mirror of
https://git.linuxfromscratch.org/lfs.git
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64ef2e93db
It seems fixed by the upstream. (Well, they'd claimed this "fixed" in 2014 but we were still seeing this failure in ten years. However let me trust the upstream once again...) Link: https://lists.gnu.org/archive/html/bug-gnulib/2022-06/msg00079.html
1293 lines
44 KiB
XML
1293 lines
44 KiB
XML
<?xml version="1.0" encoding="UTF-8"?>
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<!DOCTYPE sect1 PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN"
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"http://www.oasis-open.org/docbook/xml/4.5/docbookx.dtd" [
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<!ENTITY % general-entities SYSTEM "../general.ent">
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%general-entities;
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]>
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<sect1 id="ch-system-coreutils" role="wrap">
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<?dbhtml filename="coreutils.html"?>
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<sect1info condition="script">
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<productname>coreutils</productname>
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<productnumber>&coreutils-version;</productnumber>
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<address>&coreutils-url;</address>
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</sect1info>
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<title>Coreutils-&coreutils-version;</title>
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<indexterm zone="ch-system-coreutils">
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<primary sortas="a-Coreutils">Coreutils</primary>
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</indexterm>
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<sect2 role="package">
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<title/>
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<para>The Coreutils package contains the basic utility programs
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needed by every operating system.</para>
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<segmentedlist>
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<segtitle>&buildtime;</segtitle>
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<segtitle>&diskspace;</segtitle>
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|
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<seglistitem>
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<seg>&coreutils-fin-sbu;</seg>
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<seg>&coreutils-fin-du;</seg>
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</seglistitem>
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</segmentedlist>
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</sect2>
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|
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<sect2 role="installation">
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<title>Installation of Coreutils</title>
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<para>POSIX requires that programs from Coreutils recognize character
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boundaries correctly even in multibyte locales. The following patch fixes
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this non-compliance and other internationalization-related bugs.</para>
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<screen><userinput remap="pre">patch -Np1 -i ../&coreutils-i18n-patch;</userinput></screen>
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<note>
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<para>Many bugs have been found in this patch. When reporting new
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bugs to the Coreutils maintainers, please check first to see if
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those bugs are reproducible without this patch.</para>
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</note>
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<!-- https://seclists.org/oss-sec/2024/q1/30 -->
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<para>Fix a security vulnerability in the <command>split</command>
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utility:</para>
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<screen><userinput remap="pre">sed -e '/n_out += n_hold/,+4 s|.*bufsize.*|//&|' \
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-i src/split.c</userinput></screen>
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<para>Now prepare Coreutils for compilation:</para>
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<screen><userinput remap="configure">autoreconf -fiv
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FORCE_UNSAFE_CONFIGURE=1 ./configure \
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--prefix=/usr \
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--enable-no-install-program=kill,uptime</userinput></screen>
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|
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<variablelist>
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<title>The meaning of the configure options:</title>
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<varlistentry>
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<term><command>autoreconf</command></term>
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<listitem>
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<para>The patch for internationalization has modified the
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build system, so the configuration files must
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be regenerated.</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term><envar>FORCE_UNSAFE_CONFIGURE=1</envar></term>
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<listitem>
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<para>This environment variable allows the package to be
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built by the <systemitem class="username">root</systemitem> user.
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</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term><parameter>--enable-no-install-program=kill,uptime</parameter></term>
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<listitem>
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<para>The purpose of this switch is to prevent Coreutils from
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installing programs that will be installed by other packages.
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</para>
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</listitem>
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</varlistentry>
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</variablelist>
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<para>Compile the package:</para>
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<screen><userinput remap="make">make</userinput></screen>
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<para>Skip down to <quote>Install the
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package</quote> if not running the test suite.</para>
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<para>Now the test suite is ready to be run. First, run the tests that are
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meant to be run as user <systemitem class="username">root</systemitem>:</para>
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<screen><userinput remap="test">make NON_ROOT_USERNAME=tester check-root</userinput></screen>
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<para>We're going to run the remainder of the tests as the
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<systemitem class="username">tester</systemitem> user. Certain tests
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require that the user be a member of more than one group. So that
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these tests are not skipped, add a temporary group and make the
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user <systemitem class="username">tester</systemitem> a part of it:</para>
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<screen><userinput remap="test">groupadd -g 102 dummy -U tester</userinput></screen>
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<para>Fix some of the permissions so that the non-&root; user can
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compile and run the tests:</para>
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<screen><userinput remap="test">chown -R tester . </userinput></screen>
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<para>Now run the tests:</para>
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<screen><userinput remap="test">su tester -c "PATH=$PATH make RUN_EXPENSIVE_TESTS=yes check"</userinput></screen>
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<!-- Sometimes skipped, but if not it may fail.
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Please DO NOT remove or comment out this unless we can fully
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understand it!
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<para>The test-getlogin test may fail in the LFS chroot environment.</para>
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20240226: Commented out as it seems the upstream has root-caused and
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fixed the issue. I've checked the fix is in Coreutils 9.4 release
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tarball:
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https://lists.gnu.org/archive/html/bug-gnulib/2022-06/msg00079.html
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-->
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<para>Remove the temporary group:</para>
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<screen><userinput remap="test">groupdel dummy</userinput></screen>
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<para>Install the package:</para>
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<screen><userinput remap="install">make install</userinput></screen>
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<para>Move programs to the locations specified by the FHS:</para>
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<screen><userinput remap="install">mv -v /usr/bin/chroot /usr/sbin
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mv -v /usr/share/man/man1/chroot.1 /usr/share/man/man8/chroot.8
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sed -i 's/"1"/"8"/' /usr/share/man/man8/chroot.8</userinput></screen>
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</sect2>
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<sect2 id="contents-coreutils" role="content">
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<title>Contents of Coreutils</title>
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<segmentedlist>
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<segtitle>Installed programs</segtitle>
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<segtitle>Installed library</segtitle>
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<segtitle>Installed directory</segtitle>
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<seglistitem>
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<seg>[, b2sum, base32, base64, basename, basenc, cat, chcon, chgrp, chmod, chown,
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chroot, cksum, comm, cp, csplit, cut, date, dd, df, dir, dircolors,
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dirname, du, echo, env, expand, expr, factor, false, fmt, fold, groups,
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head, hostid, id, install, join, link, ln, logname, ls, md5sum, mkdir,
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mkfifo, mknod, mktemp, mv, nice, nl, nohup, nproc, numfmt, od, paste,
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pathchk, pinky, pr, printenv, printf, ptx, pwd, readlink, realpath, rm,
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rmdir, runcon, seq, sha1sum, sha224sum, sha256sum, sha384sum,
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sha512sum, shred, shuf, sleep, sort, split, stat, stdbuf, stty, sum,
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sync, tac, tail, tee, test, timeout, touch, tr, true, truncate, tsort,
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tty, uname, unexpand, uniq, unlink, users, vdir, wc, who, whoami, and
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yes</seg>
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<seg>libstdbuf.so (in /usr/libexec/coreutils)</seg>
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<seg>/usr/libexec/coreutils</seg>
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</seglistitem>
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</segmentedlist>
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|
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<variablelist>
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<bridgehead renderas="sect3">Short Descriptions</bridgehead>
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<?dbfo list-presentation="list"?>
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<?dbhtml list-presentation="table"?>
|
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|
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<varlistentry id="lbracket">
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<term><command>[</command></term>
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<listitem>
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<para>Is an actual command, /usr/bin/[; it is a synonym
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for the <command>test</command> command</para>
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<indexterm zone="ch-system-coreutils lbracket">
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|
<primary sortas="b-111">[</primary>
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</indexterm>
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</listitem>
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</varlistentry>
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<varlistentry id="base32">
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<term><command>base32</command></term>
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<listitem>
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<para>Encodes and decodes data according to the base32 specification
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|
(RFC 4648)</para>
|
|
<indexterm zone="ch-system-coreutils base64">
|
|
<primary sortas="b-base64">base64</primary>
|
|
</indexterm>
|
|
</listitem>
|
|
</varlistentry>
|
|
|
|
<varlistentry id="base64">
|
|
<term><command>base64</command></term>
|
|
<listitem>
|
|
<para>Encodes and decodes data according to the base64 specification
|
|
(RFC 4648)</para>
|
|
<indexterm zone="ch-system-coreutils base64">
|
|
<primary sortas="b-base64">base64</primary>
|
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</indexterm>
|
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</listitem>
|
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</varlistentry>
|
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|
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<varlistentry id="b2sum">
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<term><command>b2sum</command></term>
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<listitem>
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<para>Prints or checks BLAKE2 (512-bit) checksums</para>
|
|
<indexterm zone="ch-system-coreutils b2sum">
|
|
<primary sortas="b-b2sum">b2sum</primary>
|
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</indexterm>
|
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</listitem>
|
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</varlistentry>
|
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|
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<varlistentry id="basename">
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<term><command>basename</command></term>
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<listitem>
|
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<para>Strips any path and a given suffix from a file name</para>
|
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<indexterm zone="ch-system-coreutils basename">
|
|
<primary sortas="b-basename">basename</primary>
|
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</indexterm>
|
|
</listitem>
|
|
</varlistentry>
|
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|
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<varlistentry id="basenc">
|
|
<term><command>basenc</command></term>
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<listitem>
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<para>Encodes or decodes data using various algorithms</para>
|
|
<indexterm zone="ch-system-coreutils basenc">
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<primary sortas="b-basenc">basenc</primary>
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</indexterm>
|
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</listitem>
|
|
</varlistentry>
|
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|
|
<varlistentry id="cat">
|
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<term><command>cat</command></term>
|
|
<listitem>
|
|
<para>Concatenates files to standard output</para>
|
|
<indexterm zone="ch-system-coreutils cat">
|
|
<primary sortas="b-cat">cat</primary>
|
|
</indexterm>
|
|
</listitem>
|
|
</varlistentry>
|
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|
|
<varlistentry id="chcon">
|
|
<term><command>chcon</command></term>
|
|
<listitem>
|
|
<para>Changes security context for files and directories</para>
|
|
<indexterm zone="ch-system-coreutils chcon">
|
|
<primary sortas="b-chcon">chcon</primary>
|
|
</indexterm>
|
|
</listitem>
|
|
</varlistentry>
|
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|
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<varlistentry id="chgrp">
|
|
<term><command>chgrp</command></term>
|
|
<listitem>
|
|
<para>Changes the group ownership of files and directories</para>
|
|
<indexterm zone="ch-system-coreutils chgrp">
|
|
<primary sortas="b-chgrp">chgrp</primary>
|
|
</indexterm>
|
|
</listitem>
|
|
</varlistentry>
|
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|
|
<varlistentry id="chmod">
|
|
<term><command>chmod</command></term>
|
|
<listitem>
|
|
<para>Changes the permissions of each file to the given mode; the mode
|
|
can be either a symbolic representation of the changes to be made, or an
|
|
octal number representing the new permissions</para>
|
|
<indexterm zone="ch-system-coreutils chmod">
|
|
<primary sortas="b-chmod">chmod</primary>
|
|
</indexterm>
|
|
</listitem>
|
|
</varlistentry>
|
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|
|
<varlistentry id="chown">
|
|
<term><command>chown</command></term>
|
|
<listitem>
|
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<para>Changes the user and/or group ownership of files and
|
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directories</para>
|
|
<indexterm zone="ch-system-coreutils chown">
|
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<primary sortas="b-chown">chown</primary>
|
|
</indexterm>
|
|
</listitem>
|
|
</varlistentry>
|
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|
|
<varlistentry id="chroot">
|
|
<term><command>chroot</command></term>
|
|
<listitem>
|
|
<para>Runs a command with the specified directory as the
|
|
<filename class="directory">/</filename> directory</para>
|
|
<indexterm zone="ch-system-coreutils chroot">
|
|
<primary sortas="b-chroot">chroot</primary>
|
|
</indexterm>
|
|
</listitem>
|
|
</varlistentry>
|
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|
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<varlistentry id="cksum">
|
|
<term><command>cksum</command></term>
|
|
<listitem>
|
|
<para>Prints the Cyclic Redundancy Check (CRC) checksum and the byte
|
|
counts of each specified file</para>
|
|
<indexterm zone="ch-system-coreutils cksum">
|
|
<primary sortas="b-cksum">cksum</primary>
|
|
</indexterm>
|
|
</listitem>
|
|
</varlistentry>
|
|
|
|
<varlistentry id="comm">
|
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<term><command>comm</command></term>
|
|
<listitem>
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|
<para>Compares two sorted files, outputting in three columns the lines
|
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that are unique and the lines that are common</para>
|
|
<indexterm zone="ch-system-coreutils comm">
|
|
<primary sortas="b-comm">comm</primary>
|
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</indexterm>
|
|
</listitem>
|
|
</varlistentry>
|
|
|
|
<varlistentry id="cp">
|
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<term><command>cp</command></term>
|
|
<listitem>
|
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<para>Copies files</para>
|
|
<indexterm zone="ch-system-coreutils cp">
|
|
<primary sortas="b-cp">cp</primary>
|
|
</indexterm>
|
|
</listitem>
|
|
</varlistentry>
|
|
|
|
<varlistentry id="csplit">
|
|
<term><command>csplit</command></term>
|
|
<listitem>
|
|
<para>Splits a given file into several new files, separating them
|
|
according to given patterns or line numbers, and outputting the byte
|
|
count of each new file</para>
|
|
<indexterm zone="ch-system-coreutils csplit">
|
|
<primary sortas="b-csplit">csplit</primary>
|
|
</indexterm>
|
|
</listitem>
|
|
</varlistentry>
|
|
|
|
<varlistentry id="cut">
|
|
<term><command>cut</command></term>
|
|
<listitem>
|
|
<para>Prints sections of lines, selecting the parts according to given
|
|
fields or positions</para>
|
|
<indexterm zone="ch-system-coreutils cut">
|
|
<primary sortas="b-cut">cut</primary>
|
|
</indexterm>
|
|
</listitem>
|
|
</varlistentry>
|
|
|
|
<varlistentry id="date">
|
|
<term><command>date</command></term>
|
|
<listitem>
|
|
<para>Displays the current date and time in the given format, or sets the
|
|
system date and time</para>
|
|
<indexterm zone="ch-system-coreutils date">
|
|
<primary sortas="b-date">date</primary>
|
|
</indexterm>
|
|
</listitem>
|
|
</varlistentry>
|
|
|
|
<varlistentry id="dd">
|
|
<term><command>dd</command> </term>
|
|
<listitem>
|
|
<para>Copies a file using the given block size and count, while
|
|
optionally performing conversions on it</para>
|
|
<indexterm zone="ch-system-coreutils dd">
|
|
<primary sortas="b-dd">dd</primary>
|
|
</indexterm>
|
|
</listitem>
|
|
</varlistentry>
|
|
|
|
<varlistentry id="df">
|
|
<term><command>df</command></term>
|
|
<listitem>
|
|
<para>Reports the amount of disk space available (and used) on all
|
|
mounted file systems, or only on the file systems holding the selected
|
|
files</para>
|
|
<indexterm zone="ch-system-coreutils df">
|
|
<primary sortas="b-df">df</primary>
|
|
</indexterm>
|
|
</listitem>
|
|
</varlistentry>
|
|
|
|
<varlistentry id="dir">
|
|
<term><command>dir</command></term>
|
|
<listitem>
|
|
<para>Lists the contents of each given directory (the same as
|
|
the <command>ls</command> command)</para>
|
|
<indexterm zone="ch-system-coreutils dir">
|
|
<primary sortas="b-dir">dir</primary>
|
|
</indexterm>
|
|
</listitem>
|
|
</varlistentry>
|
|
|
|
<varlistentry id="dircolors">
|
|
<term><command>dircolors</command></term>
|
|
<listitem>
|
|
<para>Outputs commands to set the <envar>LS_COLOR</envar>
|
|
environment variable to change the color scheme used by
|
|
<command>ls</command></para>
|
|
<indexterm zone="ch-system-coreutils dircolors">
|
|
<primary sortas="b-dircolors">dircolors</primary>
|
|
</indexterm>
|
|
</listitem>
|
|
</varlistentry>
|
|
|
|
<varlistentry id="dirname">
|
|
<term><command>dirname</command></term>
|
|
<listitem>
|
|
<para>Extracts the directory portion(s) of the given name(s)</para>
|
|
<indexterm zone="ch-system-coreutils dirname">
|
|
<primary sortas="b-dirname">dirname</primary>
|
|
</indexterm>
|
|
</listitem>
|
|
</varlistentry>
|
|
|
|
<varlistentry id="du">
|
|
<term><command>du</command></term>
|
|
<listitem>
|
|
<para>Reports the amount of disk space used by the current directory,
|
|
by each of the given directories (including all subdirectories) or by
|
|
each of the given files</para>
|
|
<indexterm zone="ch-system-coreutils du">
|
|
<primary sortas="b-du">du</primary>
|
|
</indexterm>
|
|
</listitem>
|
|
</varlistentry>
|
|
|
|
<varlistentry id="echo">
|
|
<term><command>echo</command></term>
|
|
<listitem>
|
|
<para>Displays the given strings</para>
|
|
<indexterm zone="ch-system-coreutils echo">
|
|
<primary sortas="b-echo">echo</primary>
|
|
</indexterm>
|
|
</listitem>
|
|
</varlistentry>
|
|
|
|
<varlistentry id="env">
|
|
<term><command>env</command></term>
|
|
<listitem>
|
|
<para>Runs a command in a modified environment</para>
|
|
<indexterm zone="ch-system-coreutils env">
|
|
<primary sortas="b-env">env</primary>
|
|
</indexterm>
|
|
</listitem>
|
|
</varlistentry>
|
|
|
|
<varlistentry id="expand">
|
|
<term><command>expand</command></term>
|
|
<listitem>
|
|
<para>Converts tabs to spaces</para>
|
|
<indexterm zone="ch-system-coreutils expand">
|
|
<primary sortas="b-expand">expand</primary>
|
|
</indexterm>
|
|
</listitem>
|
|
</varlistentry>
|
|
|
|
<varlistentry id="expr">
|
|
<term><command>expr</command></term>
|
|
<listitem>
|
|
<para>Evaluates expressions</para>
|
|
<indexterm zone="ch-system-coreutils expr">
|
|
<primary sortas="b-expr">expr</primary>
|
|
</indexterm>
|
|
</listitem>
|
|
</varlistentry>
|
|
|
|
<varlistentry id="factor">
|
|
<term><command>factor</command></term>
|
|
<listitem>
|
|
<para>Prints the prime factors of the specified integers</para>
|
|
<indexterm zone="ch-system-coreutils factor">
|
|
<primary sortas="b-factor">factor</primary>
|
|
</indexterm>
|
|
</listitem>
|
|
</varlistentry>
|
|
|
|
<varlistentry id="false">
|
|
<term><command>false</command></term>
|
|
<listitem>
|
|
<para>Does nothing, unsuccessfully; it always exits with a status code
|
|
indicating failure</para>
|
|
<indexterm zone="ch-system-coreutils false">
|
|
<primary sortas="b-false">false</primary>
|
|
</indexterm>
|
|
</listitem>
|
|
</varlistentry>
|
|
|
|
<varlistentry id="fmt">
|
|
<term><command>fmt</command></term>
|
|
<listitem>
|
|
<para>Reformats the paragraphs in the given files</para>
|
|
<indexterm zone="ch-system-coreutils fmt">
|
|
<primary sortas="b-fmt">fmt</primary>
|
|
</indexterm>
|
|
</listitem>
|
|
</varlistentry>
|
|
|
|
<varlistentry id="fold">
|
|
<term><command>fold</command></term>
|
|
<listitem>
|
|
<para>Wraps the lines in the given files</para>
|
|
<indexterm zone="ch-system-coreutils fold">
|
|
<primary sortas="b-fold">fold</primary>
|
|
</indexterm>
|
|
</listitem>
|
|
</varlistentry>
|
|
|
|
<varlistentry id="groups">
|
|
<term><command>groups</command></term>
|
|
<listitem>
|
|
<para>Reports a user's group memberships</para>
|
|
<indexterm zone="ch-system-coreutils groups">
|
|
<primary sortas="b-groups">groups</primary>
|
|
</indexterm>
|
|
</listitem>
|
|
</varlistentry>
|
|
|
|
<varlistentry id="head">
|
|
<term><command>head</command></term>
|
|
<listitem>
|
|
<para>Prints the first ten lines (or the given number of lines)
|
|
of each given file</para>
|
|
<indexterm zone="ch-system-coreutils head">
|
|
<primary sortas="b-head">head</primary>
|
|
</indexterm>
|
|
</listitem>
|
|
</varlistentry>
|
|
|
|
<varlistentry id="hostid">
|
|
<term><command>hostid</command></term>
|
|
<listitem>
|
|
<para>Reports the numeric identifier (in hexadecimal) of the host</para>
|
|
<indexterm zone="ch-system-coreutils hostid">
|
|
<primary sortas="b-hostid">hostid</primary>
|
|
</indexterm>
|
|
</listitem>
|
|
</varlistentry>
|
|
|
|
<varlistentry id="id">
|
|
<term><command>id</command></term>
|
|
<listitem>
|
|
<para>Reports the effective user ID, group ID, and group memberships
|
|
of the current user or specified user</para>
|
|
<indexterm zone="ch-system-coreutils id">
|
|
<primary sortas="b-id">id</primary>
|
|
</indexterm>
|
|
</listitem>
|
|
</varlistentry>
|
|
|
|
<varlistentry id="install">
|
|
<term><command>install</command> </term>
|
|
<listitem>
|
|
<para>Copies files while setting their permission modes and, if
|
|
possible, their owner and group</para>
|
|
<indexterm zone="ch-system-coreutils install">
|
|
<primary sortas="b-install">install</primary>
|
|
</indexterm>
|
|
</listitem>
|
|
</varlistentry>
|
|
|
|
<varlistentry id="join">
|
|
<term><command>join</command></term>
|
|
<listitem>
|
|
<para>Joins the lines that have identical join fields from two
|
|
separate files</para>
|
|
<indexterm zone="ch-system-coreutils join">
|
|
<primary sortas="b-join">join</primary>
|
|
</indexterm>
|
|
</listitem>
|
|
</varlistentry>
|
|
|
|
<varlistentry id="link">
|
|
<term><command>link</command></term>
|
|
<listitem>
|
|
<para>Creates a hard link (with the given name) to a file</para>
|
|
<indexterm zone="ch-system-coreutils link">
|
|
<primary sortas="b-link">link</primary>
|
|
</indexterm>
|
|
</listitem>
|
|
</varlistentry>
|
|
|
|
<varlistentry id="ln">
|
|
<term><command>ln</command></term>
|
|
<listitem>
|
|
<para>Makes hard links or soft (symbolic) links between files</para>
|
|
<indexterm zone="ch-system-coreutils ln">
|
|
<primary sortas="b-ln">ln</primary>
|
|
</indexterm>
|
|
</listitem>
|
|
</varlistentry>
|
|
|
|
<varlistentry id="logname">
|
|
<term><command>logname</command></term>
|
|
<listitem>
|
|
<para>Reports the current user's login name</para>
|
|
<indexterm zone="ch-system-coreutils logname">
|
|
<primary sortas="b-logname">logname</primary>
|
|
</indexterm>
|
|
</listitem>
|
|
</varlistentry>
|
|
|
|
<varlistentry id="ls">
|
|
<term><command>ls</command></term>
|
|
<listitem>
|
|
<para>Lists the contents of each given directory</para>
|
|
<indexterm zone="ch-system-coreutils ls">
|
|
<primary sortas="b-ls">ls</primary>
|
|
</indexterm>
|
|
</listitem>
|
|
</varlistentry>
|
|
|
|
<varlistentry id="md5sum">
|
|
<term><command>md5sum</command></term>
|
|
<listitem>
|
|
<para>Reports or checks Message Digest 5 (MD5) checksums</para>
|
|
<indexterm zone="ch-system-coreutils md5sum">
|
|
<primary sortas="b-md5sum">md5sum</primary>
|
|
</indexterm>
|
|
</listitem>
|
|
</varlistentry>
|
|
|
|
<varlistentry id="mkdir">
|
|
<term><command>mkdir</command></term>
|
|
<listitem>
|
|
<para>Creates directories with the given names</para>
|
|
<indexterm zone="ch-system-coreutils mkdir">
|
|
<primary sortas="b-mkdir">mkdir</primary>
|
|
</indexterm>
|
|
</listitem>
|
|
</varlistentry>
|
|
|
|
<varlistentry id="mkfifo">
|
|
<term><command>mkfifo</command></term>
|
|
<listitem>
|
|
<para>Creates First-In, First-Outs (FIFOs), "named
|
|
pipes" in UNIX parlance, with the given names</para>
|
|
<indexterm zone="ch-system-coreutils mkfifo">
|
|
<primary sortas="b-mkfifo">mkfifo</primary>
|
|
</indexterm>
|
|
</listitem>
|
|
</varlistentry>
|
|
|
|
<varlistentry id="mknod">
|
|
<term><command>mknod</command></term>
|
|
<listitem>
|
|
<para>Creates device nodes with the given names; a device node is a
|
|
character special file, a block special file, or a FIFO</para>
|
|
<indexterm zone="ch-system-coreutils mknod">
|
|
<primary sortas="b-mknod">mknod</primary>
|
|
</indexterm>
|
|
</listitem>
|
|
</varlistentry>
|
|
|
|
<varlistentry id="mktemp">
|
|
<term><command>mktemp</command></term>
|
|
<listitem>
|
|
<para>Creates temporary files in a secure manner; it is used in scripts</para>
|
|
<indexterm zone="ch-system-coreutils mktemp">
|
|
<primary sortas="b-mktemp">mktemp</primary>
|
|
</indexterm>
|
|
</listitem>
|
|
</varlistentry>
|
|
|
|
<varlistentry id="mv">
|
|
<term><command>mv</command></term>
|
|
<listitem>
|
|
<para>Moves or renames files or directories</para>
|
|
<indexterm zone="ch-system-coreutils mv">
|
|
<primary sortas="b-mv">mv</primary>
|
|
</indexterm>
|
|
</listitem>
|
|
</varlistentry>
|
|
|
|
<varlistentry id="nice">
|
|
<term><command>nice</command></term>
|
|
<listitem>
|
|
<para>Runs a program with modified scheduling priority</para>
|
|
<indexterm zone="ch-system-coreutils nice">
|
|
<primary sortas="b-nice">nice</primary>
|
|
</indexterm>
|
|
</listitem>
|
|
</varlistentry>
|
|
|
|
<varlistentry id="nl">
|
|
<term><command>nl</command></term>
|
|
<listitem>
|
|
<para>Numbers the lines from the given files</para>
|
|
<indexterm zone="ch-system-coreutils nl">
|
|
<primary sortas="b-nl">nl</primary>
|
|
</indexterm>
|
|
</listitem>
|
|
</varlistentry>
|
|
|
|
<varlistentry id="nohup">
|
|
<term><command>nohup</command></term>
|
|
<listitem>
|
|
<para>Runs a command immune to hangups, with its output redirected to
|
|
a log file</para>
|
|
<indexterm zone="ch-system-coreutils nohup">
|
|
<primary sortas="b-nohup">nohup</primary>
|
|
</indexterm>
|
|
</listitem>
|
|
</varlistentry>
|
|
|
|
<varlistentry id="nproc">
|
|
<term><command>nproc</command></term>
|
|
<listitem>
|
|
<para>Prints the number of processing units available to a
|
|
process</para>
|
|
<indexterm zone="ch-system-coreutils nproc">
|
|
<primary sortas="b-nproc">nproc</primary>
|
|
</indexterm>
|
|
</listitem>
|
|
</varlistentry>
|
|
|
|
<varlistentry id="numfmt">
|
|
<term><command>numfmt</command></term>
|
|
<listitem>
|
|
<para>Converts numbers to or from human-readable strings</para>
|
|
<indexterm zone="ch-system-coreutils numfmt">
|
|
<primary sortas="b-numfmt">numfmt</primary>
|
|
</indexterm>
|
|
</listitem>
|
|
</varlistentry>
|
|
|
|
<varlistentry id="od">
|
|
<term><command>od</command></term>
|
|
<listitem>
|
|
<para>Dumps files in octal and other formats</para>
|
|
<indexterm zone="ch-system-coreutils od">
|
|
<primary sortas="b-od">od</primary>
|
|
</indexterm>
|
|
</listitem>
|
|
</varlistentry>
|
|
|
|
<varlistentry id="paste">
|
|
<term><command>paste</command></term>
|
|
<listitem>
|
|
<para>Merges the given files, joining sequentially corresponding lines
|
|
side by side, separated by tab characters</para>
|
|
<indexterm zone="ch-system-coreutils paste">
|
|
<primary sortas="b-paste">paste</primary>
|
|
</indexterm>
|
|
</listitem>
|
|
</varlistentry>
|
|
|
|
<varlistentry id="pathchk">
|
|
<term><command>pathchk</command></term>
|
|
<listitem>
|
|
<para>Checks if file names are valid or portable</para>
|
|
<indexterm zone="ch-system-coreutils pathchk">
|
|
<primary sortas="b-pathchk">pathchk</primary>
|
|
</indexterm>
|
|
</listitem>
|
|
</varlistentry>
|
|
|
|
<varlistentry id="pinky">
|
|
<term><command>pinky</command></term>
|
|
<listitem>
|
|
<para>Is a lightweight finger client; it reports some information
|
|
about the given users</para>
|
|
<indexterm zone="ch-system-coreutils pinky">
|
|
<primary sortas="b-pinky">pinky</primary>
|
|
</indexterm>
|
|
</listitem>
|
|
</varlistentry>
|
|
|
|
<varlistentry id="pr">
|
|
<term><command>pr</command></term>
|
|
<listitem>
|
|
<para>Paginates and columnates files for printing</para>
|
|
<indexterm zone="ch-system-coreutils pr">
|
|
<primary sortas="b-pr">pr</primary>
|
|
</indexterm>
|
|
</listitem>
|
|
</varlistentry>
|
|
|
|
<varlistentry id="printenv">
|
|
<term><command>printenv</command></term>
|
|
<listitem>
|
|
<para>Prints the environment</para>
|
|
<indexterm zone="ch-system-coreutils printenv">
|
|
<primary sortas="b-printenv">printenv</primary>
|
|
</indexterm>
|
|
</listitem>
|
|
</varlistentry>
|
|
|
|
<varlistentry id="printf">
|
|
<term><command>printf</command></term>
|
|
<listitem>
|
|
<para>Prints the given arguments according to the given format, much
|
|
like the C printf function</para>
|
|
<indexterm zone="ch-system-coreutils printf">
|
|
<primary sortas="b-printf">printf</primary>
|
|
</indexterm>
|
|
</listitem>
|
|
</varlistentry>
|
|
|
|
<varlistentry id="ptx">
|
|
<term><command>ptx</command></term>
|
|
<listitem>
|
|
<para>Produces a permuted index from the contents of the given files,
|
|
with each keyword in its context</para>
|
|
<indexterm zone="ch-system-coreutils ptx">
|
|
<primary sortas="b-ptx">ptx</primary>
|
|
</indexterm>
|
|
</listitem>
|
|
</varlistentry>
|
|
|
|
<varlistentry id="pwd">
|
|
<term><command>pwd</command></term>
|
|
<listitem>
|
|
<para>Reports the name of the current working directory</para>
|
|
<indexterm zone="ch-system-coreutils pwd">
|
|
<primary sortas="b-pwd">pwd</primary>
|
|
</indexterm>
|
|
</listitem>
|
|
</varlistentry>
|
|
|
|
<varlistentry id="readlink">
|
|
<term><command>readlink</command></term>
|
|
<listitem>
|
|
<para>Reports the value of the given symbolic link</para>
|
|
<indexterm zone="ch-system-coreutils readlink">
|
|
<primary sortas="b-readlink">readlink</primary>
|
|
</indexterm>
|
|
</listitem>
|
|
</varlistentry>
|
|
|
|
<varlistentry id="realpath">
|
|
<term><command>realpath</command></term>
|
|
<listitem>
|
|
<para>Prints the resolved path</para>
|
|
<indexterm zone="ch-system-coreutils realpath">
|
|
<primary sortas="b-realpath">realpath</primary>
|
|
</indexterm>
|
|
</listitem>
|
|
</varlistentry>
|
|
|
|
<varlistentry id="rm">
|
|
<term><command>rm</command></term>
|
|
<listitem>
|
|
<para>Removes files or directories</para>
|
|
<indexterm zone="ch-system-coreutils rm">
|
|
<primary sortas="b-rm">rm</primary>
|
|
</indexterm>
|
|
</listitem>
|
|
</varlistentry>
|
|
|
|
<varlistentry id="rmdir">
|
|
<term><command>rmdir</command></term>
|
|
<listitem>
|
|
<para>Removes directories if they are empty</para>
|
|
<indexterm zone="ch-system-coreutils rmdir">
|
|
<primary sortas="b-rmdir">rmdir</primary>
|
|
</indexterm>
|
|
</listitem>
|
|
</varlistentry>
|
|
|
|
<varlistentry id="runcon">
|
|
<term><command>runcon</command></term>
|
|
<listitem>
|
|
<para>Runs a command with specified security context</para>
|
|
<indexterm zone="ch-system-coreutils runcon">
|
|
<primary sortas="b-runcon">runcon</primary>
|
|
</indexterm>
|
|
</listitem>
|
|
</varlistentry>
|
|
|
|
<varlistentry id="seq">
|
|
<term><command>seq</command></term>
|
|
<listitem>
|
|
<para>Prints a sequence of numbers within a given range and with a
|
|
given increment</para>
|
|
<indexterm zone="ch-system-coreutils seq">
|
|
<primary sortas="b-seq">seq</primary>
|
|
</indexterm>
|
|
</listitem>
|
|
</varlistentry>
|
|
|
|
<varlistentry id="sha1sum">
|
|
<term><command>sha1sum</command></term>
|
|
<listitem>
|
|
<para>Prints or checks 160-bit Secure Hash Algorithm 1 (SHA1)
|
|
checksums</para>
|
|
<indexterm zone="ch-system-coreutils sha1sum">
|
|
<primary sortas="b-sha1sum">sha1sum</primary>
|
|
</indexterm>
|
|
</listitem>
|
|
</varlistentry>
|
|
|
|
<varlistentry id="sha224sum">
|
|
<term><command>sha224sum</command></term>
|
|
<listitem>
|
|
<para>Prints or checks 224-bit Secure Hash Algorithm checksums</para>
|
|
<indexterm zone="ch-system-coreutils sha224sum">
|
|
<primary sortas="b-sha224sum">sha224sum</primary>
|
|
</indexterm>
|
|
</listitem>
|
|
</varlistentry>
|
|
|
|
<varlistentry id="sha256sum">
|
|
<term><command>sha256sum</command></term>
|
|
<listitem>
|
|
<para>Prints or checks 256-bit Secure Hash Algorithm checksums</para>
|
|
<indexterm zone="ch-system-coreutils sha256sum">
|
|
<primary sortas="b-sha256sum">sha256sum</primary>
|
|
</indexterm>
|
|
</listitem>
|
|
</varlistentry>
|
|
|
|
<varlistentry id="sha384sum">
|
|
<term><command>sha384sum</command></term>
|
|
<listitem>
|
|
<para>Prints or checks 384-bit Secure Hash Algorithm checksums</para>
|
|
<indexterm zone="ch-system-coreutils sha384sum">
|
|
<primary sortas="b-sha384sum">sha384sum</primary>
|
|
</indexterm>
|
|
</listitem>
|
|
</varlistentry>
|
|
|
|
<varlistentry id="sha512sum">
|
|
<term><command>sha512sum</command></term>
|
|
<listitem>
|
|
<para>Prints or checks 512-bit Secure Hash Algorithm checksums</para>
|
|
<indexterm zone="ch-system-coreutils sha512sum">
|
|
<primary sortas="b-sha512sum">sha512sum</primary>
|
|
</indexterm>
|
|
</listitem>
|
|
</varlistentry>
|
|
|
|
<varlistentry id="shred">
|
|
<term><command>shred</command></term>
|
|
<listitem>
|
|
<para>Overwrites the given files repeatedly with complex patterns,
|
|
making it difficult to recover the data</para>
|
|
<indexterm zone="ch-system-coreutils shred">
|
|
<primary sortas="b-shred">shred</primary>
|
|
</indexterm>
|
|
</listitem>
|
|
</varlistentry>
|
|
|
|
<varlistentry id="shuf">
|
|
<term><command>shuf</command></term>
|
|
<listitem>
|
|
<para>Shuffles lines of text</para>
|
|
<indexterm zone="ch-system-coreutils shuf">
|
|
<primary sortas="b-shuf">shuf</primary>
|
|
</indexterm>
|
|
</listitem>
|
|
</varlistentry>
|
|
|
|
<varlistentry id="sleep">
|
|
<term><command>sleep</command></term>
|
|
<listitem>
|
|
<para>Pauses for the given amount of time</para>
|
|
<indexterm zone="ch-system-coreutils sleep">
|
|
<primary sortas="b-sleep">sleep</primary>
|
|
</indexterm>
|
|
</listitem>
|
|
</varlistentry>
|
|
|
|
<varlistentry id="sort">
|
|
<term><command>sort</command></term>
|
|
<listitem>
|
|
<para>Sorts the lines from the given files</para>
|
|
<indexterm zone="ch-system-coreutils sort">
|
|
<primary sortas="b-sort">sort</primary>
|
|
</indexterm>
|
|
</listitem>
|
|
</varlistentry>
|
|
|
|
<varlistentry id="split">
|
|
<term><command>split</command></term>
|
|
<listitem>
|
|
<para>Splits the given file into pieces, by size or by number of
|
|
lines</para>
|
|
<indexterm zone="ch-system-coreutils split">
|
|
<primary sortas="b-split">split</primary>
|
|
</indexterm>
|
|
</listitem>
|
|
</varlistentry>
|
|
|
|
<varlistentry id="stat">
|
|
<term><command>stat</command></term>
|
|
<listitem>
|
|
<para>Displays file or filesystem status</para>
|
|
<indexterm zone="ch-system-coreutils stat">
|
|
<primary sortas="b-stat">stat</primary>
|
|
</indexterm>
|
|
</listitem>
|
|
</varlistentry>
|
|
|
|
<varlistentry id="stdbuf">
|
|
<term><command>stdbuf</command></term>
|
|
<listitem>
|
|
<para>Runs commands with altered buffering operations for its standard
|
|
streams</para>
|
|
<indexterm zone="ch-system-coreutils stdbuf">
|
|
<primary sortas="b-stdbuf">stdbuf</primary>
|
|
</indexterm>
|
|
</listitem>
|
|
</varlistentry>
|
|
|
|
<varlistentry id="stty">
|
|
<term><command>stty</command></term>
|
|
<listitem>
|
|
<para>Sets or reports terminal line settings</para>
|
|
<indexterm zone="ch-system-coreutils stty">
|
|
<primary sortas="b-stty">stty</primary>
|
|
</indexterm>
|
|
</listitem>
|
|
</varlistentry>
|
|
|
|
<varlistentry id="sum">
|
|
<term><command>sum</command></term>
|
|
<listitem>
|
|
<para>Prints checksum and block counts for each given file</para>
|
|
<indexterm zone="ch-system-coreutils sum">
|
|
<primary sortas="b-sum">sum</primary>
|
|
</indexterm>
|
|
</listitem>
|
|
</varlistentry>
|
|
|
|
<varlistentry id="sync">
|
|
<term><command>sync</command></term>
|
|
<listitem>
|
|
<para>Flushes file system buffers; it forces changed blocks to disk
|
|
and updates the super block</para>
|
|
<indexterm zone="ch-system-coreutils sync">
|
|
<primary sortas="b-sync">sync</primary>
|
|
</indexterm>
|
|
</listitem>
|
|
</varlistentry>
|
|
|
|
<varlistentry id="tac">
|
|
<term><command>tac</command></term>
|
|
<listitem>
|
|
<para>Concatenates the given files in reverse</para>
|
|
<indexterm zone="ch-system-coreutils tac">
|
|
<primary sortas="b-tac">tac</primary>
|
|
</indexterm>
|
|
</listitem>
|
|
</varlistentry>
|
|
|
|
<varlistentry id="tail">
|
|
<term><command>tail</command></term>
|
|
<listitem>
|
|
<para>Prints the last ten lines (or the given number of lines) of each
|
|
given file</para>
|
|
<indexterm zone="ch-system-coreutils tail">
|
|
<primary sortas="b-tail">tail</primary>
|
|
</indexterm>
|
|
</listitem>
|
|
</varlistentry>
|
|
|
|
<varlistentry id="tee">
|
|
<term><command>tee</command></term>
|
|
<listitem>
|
|
<para>Reads from standard input while writing both to standard output
|
|
and to the given files</para>
|
|
<indexterm zone="ch-system-coreutils tee">
|
|
<primary sortas="b-tee">tee</primary>
|
|
</indexterm>
|
|
</listitem>
|
|
</varlistentry>
|
|
|
|
<varlistentry id="test">
|
|
<term><command>test</command></term>
|
|
<listitem>
|
|
<para>Compares values and checks file types</para>
|
|
<indexterm zone="ch-system-coreutils test">
|
|
<primary sortas="b-test">test</primary>
|
|
</indexterm>
|
|
</listitem>
|
|
</varlistentry>
|
|
|
|
<varlistentry id="timeout">
|
|
<term><command>timeout</command></term>
|
|
<listitem>
|
|
<para>Runs a command with a time limit</para>
|
|
<indexterm zone="ch-system-coreutils timeout">
|
|
<primary sortas="b-timeout">timeout</primary>
|
|
</indexterm>
|
|
</listitem>
|
|
</varlistentry>
|
|
|
|
<varlistentry id="touch">
|
|
<term><command>touch</command></term>
|
|
<listitem>
|
|
<para>Changes file timestamps, setting the access and modification
|
|
times of the given files to the current time; files that do not exist
|
|
are created with zero length</para>
|
|
<indexterm zone="ch-system-coreutils touch">
|
|
<primary sortas="b-touch">touch</primary>
|
|
</indexterm>
|
|
</listitem>
|
|
</varlistentry>
|
|
|
|
<varlistentry id="tr">
|
|
<term><command>tr</command></term>
|
|
<listitem>
|
|
<para>Translates, squeezes, and deletes the given characters from
|
|
standard input</para>
|
|
<indexterm zone="ch-system-coreutils tr">
|
|
<primary sortas="b-tr">tr</primary>
|
|
</indexterm>
|
|
</listitem>
|
|
</varlistentry>
|
|
|
|
<varlistentry id="true">
|
|
<term><command>true</command></term>
|
|
<listitem>
|
|
<para>Does nothing, successfully; it always exits with a status code
|
|
indicating success</para>
|
|
<indexterm zone="ch-system-coreutils true">
|
|
<primary sortas="b-true">true</primary>
|
|
</indexterm>
|
|
</listitem>
|
|
</varlistentry>
|
|
|
|
<varlistentry id="truncate">
|
|
<term><command>truncate</command></term>
|
|
<listitem>
|
|
<para>Shrinks or expands a file to the specified size</para>
|
|
<indexterm zone="ch-system-coreutils truncate">
|
|
<primary sortas="b-truncate">truncate</primary>
|
|
</indexterm>
|
|
</listitem>
|
|
</varlistentry>
|
|
|
|
<varlistentry id="tsort">
|
|
<term><command>tsort</command></term>
|
|
<listitem>
|
|
<para>Performs a topological sort; it writes a completely ordered list
|
|
according to the partial ordering in a given file</para>
|
|
<indexterm zone="ch-system-coreutils tsort">
|
|
<primary sortas="b-tsort">tsort</primary>
|
|
</indexterm>
|
|
</listitem>
|
|
</varlistentry>
|
|
|
|
<varlistentry id="tty">
|
|
<term><command>tty</command></term>
|
|
<listitem>
|
|
<para>Reports the file name of the terminal connected to standard
|
|
input</para>
|
|
<indexterm zone="ch-system-coreutils tty">
|
|
<primary sortas="b-tty">tty</primary>
|
|
</indexterm>
|
|
</listitem>
|
|
</varlistentry>
|
|
|
|
<varlistentry id="uname">
|
|
<term><command>uname</command></term>
|
|
<listitem>
|
|
<para>Reports system information</para>
|
|
<indexterm zone="ch-system-coreutils uname">
|
|
<primary sortas="b-uname">uname</primary>
|
|
</indexterm>
|
|
</listitem>
|
|
</varlistentry>
|
|
|
|
<varlistentry id="unexpand">
|
|
<term><command>unexpand</command></term>
|
|
<listitem>
|
|
<para>Converts spaces to tabs</para>
|
|
<indexterm zone="ch-system-coreutils unexpand">
|
|
<primary sortas="b-unexpand">unexpand</primary>
|
|
</indexterm>
|
|
</listitem>
|
|
</varlistentry>
|
|
|
|
<varlistentry id="uniq">
|
|
<term><command>uniq</command></term>
|
|
<listitem>
|
|
<para>Discards all but one of successive identical lines</para>
|
|
<indexterm zone="ch-system-coreutils uniq">
|
|
<primary sortas="b-uniq">uniq</primary>
|
|
</indexterm>
|
|
</listitem>
|
|
</varlistentry>
|
|
|
|
<varlistentry id="unlink">
|
|
<term><command>unlink</command></term>
|
|
<listitem>
|
|
<para>Removes the given file</para>
|
|
<indexterm zone="ch-system-coreutils unlink">
|
|
<primary sortas="b-unlink">unlink</primary>
|
|
</indexterm>
|
|
</listitem>
|
|
</varlistentry>
|
|
|
|
<varlistentry id="users">
|
|
<term><command>users</command></term>
|
|
<listitem>
|
|
<para>Reports the names of the users currently logged on</para>
|
|
<indexterm zone="ch-system-coreutils users">
|
|
<primary sortas="b-users">users</primary>
|
|
</indexterm>
|
|
</listitem>
|
|
</varlistentry>
|
|
|
|
<varlistentry id="vdir">
|
|
<term><command>vdir</command></term>
|
|
<listitem>
|
|
<para>Is the same as <command>ls -l</command></para>
|
|
<indexterm zone="ch-system-coreutils vdir">
|
|
<primary sortas="b-vdir">vdir</primary>
|
|
</indexterm>
|
|
</listitem>
|
|
</varlistentry>
|
|
|
|
<varlistentry id="wc">
|
|
<term><command>wc</command></term>
|
|
<listitem>
|
|
<para>Reports the number of lines, words, and bytes for each given
|
|
file, as well as grand totals when more than one file is given</para>
|
|
<indexterm zone="ch-system-coreutils wc">
|
|
<primary sortas="b-wc">wc</primary>
|
|
</indexterm>
|
|
</listitem>
|
|
</varlistentry>
|
|
|
|
<varlistentry id="who">
|
|
<term><command>who</command></term>
|
|
<listitem>
|
|
<para>Reports who is logged on</para>
|
|
<indexterm zone="ch-system-coreutils who">
|
|
<primary sortas="b-who">who</primary>
|
|
</indexterm>
|
|
</listitem>
|
|
</varlistentry>
|
|
|
|
<varlistentry id="whoami">
|
|
<term><command>whoami</command></term>
|
|
<listitem>
|
|
<para>Reports the user name associated with the current effective
|
|
user ID</para>
|
|
<indexterm zone="ch-system-coreutils whoami">
|
|
<primary sortas="b-whoami">whoami</primary>
|
|
</indexterm>
|
|
</listitem>
|
|
</varlistentry>
|
|
|
|
<varlistentry id="yes">
|
|
<term><command>yes</command></term>
|
|
<listitem>
|
|
<para>Repeatedly outputs <literal>y</literal> or a given string,
|
|
until killed</para>
|
|
<indexterm zone="ch-system-coreutils yes">
|
|
<primary sortas="b-yes">yes</primary>
|
|
</indexterm>
|
|
</listitem>
|
|
</varlistentry>
|
|
|
|
<varlistentry id="libstdbuf">
|
|
<term><filename class="libraryfile">libstdbuf</filename></term>
|
|
<listitem>
|
|
<para>Library used by <command>stdbuf</command></para>
|
|
<indexterm zone="ch-system-coreutils libstdbuf">
|
|
<primary sortas="c-libstdbuf">libstdbuf</primary>
|
|
</indexterm>
|
|
</listitem>
|
|
</varlistentry>
|
|
|
|
</variablelist>
|
|
|
|
</sect2>
|
|
|
|
</sect1>
|