils uname"><primary sortas="b-uname">uname</primary></indexterm>
|
---|
[c6cb3aa] | 763 | <para>reports system information.</para>
|
---|
| 764 | </listitem>
|
---|
| 765 | </varlistentry>
|
---|
[673b0d8] | 766 |
|
---|
[b8a819f] | 767 | <varlistentry id="unexpand">
|
---|
| 768 | <term><command>unexpand</command></term>
|
---|
[c6cb3aa] | 769 | <listitem>
|
---|
[673b0d8] | 770 | <indexterm zone="ch-system-coreutils unexpand"><primary sortas="b-unexpand">unexpand</primary></indexterm>
|
---|
[c6cb3aa] | 771 | <para>converts spaces to tabs.</para>
|
---|
| 772 | </listitem>
|
---|
| 773 | </varlistentry>
|
---|
[673b0d8] | 774 |
|
---|
[b8a819f] | 775 | <varlistentry id="uniq">
|
---|
| 776 | <term><command>uniq</command></term>
|
---|
[c6cb3aa] | 777 | <listitem>
|
---|
[673b0d8] | 778 | <indexterm zone="ch-system-coreutils uniq"><primary sortas="b-uniq">uniq</primary></indexterm>
|
---|
[c6cb3aa] | 779 | <para>discards all but one of successive identical lines.</para>
|
---|
| 780 | </listitem>
|
---|
| 781 | </varlistentry>
|
---|
[673b0d8] | 782 |
|
---|
[b8a819f] | 783 | <varlistentry id="unlink">
|
---|
| 784 | <term><command>unlink</command></term>
|
---|
[c6cb3aa] | 785 | <listitem>
|
---|
[673b0d8] | 786 | <indexterm zone="ch-system-coreutils unlink"><primary sortas="b-unlink">unlink</primary></indexterm>
|
---|
[c6cb3aa] | 787 | <para>removes the given file.</para>
|
---|
| 788 | </listitem>
|
---|
| 789 | </varlistentry>
|
---|
[673b0d8] | 790 |
|
---|
[b8a819f] | 791 | <varlistentry id="uptime-coreutils">
|
---|
| 792 | <term><command>uptime</command></term>
|
---|
[c6cb3aa] | 793 | <listitem>
|
---|
[673b0d8] | 794 | <indexterm zone="ch-system-coreutils uptime-coreutils"><primary sortas="b-uptime-coreutils">uptime</primary></indexterm>
|
---|
[c6cb3aa] | 795 | <para>reports how long the system has been
|
---|
[673b0d8] | 796 | running, how many users are logged on, and the system load averages.</para>
|
---|
[c6cb3aa] | 797 | </listitem>
|
---|
| 798 | </varlistentry>
|
---|
[673b0d8] | 799 |
|
---|
[b8a819f] | 800 | <varlistentry id="users">
|
---|
| 801 | <term><command>users</command></term>
|
---|
[c6cb3aa] | 802 | <listitem>
|
---|
[673b0d8] | 803 | <indexterm zone="ch-system-coreutils users"><primary sortas="b-users">users</primary></indexterm>
|
---|
[c6cb3aa] | 804 | <para>reports the names of the users currently logged on.</para>
|
---|
| 805 | </listitem>
|
---|
| 806 | </varlistentry>
|
---|
[673b0d8] | 807 |
|
---|
[b8a819f] | 808 | <varlistentry id="vdir">
|
---|
| 809 | <term><command>vdir</command></term>
|
---|
[c6cb3aa] | 810 | <listitem>
|
---|
[673b0d8] | 811 | <indexterm zone="ch-system-coreutils vdir"><primary sortas="b-vdir">vdir</primary></indexterm>
|
---|
[3c928f1] | 812 | <para>is the same as <command>ls -l</command>.</para>
|
---|
[c6cb3aa] | 813 | </listitem>
|
---|
| 814 | </varlistentry>
|
---|
[673b0d8] | 815 |
|
---|
[b8a819f] | 816 | <varlistentry id="wc">
|
---|
| 817 | <term><command>wc</command></term>
|
---|
[c6cb3aa] | 818 | <listitem>
|
---|
[673b0d8] | 819 | <indexterm zone="ch-system-coreutils wc"><primary sortas="b-wc">wc</primary></indexterm>
|
---|
[c6cb3aa] | 820 | <para>reports the number of lines, words, and bytes
|
---|
[673b0d8] | 821 | for each given file, and a total line when more than one file is given.</para>
|
---|
[c6cb3aa] | 822 | </listitem>
|
---|
| 823 | </varlistentry>
|
---|
[673b0d8] | 824 |
|
---|
[b8a819f] | 825 | <varlistentry id="who">
|
---|
| 826 | <term><command>who</command></term>
|
---|
[c6cb3aa] | 827 | <listitem>
|
---|
[673b0d8] | 828 | <indexterm zone="ch-system-coreutils who"><primary sortas="b-who">who</primary></indexterm>
|
---|
[c6cb3aa] | 829 | <para>reports who is logged on.</para>
|
---|
| 830 | </listitem>
|
---|
| 831 | </varlistentry>
|
---|
[673b0d8] | 832 |
|
---|
[b8a819f] | 833 | <varlistentry id="whoami">
|
---|
| 834 | <term><command>whoami</command></term>
|
---|
[c6cb3aa] | 835 | <listitem>
|
---|
[673b0d8] | 836 | <indexterm zone="ch-system-coreutils whoami"><primary sortas="b-whoami">whoami</primary></indexterm>
|
---|
[c6cb3aa] | 837 | <para>reports the user name associated with the current effective user ID.</para>
|
---|
| 838 | </listitem>
|
---|
| 839 | </varlistentry>
|
---|
[673b0d8] | 840 |
|
---|
[b8a819f] | 841 | <varlistentry id="yes">
|
---|
| 842 | <term><command>yes</command></term>
|
---|
[c6cb3aa] | 843 | <listitem>
|
---|
[673b0d8] | 844 | <indexterm zone="ch-system-coreutils yes"><primary sortas="b-yes">yes</primary></indexterm>
|
---|
[3c928f1] | 845 | <para>outputs <quote>y</quote> or a given string repeatedly, until killed.</para>
|
---|
[c6cb3aa] | 846 | </listitem>
|
---|
| 847 | </varlistentry>
|
---|
| 848 | </variablelist>
|
---|
[673b0d8] | 849 |
|
---|
| 850 | </sect2>
|
---|
| 851 |
|
---|
| 852 | </sect1>
|
---|