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Diffstat (limited to 'chapter06/coreutils.xml')
| -rw-r--r-- | chapter06/coreutils.xml | 1818 |
1 files changed, 1009 insertions, 809 deletions
diff --git a/chapter06/coreutils.xml b/chapter06/coreutils.xml index 051869109..8d114b927 100644 --- a/chapter06/coreutils.xml +++ b/chapter06/coreutils.xml @@ -1,871 +1,1071 @@ <?xml version="1.0" encoding="ISO-8859-1"?> -<!DOCTYPE sect1 PUBLIC "-//OASIS//DTD DocBook XML V4.4//EN" "http://www.oasis-open.org/docbook/xml/4.4/docbookx.dtd" [ +<!DOCTYPE sect1 PUBLIC "-//OASIS//DTD DocBook XML V4.4//EN" + "http://www.oasis-open.org/docbook/xml/4.4/docbookx.dtd" [ <!ENTITY % general-entities SYSTEM "../general.ent"> %general-entities; ]> + <sect1 id="ch-system-coreutils" role="wrap"> -<title>Coreutils-&coreutils-version;</title> -<?dbhtml filename="coreutils.html"?> + <?dbhtml filename="coreutils.html"?> + + <title>Coreutils-&coreutils-version;</title> + + <indexterm zone="ch-system-coreutils"> + <primary sortas="a-Coreutils">Coreutils</primary> + </indexterm> + + <sect2 role="package"> + <title/> -<indexterm zone="ch-system-coreutils"><primary sortas="a-Coreutils">Coreutils</primary></indexterm> + <para>The Coreutils package contains utilities for showing and setting the + basic system characteristics.</para> -<sect2 role="package"><title/> -<para>The Coreutils package contains utilities for showing and setting the -basic system characteristics.</para> + <segmentedlist> + <segtitle>&buildtime;</segtitle> + <segtitle>&diskspace;</segtitle> -<segmentedlist> -<segtitle>&buildtime;</segtitle> -<segtitle>&diskspace;</segtitle> -<seglistitem><seg>0.9 SBU</seg><seg>52.8 MB</seg></seglistitem> -</segmentedlist> + <seglistitem> + <seg>0.9 SBU</seg> + <seg>52.8 MB</seg> + </seglistitem> + </segmentedlist> -<segmentedlist> -<segtitle>&dependencies;</segtitle> -<seglistitem><seg>Bash, Binutils, Coreutils, Diffutils, GCC, -Gettext, Glibc, Grep, Make, Perl, and Sed</seg></seglistitem> -</segmentedlist> -</sect2> + <segmentedlist> + <segtitle>&dependencies;</segtitle> -<sect2 role="installation"> -<title>Installation of Coreutils</title> + <seglistitem> + <seg>Bash, Binutils, Coreutils, Diffutils, GCC, Gettext, Glibc, + Grep, Make, Perl, and Sed</seg> + </seglistitem> + </segmentedlist> -<para>A known issue with the <command>uname</command> program from -this package is that the <parameter>-p</parameter> switch always -returns <computeroutput>unknown</computeroutput>. The following patch -fixes this behavior for Intel architectures:</para> + </sect2> + + <sect2 role="installation"> + <title>Installation of Coreutils</title> + + <para>A known issue with the <command>uname</command> program from + this package is that the <parameter>-p</parameter> switch always + returns <computeroutput>unknown</computeroutput>. The following patch + fixes this behavior for Intel architectures:</para> <screen><userinput>patch -Np1 -i ../&coreutils-uname-patch;</userinput></screen> -<para>Prevent Coreutils from installing binaries that will be installed by -other packages later:</para> + <para>Prevent Coreutils from installing binaries that will be installed by + other packages later:</para> <screen><userinput>patch -Np1 -i ../&coreutils-suppress-patch;</userinput></screen> -<para>POSIX requires that programs from Coreutils recognize character -boundaries correctly even in multibyte locales. The following patch -fixes this non-compliance and other internationalization-related bugs:</para> + <para>POSIX requires that programs from Coreutils recognize character + boundaries correctly even in multibyte locales. The following patch + fixes this non-compliance and other internationalization-related bugs:</para> <screen><userinput>patch -Np1 -i ../&coreutils-i18n-patch;</userinput></screen> -<para>In order for the tests added by this patch to pass, the permissions for -the test file have to be changed:</para> + <para>In order for the tests added by this patch to pass, the permissions for + the test file have to be changed:</para> <screen><userinput>chmod +x tests/sort/sort-mb-tests</userinput></screen> -<note><para>In the past, many bugs were found in this patch. When reporting -new bugs to Coreutils maintainers, please check first if they are reproducible -without this patch.</para></note> + <note> + <para>In the past, many bugs were found in this patch. When reporting new + bugs to Coreutils maintainers, please check first if they are reproducible + without this patch.</para> + </note> -<para>It has been found that translated messages sometimes overflow a buffer -in the <command>who -Hu</command> command. Increase the buffer size:</para> + <para>It has been found that translated messages sometimes overflow a buffer + in the <command>who -Hu</command> command. Increase the buffer size:</para> <screen><userinput>sed -i 's/_LEN 6/_LEN 20/' src/who.c</userinput></screen> -<para>Now prepare Coreutils for compilation:</para> + <para>Now prepare Coreutils for compilation:</para> <screen><userinput>./configure --prefix=/usr</userinput></screen> -<para>Compile the package:</para> + <para>Compile the package:</para> <screen><userinput>make</userinput></screen> -<para>The test suite of Coreutils makes several assumptions about the presence -of system users and groups that are not valid within the minimal environment -that exists at the moment. Therefore, additional items need to be set up before -running the tests. Skip down to <quote>Install the package</quote> if not -running the test suite.</para> + <para>The test suite of Coreutils makes several assumptions about the + presence of system users and groups that are not valid within the minimal + environment that exists at the moment. Therefore, additional items need + to be set up before running the tests. Skip down to <quote>Install the + package</quote> if not running the test suite.</para> -<para>Create two dummy groups and a dummy user:</para> + <para>Create two dummy groups and a dummy user:</para> <screen><userinput>echo "dummy1:x:1000:" >> /etc/group echo "dummy2:x:1001:dummy" >> /etc/group echo "dummy:x:1000:1000::/root:/bin/bash" >> /etc/passwd</userinput></screen> -<para>Now the test suite is ready to be run. First, run the tests that -are meant to be run as user <emphasis>root</emphasis>:</para> + <para>Now the test suite is ready to be run. First, run the tests that are + meant to be run as user <systemitem class="username">root</systemitem>:</para> <screen><userinput>make NON_ROOT_USERNAME=dummy check-root</userinput></screen> -<para>Then run the remainder of the tests as the -<emphasis>dummy</emphasis> user:</para> + <para>Then run the remainder of the tests as the + <systemitem class="username">dummy</systemitem> user:</para> <screen><userinput>src/su dummy -c "make RUN_EXPENSIVE_TESTS=yes check"</userinput></screen> -<para>When testing is complete, remove the dummy user and -groups:</para> + <para>When testing is complete, remove the dummy user and groups:</para> <screen><userinput>sed -i '/dummy/d' /etc/passwd /etc/group</userinput></screen> -<para>Install the package:</para> + <para>Install the package:</para> <screen><userinput>make install</userinput></screen> -<para>Move programs to the locations specified by the FHS:</para> + <para>Move programs to the locations specified by the FHS:</para> <screen><userinput>mv -v /usr/bin/{cat,chgrp,chmod,chown,cp,date,dd,df,echo} /bin mv -v /usr/bin/{false,hostname,ln,ls,mkdir,mknod,mv,pwd,rm} /bin mv -v /usr/bin/{rmdir,stty,sync,true,uname} /bin mv -v /usr/bin/chroot /usr/sbin</userinput></screen> -<para>Some of the scripts in the LFS-Bootscripts package depend on -<command>head</command> and <command>sleep</command>. As -<filename class="directory">/usr</filename> may not be available during the -early stages of booting, those binaries need to be on the root partition:</para> + <para>Some of the scripts in the LFS-Bootscripts package depend on + <command>head</command> and <command>sleep</command>. As + <filename class="directory">/usr</filename> may not be available during the + early stages of booting, those binaries need to be on the root + partition:</para> <screen><userinput>mv -v /usr/bin/{head,sleep} /bin</userinput></screen> -</sect2> - - -<sect2 id="contents-coreutils" role="content"><title>Contents of Coreutils</title> - -<segmentedlist> -<segtitle>Installed programs</segtitle> -<seglistitem><seg>basename, cat, chgrp, chmod, chown, chroot, cksum, -comm, cp, csplit, cut, date, dd, df, dir, dircolors, dirname, du, -echo, env, expand, expr, factor, false, fmt, fold, groups, head, -hostid, hostname, id, install, join, link, ln, logname, ls, md5sum, -mkdir, mkfifo, mknod, mv, nice, nl, nohup, od, paste, pathchk, pinky, -pr, printenv, printf, ptx, pwd, readlink, rm, rmdir, seq, sha1sum, -shred, sleep, sort, split, stat, stty, sum, sync, tac, tail, tee, -test, touch, tr, true, tsort, tty, uname, unexpand, uniq, unlink, -users, vdir, wc, who, whoami, and yes</seg></seglistitem> -</segmentedlist> - -<variablelist><bridgehead renderas="sect3">Short Descriptions</bridgehead> -<?dbfo list-presentation="list"?> -<?dbhtml list-presentation="table"?> - -<varlistentry id="basename"> -<term><command>basename</command></term> -<listitem> -<para>Strips any path and a given suffix from a file name</para> -<indexterm zone="ch-system-coreutils basename"><primary sortas="b-basename">basename</primary></indexterm> -</listitem> -</varlistentry> - -<varlistentry id="cat"> -<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> - -<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> - -<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 make or an -octal number representing the new permissions</para> -<indexterm zone="ch-system-coreutils chmod"><primary sortas="b-chmod">chmod</primary></indexterm> -</listitem> -</varlistentry> - -<varlistentry id="chown"> -<term><command>chown</command></term> -<listitem> -<para>Changes the user and/or group ownership of files and directories</para> -<indexterm zone="ch-system-coreutils chown"><primary sortas="b-chown">chown</primary></indexterm> -</listitem> -</varlistentry> - -<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> - -<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"> -<term><command>comm</command></term> -<listitem> -<para>Compares two sorted files, outputting in three columns the lines -that are unique and the lines that are common</para> -<indexterm zone="ch-system-coreutils comm"><primary sortas="b-comm">comm</primary></indexterm> -</listitem> -</varlistentry> - -<varlistentry id="cp"> -<term><command>cp</command></term> -<listitem> -<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 time in the given format, or sets the -system date</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>Strips the non-directory suffix from a file name</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 all specified integer numbers</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="hostname"> -<term><command>hostname</command></term> -<listitem> -<para>Reports or sets the name of the host</para> -<indexterm zone="ch-system-coreutils hostname"><primary sortas="b-hostname">hostname</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), a <quote>named -pipe</quote> 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="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="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="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="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="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="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="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="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="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 a total line 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 <quote>y</quote> or a given string until -killed</para> -<indexterm zone="ch-system-coreutils yes"><primary sortas="b-yes">yes</primary></indexterm> -</listitem> -</varlistentry> -</variablelist> - -</sect2> + </sect2> + + + <sect2 id="contents-coreutils" role="content"> + <title>Contents of Coreutils</title> + + <segmentedlist> + <segtitle>Installed programs</segtitle> + + <seglistitem> + <seg>basename, cat, chgrp, chmod, chown, chroot, cksum, comm, cp, + csplit, cut, date, dd, df, dir, dircolors, dirname, du, echo, env, + expand, expr, factor, false, fmt, fold, groups, head, hostid, + hostname, id, install, join, link, ln, logname, ls, md5sum, mkdir, + mkfifo, mknod, mv, nice, nl, nohup, od, paste, pathchk, pinky, pr, + printenv, printf, ptx, pwd, readlink, rm, rmdir, seq, sha1sum, shred, + sleep, sort, split, stat, stty, sum, sync, tac, tail, tee, test, + touch, tr, true, tsort, tty, uname, unexpand, uniq, unlink, users, + vdir, wc, who, whoami, and yes</seg> + </seglistitem> + </segmentedlist> + + <variablelist> + <bridgehead renderas="sect3">Short Descriptions</bridgehead> + <?dbfo list-presentation="list"?> + <?dbhtml list-presentation="table"?> + + <varlistentry id="basename"> + <term><command>basename</command></term> + <listitem> + <para>Strips any path and a given suffix from a file name</para> + <indexterm zone="ch-system-coreutils basename"> + <primary sortas="b-basename">basename</primary> + </indexterm> + </listitem> + </varlistentry> + + <varlistentry id="cat"> + <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> + + <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> + + <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 make or an + octal number representing the new permissions</para> + <indexterm zone="ch-system-coreutils chmod"> + <primary sortas="b-chmod">chmod</primary> + </indexterm> + </listitem> + </varlistentry> + + <varlistentry id="chown"> + <term><command>chown</command></term> + <listitem> + <para>Changes the user and/or group ownership of files and + directories</para> + <indexterm zone="ch-system-coreutils chown"> + <primary sortas="b-chown">chown</primary> + </indexterm> + </listitem> + </varlistentry> + + <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> + + <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"> + <term><command>comm</command></term> + <listitem> + <para>Compares two sorted files, outputting in three columns the lines + that are unique and the lines that are common</para> + <indexterm zone="ch-system-coreutils comm"> + <primary sortas="b-comm">comm</primary> + </indexterm> + </listitem> + </varlistentry> + + <varlistentry id="cp"> + <term><command>cp</command></term> + <listitem> + <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 time in the given format, or sets the + system date</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>Strips the non-directory suffix from a file name</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 all specified integer numbers</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="hostname"> + <term><command>hostname</command></term> + <listitem> + <para>Reports or sets the name of the host</para> + <indexterm zone="ch-system-coreutils hostname"> + <primary sortas="b-hostname">hostname</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), a <quote>named + pipe</quote> 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="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="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="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="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="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="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="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="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="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 a total line 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 <quote>y</quote> or a given string until + killed</para> + <indexterm zone="ch-system-coreutils yes"> + <primary sortas="b-yes">yes</primary> + </indexterm> + </listitem> + </varlistentry> + + </variablelist> + + </sect2> </sect1> - |