[673b0d8] | 1 | <?xml version="1.0" encoding="ISO-8859-1"?>
|
---|
| 2 | <!DOCTYPE sect1 PUBLIC "-//OASIS//DTD DocBook XML V4.3//EN" "http://www.oasis-open.org/docbook/xml/4.3/docbookx.dtd" [
|
---|
| 3 | <!ENTITY % general-entities SYSTEM "../general.ent">
|
---|
| 4 | %general-entities;
|
---|
| 5 | ]>
|
---|
[a001133] | 6 | <sect1 id="ch-system-coreutils" xreflabel="Coreutils" role="wrap">
|
---|
[673b0d8] | 7 | <title>Coreutils-&coreutils-version;</title>
|
---|
| 8 | <?dbhtml filename="coreutils.html"?>
|
---|
| 9 |
|
---|
| 10 | <indexterm zone="ch-system-coreutils"><primary sortas="a-Coreutils">Coreutils</primary></indexterm>
|
---|
[bc82645e] | 11 |
|
---|
[a001133] | 12 | <sect2 role="package"><title/>
|
---|
[5888299] | 13 | <para>The Coreutils package contains utilities for showing and setting the
|
---|
| 14 | basic system characteristics.</para>
|
---|
| 15 |
|
---|
[a001133] | 16 | <segmentedlist>
|
---|
| 17 | <segtitle>&buildtime;</segtitle>
|
---|
| 18 | <segtitle>&diskspace;</segtitle>
|
---|
| 19 | <seglistitem><seg>0.9 SBU</seg><seg>69 MB</seg></seglistitem>
|
---|
| 20 | </segmentedlist>
|
---|
[673b0d8] | 21 |
|
---|
[a001133] | 22 | <segmentedlist>
|
---|
| 23 | <segtitle>Coreutils installation depends on</segtitle>
|
---|
| 24 | <seglistitem><seg>Bash, Binutils, Coreutils, Diffutils, GCC,
|
---|
| 25 | Gettext, Glibc, Grep, Make, Perl, Sed</seg></seglistitem>
|
---|
| 26 | </segmentedlist>
|
---|
| 27 | </sect2>
|
---|
[cd8e54e] | 28 |
|
---|
[a001133] | 29 | <sect2 role="installation">
|
---|
[73aedd1d] | 30 | <title>Installation of Coreutils</title>
|
---|
| 31 |
|
---|
[90e3cb3] | 32 | <para>Normally the functionality of <command>uname</command> is somewhat
|
---|
[3c928f1] | 33 | broken, in that the <parameter>-p</parameter> switch always returns
|
---|
| 34 | <computeroutput>unknown</computeroutput>. The following patch fixes this behavior for Intel
|
---|
[673b0d8] | 35 | architectures:</para>
|
---|
[73aedd1d] | 36 |
|
---|
[c6f6bd7] | 37 | <screen><userinput>patch -Np1 -i ../coreutils-&coreutils-version;-uname-2.patch</userinput></screen>
|
---|
[73aedd1d] | 38 |
|
---|
[ac55dee] | 39 | <para>Prevent Coreutils from installing binaries that will be later be installed
|
---|
| 40 | by other programs:</para>
|
---|
[73aedd1d] | 41 |
|
---|
[71bbe67] | 42 | <screen><userinput>patch -Np1 -i ../coreutils-&coreutils-version;-suppress_hostname_uptime_kill_su-1.patch</userinput></screen>
|
---|
[73aedd1d] | 43 |
|
---|
| 44 | <para>Now prepare Coreutils for compilation:</para>
|
---|
| 45 |
|
---|
[673b0d8] | 46 | <screen><userinput>DEFAULT_POSIX2_VERSION=199209 ./configure --prefix=/usr</userinput></screen>
|
---|
[73aedd1d] | 47 |
|
---|
| 48 | <para>Compile the package:</para>
|
---|
| 49 |
|
---|
| 50 | <screen><userinput>make</userinput></screen>
|
---|
| 51 |
|
---|
[cd0c92d6] | 52 | <para>The test suite of Coreutils makes several assumptions about the presence
|
---|
[673b0d8] | 53 | of files and users that aren't valid this early in the LFS build. We will
|
---|
[cd0c92d6] | 54 | therefore have to set up a few things before being able to run the tests. If
|
---|
[673b0d8] | 55 | you choose not to run these tests, skip down to <quote>Install the
|
---|
| 56 | package</quote>.</para>
|
---|
[cd0c92d6] | 57 |
|
---|
[9dfc02f] | 58 | <para>Create two dummy groups and a dummy user name:</para>
|
---|
[73aedd1d] | 59 |
|
---|
[cd0c92d6] | 60 | <screen><userinput>echo "dummy1:x:1000" >> /etc/group
|
---|
| 61 | echo "dummy2:x:1001:dummy" >> /etc/group
|
---|
| 62 | echo "dummy:x:1000:1000:::/bin/bash" >> /etc/passwd</userinput></screen>
|
---|
[73aedd1d] | 63 |
|
---|
[cd0c92d6] | 64 | <para>Now you're all set to run the test suite. First run the few tests that
|
---|
| 65 | are meant to be run as <emphasis>root</emphasis>:</para>
|
---|
[73aedd1d] | 66 |
|
---|
[1ba4207] | 67 | <screen><userinput>make NON_ROOT_USERNAME=dummy check-root</userinput></screen>
|
---|
[73aedd1d] | 68 |
|
---|
[cd0c92d6] | 69 | <para>Then run the remainder of the tests as the <emphasis>dummy</emphasis>
|
---|
[73aedd1d] | 70 | user:</para>
|
---|
| 71 |
|
---|
[ac55dee] | 72 | <screen><userinput>src/su dummy -c "make RUN_EXPENSIVE_TESTS=yes check"</userinput></screen>
|
---|
[73aedd1d] | 73 |
|
---|
[cd0c92d6] | 74 | <para>When you're done testing, remove the dummy user and groups:</para>
|
---|
[73aedd1d] | 75 |
|
---|
[8dffa04] | 76 | <screen><userinput>sed -i '/dummy/d' /etc/passwd /etc/group</userinput></screen>
|
---|
[73aedd1d] | 77 |
|
---|
| 78 | <para>Install the package:</para>
|
---|
| 79 |
|
---|
| 80 | <screen><userinput>make install</userinput></screen>
|
---|
| 81 |
|
---|
| 82 | <para>And move some programs to their proper locations:</para>
|
---|
| 83 |
|
---|
[9dfc02f] | 84 | <screen><userinput>mv /usr/bin/{[,basename,cat,chgrp,chmod,chown,cp,dd,df} /bin
|
---|
[5e33420] | 85 | mv /usr/bin/{date,echo,false,head,install,ln,ls} /bin
|
---|
| 86 | mv /usr/bin/{mkdir,mknod,mv,pwd,rm,rmdir,sync} /bin
|
---|
[ac55dee] | 87 | mv /usr/bin/{sleep,stty,test,touch,true,uname} /bin
|
---|
[73aedd1d] | 88 | mv /usr/bin/chroot /usr/sbin</userinput></screen>
|
---|
| 89 |
|
---|
[9dfc02f] | 90 | <para>Finally, create a symlink to be FHS-compliant:</para>
|
---|
[73aedd1d] | 91 |
|
---|
[9dfc02f] | 92 | <screen><userinput>ln -s ../../bin/install /usr/bin</userinput></screen>
|
---|
[73aedd1d] | 93 |
|
---|
| 94 | </sect2>
|
---|
[bc82645e] | 95 |
|
---|
[5888299] | 96 |
|
---|
[c6cb3aa] | 97 | <sect2 id="contents-coreutils" role="content"><title>Contents of Coreutils</title>
|
---|
[673b0d8] | 98 |
|
---|
[c6cb3aa] | 99 | <segmentedlist>
|
---|
| 100 | <segtitle>Installed programs</segtitle>
|
---|
| 101 | <seglistitem><seg>basename, cat, chgrp, chmod,
|
---|
[673b0d8] | 102 | chown, chroot, cksum, comm, cp, csplit, cut, date, dd, df, dir, dircolors,
|
---|
| 103 | dirname, du, echo, env, expand, expr, factor, false, fmt, fold, groups, head,
|
---|
| 104 | hostid, hostname, id, install, join, link, ln, logname, ls, md5sum,
|
---|
| 105 | mkdir, mkfifo, mknod, mv, nice, nl, nohup, od, paste, pathchk, pinky, pr,
|
---|
| 106 | printenv, printf, ptx, pwd, readlink, rm, rmdir, seq, sha1sum, shred, sleep,
|
---|
| 107 | sort, split, stat, stty, su, sum, sync, tac, tail, tee, test, touch, tr, true,
|
---|
| 108 | tsort, tty, uname, unexpand, uniq, unlink, uptime, users, vdir, wc, who,
|
---|
[c6cb3aa] | 109 | whoami and yes</seg></seglistitem>
|
---|
| 110 | </segmentedlist>
|
---|
[673b0d8] | 111 |
|
---|
[c6cb3aa] | 112 | <variablelist><title>Short descriptions</title>
|
---|
[673b0d8] | 113 |
|
---|
[b8a819f] | 114 | <varlistentry id="basename">
|
---|
| 115 | <term><command>basename</command></term>
|
---|
[c6cb3aa] | 116 | <listitem>
|
---|
[673b0d8] | 117 | <indexterm zone="ch-system-coreutils basename"><primary sortas="b-basename">basename</primary></indexterm>
|
---|
[c6cb3aa] | 118 | <para>strips any path and a given suffix from the given file name.</para>
|
---|
| 119 | </listitem>
|
---|
| 120 | </varlistentry>
|
---|
[673b0d8] | 121 |
|
---|
[b8a819f] | 122 | <varlistentry id="cat">
|
---|
| 123 | <term><command>cat</command></term>
|
---|
[c6cb3aa] | 124 | <listitem>
|
---|
[673b0d8] | 125 | <indexterm zone="ch-system-coreutils cat"><primary sortas="b-cat">cat</primary></indexterm>
|
---|
[c6cb3aa] | 126 | <para>concatenates files to standard output.</para>
|
---|
| 127 | </listitem>
|
---|
| 128 | </varlistentry>
|
---|
[673b0d8] | 129 |
|
---|
[b8a819f] | 130 | <varlistentry id="chgrp">
|
---|
| 131 | <term><command>chgrp</command></term>
|
---|
[c6cb3aa] | 132 | <listitem>
|
---|
[673b0d8] | 133 | <indexterm zone="ch-system-coreutils chgrp"><primary sortas="b-chgrp">chgrp</primary></indexterm>
|
---|
[c6cb3aa] | 134 | <para>changes the group ownership of each given file to the given group. The
|
---|
| 135 | group can be either given a a name or a numeric ID.</para>
|
---|
| 136 | </listitem>
|
---|
| 137 | </varlistentry>
|
---|
| 138 |
|
---|
[b8a819f] | 139 | <varlistentry id="chmod">
|
---|
| 140 | <term><command>chmod</command></term>
|
---|
[c6cb3aa] | 141 | <listitem>
|
---|
[673b0d8] | 142 | <indexterm zone="ch-system-coreutils chmod"><primary sortas="b-chmod">chmod</primary></indexterm>
|
---|
[c6cb3aa] | 143 | <para>changes the permissions of each given file
|
---|
[673b0d8] | 144 | to the given mode. The mode can be either a symbolic representation of the
|
---|
| 145 | changes to make, or an octal number representing the new permissions.</para>
|
---|
[c6cb3aa] | 146 | </listitem>
|
---|
| 147 | </varlistentry>
|
---|
[673b0d8] | 148 |
|
---|
[b8a819f] | 149 | <varlistentry id="chown">
|
---|
| 150 | <term><command>chown</command></term>
|
---|
[c6cb3aa] | 151 | <listitem>
|
---|
[673b0d8] | 152 | <indexterm zone="ch-system-coreutils chown"><primary sortas="b-chown">chown</primary></indexterm>
|
---|
[c6cb3aa] | 153 | <para>changes the user and/or group ownership of
|
---|
[673b0d8] | 154 | each given file to the given user:group pair.</para>
|
---|
[c6cb3aa] | 155 | </listitem>
|
---|
| 156 | </varlistentry>
|
---|
[673b0d8] | 157 |
|
---|
[b8a819f] | 158 | <varlistentry id="chroot">
|
---|
| 159 | <term><command>chroot</command></term>
|
---|
[c6cb3aa] | 160 | <listitem>
|
---|
[673b0d8] | 161 | <indexterm zone="ch-system-coreutils chroot"><primary sortas="b-chroot">chroot</primary></indexterm>
|
---|
[c6cb3aa] | 162 | <para>runs a given command with the specified directory as the
|
---|
[3c928f1] | 163 | <filename class="directory">/</filename> directory. The given command can be an interactive shell.
|
---|
[c6cb3aa] | 164 | On most systems only <emphasis>root</emphasis> can do this.</para>
|
---|
| 165 | </listitem>
|
---|
| 166 | </varlistentry>
|
---|
| 167 |
|
---|
[b8a819f] | 168 | <varlistentry id="cksum">
|
---|
| 169 | <term><command>cksum</command></term>
|
---|
[c6cb3aa] | 170 | <listitem>
|
---|
[673b0d8] | 171 | <indexterm zone="ch-system-coreutils cksum"><primary sortas="b-cksum">cksum</primary></indexterm>
|
---|
[c6cb3aa] | 172 | <para>prints the CRC (Cyclic Redundancy Check) checksum and the byte
|
---|
[673b0d8] | 173 | counts of each specified file.</para>
|
---|
[c6cb3aa] | 174 | </listitem>
|
---|
| 175 | </varlistentry>
|
---|
[673b0d8] | 176 |
|
---|
[b8a819f] | 177 | <varlistentry id="comm">
|
---|
| 178 | <term><command>comm</command></term>
|
---|
[c6cb3aa] | 179 | <listitem>
|
---|
[673b0d8] | 180 | <indexterm zone="ch-system-coreutils comm"><primary sortas="b-comm">comm</primary></indexterm>
|
---|
[c6cb3aa] | 181 | <para>compares two sorted files, outputting in
|
---|
[673b0d8] | 182 | three columns the lines that are unique, and the lines that are common.</para>
|
---|
[c6cb3aa] | 183 | </listitem>
|
---|
| 184 | </varlistentry>
|
---|
[673b0d8] | 185 |
|
---|
[b8a819f] | 186 | <varlistentry id="cp">
|
---|
| 187 | <term><command>cp</command></term>
|
---|
[c6cb3aa] | 188 | <listitem>
|
---|
[673b0d8] | 189 | <indexterm zone="ch-system-coreutils cp"><primary sortas="b-cp">cp</primary></indexterm>
|
---|
[c6cb3aa] | 190 | <para>copies files.</para>
|
---|
| 191 | </listitem>
|
---|
| 192 | </varlistentry>
|
---|
[673b0d8] | 193 |
|
---|
[b8a819f] | 194 | <varlistentry id="csplit">
|
---|
| 195 | <term><command>csplit</command></term>
|
---|
[c6cb3aa] | 196 | <listitem>
|
---|
[673b0d8] | 197 | <indexterm zone="ch-system-coreutils csplit"><primary sortas="b-csplit">csplit</primary></indexterm>
|
---|
[c6cb3aa] | 198 | <para>splits a given file into several new files,
|
---|
[673b0d8] | 199 | separating them according to given patterns or line numbers, and outputting
|
---|
| 200 | the byte count of each new file.</para>
|
---|
[c6cb3aa] | 201 | </listitem>
|
---|
| 202 | </varlistentry>
|
---|
[673b0d8] | 203 |
|
---|
[b8a819f] | 204 | <varlistentry id="cut">
|
---|
| 205 | <term><command>cut</command></term>
|
---|
[c6cb3aa] | 206 | <listitem>
|
---|
[673b0d8] | 207 | <indexterm zone="ch-system-coreutils cut"><primary sortas="b-cut">cut</primary></indexterm>
|
---|
[c6cb3aa] | 208 | <para>prints parts of lines, selecting the parts
|
---|
[673b0d8] | 209 | according to given fields or positions.</para>
|
---|
[c6cb3aa] | 210 | </listitem>
|
---|
| 211 | </varlistentry>
|
---|
[673b0d8] | 212 |
|
---|
[b8a819f] | 213 | <varlistentry id="date">
|
---|
| 214 | <term><command>date</command></term>
|
---|
[c6cb3aa] | 215 | <listitem>
|
---|
[673b0d8] | 216 | <indexterm zone="ch-system-coreutils date"><primary sortas="b-date">date</primary></indexterm>
|
---|
[c6cb3aa] | 217 | <para>displays the current time in the given format, or sets the system date.</para>
|
---|
| 218 | </listitem>
|
---|
| 219 | </varlistentry>
|
---|
[673b0d8] | 220 |
|
---|
[b8a819f] | 221 | <varlistentry id="dd">
|
---|
| 222 | <term><command>dd</command> </term>
|
---|
[c6cb3aa] | 223 | <listitem>
|
---|
[673b0d8] | 224 | <indexterm zone="ch-system-coreutils dd"><primary sortas="b-dd">dd</primary></indexterm>
|
---|
[c6cb3aa] | 225 | <para>copies a file using the given block size and
|
---|
[673b0d8] | 226 | count, while optionally performing conversions on it.</para>
|
---|
[c6cb3aa] | 227 | </listitem>
|
---|
| 228 | </varlistentry>
|
---|
[673b0d8] | 229 |
|
---|
[b8a819f] | 230 | <varlistentry id="df">
|
---|
| 231 | <term><command>df</command></term>
|
---|
[c6cb3aa] | 232 | <listitem>
|
---|
[673b0d8] | 233 | <indexterm zone="ch-system-coreutils df"><primary sortas="b-df">df</primary></indexterm>
|
---|
[c6cb3aa] | 234 | <para>reports the amount of disk space available
|
---|
[673b0d8] | 235 | (and used) on all mounted file systems, or only on the file systems holding the
|
---|
| 236 | given files.</para>
|
---|
[c6cb3aa] | 237 | </listitem>
|
---|
| 238 | </varlistentry>
|
---|
[673b0d8] | 239 |
|
---|
[b8a819f] | 240 | <varlistentry id="dir">
|
---|
| 241 | <term><command>dir</command></term>
|
---|
[c6cb3aa] | 242 | <listitem>
|
---|
[673b0d8] | 243 | <indexterm zone="ch-system-coreutils dir"><primary sortas="b-dir">dir</primary></indexterm>
|
---|
[3c928f1] | 244 | <para>is the same as <command>ls</command>.</para>
|
---|
[c6cb3aa] | 245 | </listitem>
|
---|
| 246 | </varlistentry>
|
---|
[673b0d8] | 247 |
|
---|
[b8a819f] | 248 | <varlistentry id="dircolors">
|
---|
| 249 | <term><command>dircolors</command></term>
|
---|
[c6cb3aa] | 250 | <listitem>
|
---|
[673b0d8] | 251 | <indexterm zone="ch-system-coreutils dircolors"><primary sortas="b-dircolors">dircolors</primary></indexterm>
|
---|
[c6cb3aa] | 252 | <para>outputs commands to set the LS_COLOR
|
---|
[3c928f1] | 253 | environment variable, to change the color scheme used by <command>ls</command>.</para>
|
---|
[c6cb3aa] | 254 | </listitem>
|
---|
| 255 | </varlistentry>
|
---|
[673b0d8] | 256 |
|
---|
[b8a819f] | 257 | <varlistentry id="dirname">
|
---|
| 258 | <term><command>dirname</command></term>
|
---|
[c6cb3aa] | 259 | <listitem>
|
---|
[673b0d8] | 260 | <indexterm zone="ch-system-coreutils dirname"><primary sortas="b-dirname">dirname</primary></indexterm>
|
---|
[c6cb3aa] | 261 | <para>strips the non-directory suffix from a given file name.</para>
|
---|
| 262 | </listitem>
|
---|
| 263 | </varlistentry>
|
---|
[673b0d8] | 264 |
|
---|
[b8a819f] | 265 | <varlistentry id="du">
|
---|
| 266 | <term><command>du</command></term>
|
---|
[c6cb3aa] | 267 | <listitem>
|
---|
[673b0d8] | 268 | <indexterm zone="ch-system-coreutils du"><primary sortas="b-du">du</primary></indexterm>
|
---|
[c6cb3aa] | 269 | <para>reports the amount of disk space used by the
|
---|
[673b0d8] | 270 | current directory, or by each of the given directories including all their
|
---|
| 271 | subdirectories, or by each of the given files.</para>
|
---|
[c6cb3aa] | 272 | </listitem>
|
---|
| 273 | </varlistentry>
|
---|
[673b0d8] | 274 |
|
---|
[b8a819f] | 275 | <varlistentry id="echo">
|
---|
| 276 | <term><command>echo</command></term>
|
---|
[c6cb3aa] | 277 | <listitem>
|
---|
[673b0d8] | 278 | <indexterm zone="ch-system-coreutils echo"><primary sortas="b-echo">echo</primary></indexterm>
|
---|
[c6cb3aa] | 279 | <para>displays the given strings.</para>
|
---|
| 280 | </listitem>
|
---|
| 281 | </varlistentry>
|
---|
[673b0d8] | 282 |
|
---|
[b8a819f] | 283 | <varlistentry id="env">
|
---|
| 284 | <term><command>env</command></term>
|
---|
[c6cb3aa] | 285 | <listitem>
|
---|
[673b0d8] | 286 | <indexterm zone="ch-system-coreutils env"><primary sortas="b-env">env</primary></indexterm>
|
---|
[c6cb3aa] | 287 | <para>runs a command in a modified environment.</para>
|
---|
| 288 | </listitem>
|
---|
| 289 | </varlistentry>
|
---|
[673b0d8] | 290 |
|
---|
[b8a819f] | 291 | <varlistentry id="expand">
|
---|
| 292 | <term><command>expand</command></term>
|
---|
[c6cb3aa] | 293 | <listitem>
|
---|
[673b0d8] | 294 | <indexterm zone="ch-system-coreutils expand"><primary sortas="b-expand">expand</primary></indexterm>
|
---|
[c6cb3aa] | 295 | <para>converts tabs to spaces.</para>
|
---|
| 296 | </listitem>
|
---|
| 297 | </varlistentry>
|
---|
[673b0d8] | 298 |
|
---|
[b8a819f] | 299 | <varlistentry id="expr">
|
---|
| 300 | <term><command>expr</command></term>
|
---|
[c6cb3aa] | 301 | <listitem>
|
---|
[673b0d8] | 302 | <indexterm zone="ch-system-coreutils expr"><primary sortas="b-expr">expr</primary></indexterm>
|
---|
[c6cb3aa] | 303 | <para>evaluates expressions.</para>
|
---|
| 304 | </listitem>
|
---|
| 305 | </varlistentry>
|
---|
[673b0d8] | 306 |
|
---|
[b8a819f] | 307 | <varlistentry id="factor">
|
---|
| 308 | <term><command>factor</command></term>
|
---|
[c6cb3aa] | 309 | <listitem>
|
---|
[673b0d8] | 310 | <indexterm zone="ch-system-coreutils factor"><primary sortas="b-factor">factor</primary></indexterm>
|
---|
[c6cb3aa] | 311 | <para>prints the prime factors of all specified integer numbers.</para>
|
---|
| 312 | </listitem>
|
---|
| 313 | </varlistentry>
|
---|
[673b0d8] | 314 |
|
---|
[b8a819f] | 315 | <varlistentry id="false">
|
---|
| 316 | <term><command>false</command></term>
|
---|
[c6cb3aa] | 317 | <listitem>
|
---|
[673b0d8] | 318 | <indexterm zone="ch-system-coreutils false"><primary sortas="b-false">false</primary></indexterm>
|
---|
[c6cb3aa] | 319 | <para>does nothing, unsuccessfully. It always
|
---|
[673b0d8] | 320 | exits with a status code indicating failure.</para>
|
---|
[c6cb3aa] | 321 | </listitem>
|
---|
| 322 | </varlistentry>
|
---|
[673b0d8] | 323 |
|
---|
[b8a819f] | 324 | <varlistentry id="mt">
|
---|
| 325 | <term><command>fmt</command></term>
|
---|
[c6cb3aa] | 326 | <listitem>
|
---|
[673b0d8] | 327 | <indexterm zone="ch-system-coreutils mt"><primary sortas="b-mt">mt</primary></indexterm>
|
---|
[c6cb3aa] | 328 | <para>reformats the paragraphs in the given files.</para>
|
---|
| 329 | </listitem>
|
---|
| 330 | </varlistentry>
|
---|
[673b0d8] | 331 |
|
---|
[b8a819f] | 332 | <varlistentry id="fold">
|
---|
| 333 | <term><command>fold</command></term>
|
---|
[c6cb3aa] | 334 | <listitem>
|
---|
[673b0d8] | 335 | <indexterm zone="ch-system-coreutils fold"><primary sortas="b-fold">fold</primary></indexterm>
|
---|
[c6cb3aa] | 336 | <para>wraps the lines in the given files.</para>
|
---|
| 337 | </listitem>
|
---|
| 338 | </varlistentry>
|
---|
[673b0d8] | 339 |
|
---|
[b8a819f] | 340 | <varlistentry id="groups-coreutils">
|
---|
| 341 | <term><command>groups</command></term>
|
---|
[c6cb3aa] | 342 | <listitem>
|
---|
[673b0d8] | 343 | <indexterm zone="ch-system-coreutils groups-coreutils"><primary sortas="b-groups-coreutils">groups</primary></indexterm>
|
---|
[c6cb3aa] | 344 | <para>reports a user's group memberships.</para>
|
---|
| 345 | </listitem>
|
---|
| 346 | </varlistentry>
|
---|
[673b0d8] | 347 |
|
---|
[b8a819f] | 348 | <varlistentry id="head">
|
---|
| 349 | <term><command>head</command></term>
|
---|
[c6cb3aa] | 350 | <listitem>
|
---|
[673b0d8] | 351 | <indexterm zone="ch-system-coreutils head"><primary sortas="b-head">head</primary></indexterm>
|
---|
[c6cb3aa] | 352 | <para>prints the first ten lines (or the given number of lines) of each given file.</para>
|
---|
| 353 | </listitem>
|
---|
| 354 | </varlistentry>
|
---|
[673b0d8] | 355 |
|
---|
[b8a819f] | 356 | <varlistentry id="hostid">
|
---|
| 357 | <term><command>hostid</command></term>
|
---|
[c6cb3aa] | 358 | <listitem>
|
---|
[673b0d8] | 359 | <indexterm zone="ch-system-coreutils hostid"><primary sortas="b-hostid">hostid</primary></indexterm>
|
---|
[c6cb3aa] | 360 | <para>reports the numeric identifier (in hexadecimal) of the host.</para>
|
---|
| 361 | </listitem>
|
---|
| 362 | </varlistentry>
|
---|
[673b0d8] | 363 |
|
---|
[b8a819f] | 364 | <varlistentry id="hostname-coreutils">
|
---|
| 365 | <term><command>hostname</command></term>
|
---|
[c6cb3aa] | 366 | <listitem>
|
---|
[673b0d8] | 367 | <indexterm zone="ch-system-coreutils hostname-coreutils"><primary sortas="b-hostname-coreutils">hostname</primary></indexterm>
|
---|
[c6cb3aa] | 368 | <para>reports or sets the name of the host.</para>
|
---|
| 369 | </listitem>
|
---|
| 370 | </varlistentry>
|
---|
[673b0d8] | 371 |
|
---|
[b8a819f] | 372 | <varlistentry id="id">
|
---|
| 373 | <term><command>id</command></term>
|
---|
[c6cb3aa] | 374 | <listitem>
|
---|
[673b0d8] | 375 | <indexterm zone="ch-system-coreutils id"><primary sortas="b-id">id</primary></indexterm>
|
---|
[c6cb3aa] | 376 | <para>reports the effective user ID, group ID, and
|
---|
[673b0d8] | 377 | group memberships of the current user, or of a given user.</para>
|
---|
[c6cb3aa] | 378 | </listitem>
|
---|
| 379 | </varlistentry>
|
---|
[673b0d8] | 380 |
|
---|
[b8a819f] | 381 | <varlistentry id="install">
|
---|
| 382 | <term><command>install</command> </term>
|
---|
[c6cb3aa] | 383 | <listitem>
|
---|
[673b0d8] | 384 | <indexterm zone="ch-system-coreutils install"><primary sortas="b-install">install</primary></indexterm>
|
---|
[c6cb3aa] | 385 | <para>copies files while setting their
|
---|
[673b0d8] | 386 | permission modes and, if possible, their owner and group.</para>
|
---|
[c6cb3aa] | 387 | </listitem>
|
---|
| 388 | </varlistentry>
|
---|
[673b0d8] | 389 |
|
---|
[b8a819f] | 390 | <varlistentry id="join">
|
---|
| 391 | <term><command>join</command></term>
|
---|
[c6cb3aa] | 392 | <listitem>
|
---|
[673b0d8] | 393 | <indexterm zone="ch-system-coreutils join"><primary sortas="b-join">join</primary></indexterm>
|
---|
[c6cb3aa] | 394 | <para>joins from two files the lines that have identical join fields.</para>
|
---|
| 395 | </listitem>
|
---|
| 396 | </varlistentry>
|
---|
[673b0d8] | 397 |
|
---|
[b8a819f] | 398 | <varlistentry id="link">
|
---|
| 399 | <term><command>link</command></term>
|
---|
[c6cb3aa] | 400 | <listitem>
|
---|
[673b0d8] | 401 | <indexterm zone="ch-system-coreutils link"><primary sortas="b-link">link</primary></indexterm>
|
---|
[c6cb3aa] | 402 | <para>creates a hard link with the given name to the given file.</para>
|
---|
| 403 | </listitem>
|
---|
| 404 | </varlistentry>
|
---|
[673b0d8] | 405 |
|
---|
[b8a819f] | 406 | <varlistentry id="ln">
|
---|
| 407 | <term><command>ln</command></term>
|
---|
[c6cb3aa] | 408 | <listitem>
|
---|
[673b0d8] | 409 | <indexterm zone="ch-system-coreutils ln"><primary sortas="b-ln">ln</primary></indexterm>
|
---|
[c6cb3aa] | 410 | <para>makes hard links or soft links between files.</para>
|
---|
| 411 | </listitem>
|
---|
| 412 | </varlistentry>
|
---|
[673b0d8] | 413 |
|
---|
[b8a819f] | 414 | <varlistentry id="logname">
|
---|
| 415 | <term><command>logname</command></term>
|
---|
[c6cb3aa] | 416 | <listitem>
|
---|
[673b0d8] | 417 | <indexterm zone="ch-system-coreutils logname"><primary sortas="b-logname">logname</primary></indexterm>
|
---|
[c6cb3aa] | 418 | <para>reports the current user's login name.</para>
|
---|
| 419 | </listitem>
|
---|
| 420 | </varlistentry>
|
---|
[673b0d8] | 421 |
|
---|
[b8a819f] | 422 | <varlistentry id="ls">
|
---|
| 423 | <term><command>ls</command></term>
|
---|
[c6cb3aa] | 424 | <listitem>
|
---|
[673b0d8] | 425 | <indexterm zone="ch-system-coreutils ls"><primary sortas="b-ls">ls</primary></indexterm>
|
---|
[c6cb3aa] | 426 | <para>lists the contents of each given directory.
|
---|
[673b0d8] | 427 | By default it orders the files and subdirectories alphabetically.</para>
|
---|
[c6cb3aa] | 428 | </listitem>
|
---|
| 429 | </varlistentry>
|
---|
[673b0d8] | 430 |
|
---|
[b8a819f] | 431 | <varlistentry id="md5sum">
|
---|
| 432 | <term><command>md5sum</command></term>
|
---|
[c6cb3aa] | 433 | <listitem>
|
---|
[673b0d8] | 434 | <indexterm zone="ch-system-coreutils md5sum"><primary sortas="b-md5sum">md5sum</primary></indexterm>
|
---|
[c6cb3aa] | 435 | <para>reports or checks MD5 (Message Digest 5) checksums.</para>
|
---|
| 436 | </listitem>
|
---|
| 437 | </varlistentry>
|
---|
[673b0d8] | 438 |
|
---|
[b8a819f] | 439 | <varlistentry id="mkdir">
|
---|
| 440 | <term><command>mkdir</command></term>
|
---|
[c6cb3aa] | 441 | <listitem>
|
---|
[673b0d8] | 442 | <indexterm zone="ch-system-coreutils mkdir"><primary sortas="b-mkdir">mkdir</primary></indexterm>
|
---|
[c6cb3aa] | 443 | <para>creates directories with the given names.</para>
|
---|
| 444 | </listitem>
|
---|
| 445 | </varlistentry>
|
---|
[673b0d8] | 446 |
|
---|
[b8a819f] | 447 | <varlistentry id="mkfifo">
|
---|
| 448 | <term><command>mkfifo</command></term>
|
---|
[c6cb3aa] | 449 | <listitem>
|
---|
[673b0d8] | 450 | <indexterm zone="ch-system-coreutils mkfifo"><primary sortas="b-mkfifo">mkfifo</primary></indexterm>
|
---|
[3c928f1] | 451 | <para>creates FIFOs (First-In, First-Out, a <quote>named pipe</quote> in UNIX parlance) with
|
---|
[c6cb3aa] | 452 | the given names.</para>
|
---|
| 453 | </listitem>
|
---|
| 454 | </varlistentry>
|
---|
| 455 |
|
---|
[b8a819f] | 456 | <varlistentry id="mknod">
|
---|
| 457 | <term><command>mknod</command></term>
|
---|
[c6cb3aa] | 458 | <listitem>
|
---|
[673b0d8] | 459 | <indexterm zone="ch-system-coreutils mknod"><primary sortas="b-mknod">mknod</primary></indexterm>
|
---|
[c6cb3aa] | 460 | <para>creates device nodes with the given names.
|
---|
[673b0d8] | 461 | A device node is a character special file, or a block special file, or a FIFO.</para>
|
---|
[c6cb3aa] | 462 | </listitem>
|
---|
| 463 | </varlistentry>
|
---|
[673b0d8] | 464 |
|
---|
[b8a819f] | 465 | <varlistentry id="mv">
|
---|
| 466 | <term><command>mv</command></term>
|
---|
[c6cb3aa] | 467 | <listitem>
|
---|
[673b0d8] | 468 | <indexterm zone="ch-system-coreutils mv"><primary sortas="b-mv">mv</primary></indexterm>
|
---|
[c6cb3aa] | 469 | <para>moves or renames files or directories.</para>
|
---|
| 470 | </listitem>
|
---|
| 471 | </varlistentry>
|
---|
[673b0d8] | 472 |
|
---|
[b8a819f] | 473 | <varlistentry id="nice">
|
---|
| 474 | <term><command>nice</command></term>
|
---|
[c6cb3aa] | 475 | <listitem>
|
---|
[673b0d8] | 476 | <indexterm zone="ch-system-coreutils nice"><primary sortas="b-nice">nice</primary></indexterm>
|
---|
[c6cb3aa] | 477 | <para>runs a program with modified scheduling priority.</para>
|
---|
| 478 | </listitem>
|
---|
| 479 | </varlistentry>
|
---|
[673b0d8] | 480 |
|
---|
[b8a819f] | 481 | <varlistentry id="nl">
|
---|
| 482 | <term><command>nl</command></term>
|
---|
[c6cb3aa] | 483 | <listitem>
|
---|
[673b0d8] | 484 | <indexterm zone="ch-system-coreutils nl"><primary sortas="b-nl">nl</primary></indexterm>
|
---|
[c6cb3aa] | 485 | <para>numbers the lines from the given files.</para>
|
---|
| 486 | </listitem>
|
---|
| 487 | </varlistentry>
|
---|
[673b0d8] | 488 |
|
---|
[b8a819f] | 489 | <varlistentry id="nohup">
|
---|
| 490 | <term><command>nohup</command></term>
|
---|
[c6cb3aa] | 491 | <listitem>
|
---|
[673b0d8] | 492 | <indexterm zone="ch-system-coreutils nohup"><primary sortas="b-nohup">nohup</primary></indexterm>
|
---|
[c6cb3aa] | 493 | <para>runs a command immune to hangups, with
|
---|
[673b0d8] | 494 | output redirected to a log file.</para>
|
---|
[c6cb3aa] | 495 | </listitem>
|
---|
| 496 | </varlistentry>
|
---|
[673b0d8] | 497 |
|
---|
[b8a819f] | 498 | <varlistentry id="od">
|
---|
| 499 | <term><command>od</command></term>
|
---|
[c6cb3aa] | 500 | <listitem>
|
---|
[673b0d8] | 501 | <indexterm zone="ch-system-coreutils od"><primary sortas="b-od">od</primary></indexterm>
|
---|
[c6cb3aa] | 502 | <para>dumps files in octal and other formats.</para>
|
---|
| 503 | </listitem>
|
---|
| 504 | </varlistentry>
|
---|
[673b0d8] | 505 |
|
---|
[b8a819f] | 506 | <varlistentry id="paste">
|
---|
| 507 | <term><command>paste</command></term>
|
---|
[c6cb3aa] | 508 | <listitem>
|
---|
[673b0d8] | 509 | <indexterm zone="ch-system-coreutils paste"><primary sortas="b-paste">paste</primary></indexterm>
|
---|
[c6cb3aa] | 510 | <para>merges the given files, joining
|
---|
[673b0d8] | 511 | sequentially corresponding lines side by side, separated by tab characters..</para>
|
---|
[c6cb3aa] | 512 | </listitem>
|
---|
| 513 | </varlistentry>
|
---|
[673b0d8] | 514 |
|
---|
[b8a819f] | 515 | <varlistentry id="pathchk">
|
---|
| 516 | <term><command>pathchk</command></term>
|
---|
[c6cb3aa] | 517 | <listitem>
|
---|
[673b0d8] | 518 | <indexterm zone="ch-system-coreutils pathchk"><primary sortas="b-pathchk">pathchk</primary></indexterm>
|
---|
[c6cb3aa] | 519 | <para>checks whether file names are valid or portable.</para>
|
---|
| 520 | </listitem>
|
---|
| 521 | </varlistentry>
|
---|
[673b0d8] | 522 |
|
---|
[b8a819f] | 523 | <varlistentry id="pinky">
|
---|
| 524 | <term><command>pinky</command></term>
|
---|
[c6cb3aa] | 525 | <listitem>
|
---|
[673b0d8] | 526 | <indexterm zone="ch-system-coreutils pinky"><primary sortas="b-pinky">pinky</primary></indexterm>
|
---|
[c6cb3aa] | 527 | <para>is a lightweight finger. It reports some information about the given users.</para>
|
---|
| 528 | </listitem>
|
---|
| 529 | </varlistentry>
|
---|
[673b0d8] | 530 |
|
---|
[b8a819f] | 531 | <varlistentry id="pr">
|
---|
| 532 | <term><command>pr</command></term>
|
---|
[c6cb3aa] | 533 | <listitem>
|
---|
[673b0d8] | 534 | <indexterm zone="ch-system-coreutils pr"><primary sortas="b-pr">pr</primary></indexterm>
|
---|
[c6cb3aa] | 535 | <para>paginates and columnates files for printing.</para>
|
---|
| 536 | </listitem>
|
---|
| 537 | </varlistentry>
|
---|
[673b0d8] | 538 |
|
---|
[b8a819f] | 539 | <varlistentry id="printenv">
|
---|
| 540 | <term><command>printenv</command></term>
|
---|
[c6cb3aa] | 541 | <listitem>
|
---|
[673b0d8] | 542 | <indexterm zone="ch-system-coreutils printenv"><primary sortas="b-printenv">printenv</primary></indexterm>
|
---|
[c6cb3aa] | 543 | <para>prints the environment.</para>
|
---|
| 544 | </listitem>
|
---|
| 545 | </varlistentry>
|
---|
[673b0d8] | 546 |
|
---|
[b8a819f] | 547 | <varlistentry id="printf">
|
---|
| 548 | <term><command>printf</command></term>
|
---|
[c6cb3aa] | 549 | <listitem>
|
---|
[673b0d8] | 550 | <indexterm zone="ch-system-coreutils printf"><primary sortas="b-printf">printf</primary></indexterm>
|
---|
[c6cb3aa] | 551 | <para>prints the given arguments according to the
|
---|
[673b0d8] | 552 | given format -- much like the C printf function.</para>
|
---|
[c6cb3aa] | 553 | </listitem>
|
---|
| 554 | </varlistentry>
|
---|
[673b0d8] | 555 |
|
---|
[b8a819f] | 556 | <varlistentry id="ptx">
|
---|
| 557 | <term><command>ptx</command></term>
|
---|
[c6cb3aa] | 558 | <listitem>
|
---|
[673b0d8] | 559 | <indexterm zone="ch-system-coreutils ptx"><primary sortas="b-ptx">ptx</primary></indexterm>
|
---|
[c6cb3aa] | 560 | <para>produces from the contents of the given files
|
---|
[673b0d8] | 561 | a permuted index, with each keyword in its context.</para>
|
---|
[c6cb3aa] | 562 | </listitem>
|
---|
| 563 | </varlistentry>
|
---|
[673b0d8] | 564 |
|
---|
[b8a819f] | 565 | <varlistentry id="pwd">
|
---|
| 566 | <term><command>pwd</command></term>
|
---|
[c6cb3aa] | 567 | <listitem>
|
---|
[673b0d8] | 568 | <indexterm zone="ch-system-coreutils pwd"><primary sortas="b-pwd">pwd</primary></indexterm>
|
---|
[c6cb3aa] | 569 | <para>reports the name of the current directory.</para>
|
---|
| 570 | </listitem>
|
---|
| 571 | </varlistentry>
|
---|
[673b0d8] | 572 |
|
---|
[b8a819f] | 573 | <varlistentry id="readlink">
|
---|
| 574 | <term><command>readlink</command></term>
|
---|
[c6cb3aa] | 575 | <listitem>
|
---|
[673b0d8] | 576 | <indexterm zone="ch-system-coreutils readlink"><primary sortas="b-readlink">readlink</primary></indexterm>
|
---|
[c6cb3aa] | 577 | <para>reports the value of the given symbolic link.</para>
|
---|
| 578 | </listitem>
|
---|
| 579 | </varlistentry>
|
---|
[673b0d8] | 580 |
|
---|
[b8a819f] | 581 | <varlistentry id="rm">
|
---|
| 582 | <term><command>rm</command></term>
|
---|
[c6cb3aa] | 583 | <listitem>
|
---|
[673b0d8] | 584 | <indexterm zone="ch-system-coreutils rm"><primary sortas="b-rm">rm</primary></indexterm>
|
---|
[c6cb3aa] | 585 | <para>removes files or directories.</para>
|
---|
| 586 | </listitem>
|
---|
| 587 | </varlistentry>
|
---|
[673b0d8] | 588 |
|
---|
[b8a819f] | 589 | <varlistentry id="rmdir">
|
---|
| 590 | <term><command>rmdir</command></term>
|
---|
[c6cb3aa] | 591 | <listitem>
|
---|
[673b0d8] | 592 | <indexterm zone="ch-system-coreutils rmdir"><primary sortas="b-rmdir">rmdir</primary></indexterm>
|
---|
[c6cb3aa] | 593 | <para>removes directories, if they are empty.</para>
|
---|
| 594 | </listitem>
|
---|
| 595 | </varlistentry>
|
---|
[673b0d8] | 596 |
|
---|
[b8a819f] | 597 | <varlistentry id="seq">
|
---|
| 598 | <term><command>seq</command></term>
|
---|
[c6cb3aa] | 599 | <listitem>
|
---|
[673b0d8] | 600 | <indexterm zone="ch-system-coreutils seq"><primary sortas="b-seq">seq</primary></indexterm>
|
---|
[c6cb3aa] | 601 | <para>prints a sequence of numbers, within a given
|
---|
[673b0d8] | 602 | range and with a given increment.</para>
|
---|
[c6cb3aa] | 603 | </listitem>
|
---|
| 604 | </varlistentry>
|
---|
[673b0d8] | 605 |
|
---|
[b8a819f] | 606 | <varlistentry id="sha1sum">
|
---|
| 607 | <term><command>sha1sum</command></term>
|
---|
[c6cb3aa] | 608 | <listitem>
|
---|
[673b0d8] | 609 | <indexterm zone="ch-system-coreutils sha1sum"><primary sortas="b-sha1sum">sha1sum</primary></indexterm>
|
---|
[c6cb3aa] | 610 | <para>prints or checks 160-bit SHA1 checksums.</para>
|
---|
| 611 | </listitem>
|
---|
| 612 | </varlistentry>
|
---|
[673b0d8] | 613 |
|
---|
[b8a819f] | 614 | <varlistentry id="shred">
|
---|
| 615 | <term><command>shred</command></term>
|
---|
[c6cb3aa] | 616 | <listitem>
|
---|
[673b0d8] | 617 | <indexterm zone="ch-system-coreutils shred"><primary sortas="b-shred">shred</primary></indexterm>
|
---|
[c6cb3aa] | 618 | <para>overwrites the given files repeatedly with
|
---|
[673b0d8] | 619 | strange patterns, to make it real hard to recover the data.</para>
|
---|
[c6cb3aa] | 620 | </listitem>
|
---|
| 621 | </varlistentry>
|
---|
[673b0d8] | 622 |
|
---|
[b8a819f] | 623 | <varlistentry id="sleep">
|
---|
| 624 | <term><command>sleep</command></term>
|
---|
[c6cb3aa] | 625 | <listitem>
|
---|
[673b0d8] | 626 | <indexterm zone="ch-system-coreutils sleep"><primary sortas="b-sleep">sleep</primary></indexterm>
|
---|
[c6cb3aa] | 627 | <para>pauses for the given amount of time.</para>
|
---|
| 628 | </listitem>
|
---|
| 629 | </varlistentry>
|
---|
[673b0d8] | 630 |
|
---|
[b8a819f] | 631 | <varlistentry id="sort">
|
---|
| 632 | <term><command>sort</command></term>
|
---|
[c6cb3aa] | 633 | <listitem>
|
---|
[673b0d8] | 634 | <indexterm zone="ch-system-coreutils sort"><primary sortas="b-sort">sort</primary></indexterm>
|
---|
[c6cb3aa] | 635 | <para>sorts the lines from the given files.</para>
|
---|
| 636 | </listitem>
|
---|
| 637 | </varlistentry>
|
---|
[673b0d8] | 638 |
|
---|
[b8a819f] | 639 | <varlistentry id="split">
|
---|
| 640 | <term><command>split</command></term>
|
---|
[c6cb3aa] | 641 | <listitem>
|
---|
[673b0d8] | 642 | <indexterm zone="ch-system-coreutils split"><primary sortas="b-split">split</primary></indexterm>
|
---|
[c6cb3aa] | 643 | <para>splits the given file into pieces, by size or by numbspliter of lines.</para>
|
---|
| 644 | </listitem>
|
---|
| 645 | </varlistentry>
|
---|
[673b0d8] | 646 |
|
---|
[b8a819f] | 647 | <varlistentry id="stty">
|
---|
| 648 | <term><command>stty</command></term>
|
---|
[c6cb3aa] | 649 | <listitem>
|
---|
[673b0d8] | 650 | <indexterm zone="ch-system-coreutils stty"><primary sortas="b-stty">stty</primary></indexterm>
|
---|
[c6cb3aa] | 651 | <para>sets or reports terminal line settings.</para>
|
---|
| 652 | </listitem>
|
---|
| 653 | </varlistentry>
|
---|
[673b0d8] | 654 |
|
---|
[b8a819f] | 655 | <varlistentry id="su">
|
---|
| 656 | <term><command>su</command></term>
|
---|
[c6cb3aa] | 657 | <listitem>
|
---|
[673b0d8] | 658 | <indexterm zone="ch-system-coreutils su"><primary sortas="b-su">su</primary></indexterm>
|
---|
[c6cb3aa] | 659 | <para>runs a shell with substitute user and group IDs.</para>
|
---|
| 660 | </listitem>
|
---|
| 661 | </varlistentry>
|
---|
[673b0d8] | 662 |
|
---|
[b8a819f] | 663 | <varlistentry id="sum">
|
---|
| 664 | <term><command>sum</command></term>
|
---|
[c6cb3aa] | 665 | <listitem>
|
---|
[673b0d8] | 666 | <indexterm zone="ch-system-coreutils sum"><primary sortas="b-sum">sum</primary></indexterm>
|
---|
[c6cb3aa] | 667 | <para>prints checksum and block counts for each given file.</para>
|
---|
| 668 | </listitem>
|
---|
| 669 | </varlistentry>
|
---|
[673b0d8] | 670 |
|
---|
[b8a819f] | 671 | <varlistentry id="sync">
|
---|
| 672 | <term><command>sync</command></term>
|
---|
[c6cb3aa] | 673 | <listitem>
|
---|
[673b0d8] | 674 | <indexterm zone="ch-system-coreutils sync"><primary sortas="b-sync">sync</primary></indexterm>
|
---|
[c6cb3aa] | 675 | <para>flushes file system buffers. It forces
|
---|
[673b0d8] | 676 | changed blocks to disk and updates the super block.</para>
|
---|
[c6cb3aa] | 677 | </listitem>
|
---|
| 678 | </varlistentry>
|
---|
[673b0d8] | 679 |
|
---|
[b8a819f] | 680 | <varlistentry id="tac">
|
---|
| 681 | <term><command>tac</command></term>
|
---|
[c6cb3aa] | 682 | <listitem>
|
---|
[673b0d8] | 683 | <indexterm zone="ch-system-coreutils tac"><primary sortas="b-tac">tac</primary></indexterm>
|
---|
[c6cb3aa] | 684 | <para>concatenates the given files in reverse.</para>
|
---|
| 685 | </listitem>
|
---|
| 686 | </varlistentry>
|
---|
[673b0d8] | 687 |
|
---|
[b8a819f] | 688 | <varlistentry id="tail">
|
---|
| 689 | <term><command>tail</command></term>
|
---|
[c6cb3aa] | 690 | <listitem>
|
---|
[673b0d8] | 691 | <indexterm zone="ch-system-coreutils tail"><primary sortas="b-tail">tail</primary></indexterm>
|
---|
[c6cb3aa] | 692 | <para>prints the last ten lines (or the given number of lines) of each given file.</para>
|
---|
| 693 | </listitem>
|
---|
| 694 | </varlistentry>
|
---|
[673b0d8] | 695 |
|
---|
[b8a819f] | 696 | <varlistentry id="tee">
|
---|
| 697 | <term><command>tee</command></term>
|
---|
[c6cb3aa] | 698 | <listitem>
|
---|
[673b0d8] | 699 | <indexterm zone="ch-system-coreutils tee"><primary sortas="b-tee">tee</primary></indexterm>
|
---|
[c6cb3aa] | 700 | <para>reads from standard input while writing both
|
---|
[673b0d8] | 701 | to standard output and to the given files.</para>
|
---|
[c6cb3aa] | 702 | </listitem>
|
---|
| 703 | </varlistentry>
|
---|
[673b0d8] | 704 |
|
---|
[b8a819f] | 705 | <varlistentry id="test">
|
---|
| 706 | <term><command>test</command></term>
|
---|
[c6cb3aa] | 707 | <listitem>
|
---|
[673b0d8] | 708 | <indexterm zone="ch-system-coreutils test"><primary sortas="b-test">test</primary></indexterm>
|
---|
[c6cb3aa] | 709 | <para>compares values and checks file types.</para>
|
---|
| 710 | </listitem>
|
---|
| 711 | </varlistentry>
|
---|
[673b0d8] | 712 |
|
---|
[b8a819f] | 713 | <varlistentry id="touch">
|
---|
| 714 | <term><command>touch</command></term>
|
---|
[c6cb3aa] | 715 | <listitem>
|
---|
[673b0d8] | 716 | <indexterm zone="ch-system-coreutils touch"><primary sortas="b-touch">touch</primary></indexterm>
|
---|
[c6cb3aa] | 717 | <para>changes file timestamps, setting the access
|
---|
[673b0d8] | 718 | and modification times of the given files to the current time. Files that do
|
---|
| 719 | not exist are created with zero length.</para>
|
---|
[c6cb3aa] | 720 | </listitem>
|
---|
| 721 | </varlistentry>
|
---|
[673b0d8] | 722 |
|
---|
[b8a819f] | 723 | <varlistentry id="tr">
|
---|
| 724 | <term><command>tr</command></term>
|
---|
[c6cb3aa] | 725 | <listitem>
|
---|
[673b0d8] | 726 | <indexterm zone="ch-system-coreutils tr"><primary sortas="b-tr">tr</primary></indexterm>
|
---|
[c6cb3aa] | 727 | <para>translates, squeezes, and deletes the given
|
---|
[673b0d8] | 728 | characters from standard input.</para>
|
---|
[c6cb3aa] | 729 | </listitem>
|
---|
| 730 | </varlistentry>
|
---|
[673b0d8] | 731 |
|
---|
[b8a819f] | 732 | <varlistentry id="true">
|
---|
| 733 | <term><command>true</command></term>
|
---|
[c6cb3aa] | 734 | <listitem>
|
---|
[673b0d8] | 735 | <indexterm zone="ch-system-coreutils true"><primary sortas="b-true">true</primary></indexterm>
|
---|
[c6cb3aa] | 736 | <para>does nothing, successfully. It always exits
|
---|
[673b0d8] | 737 | with a status code indicating success.</para>
|
---|
[c6cb3aa] | 738 | </listitem>
|
---|
| 739 | </varlistentry>
|
---|
[673b0d8] | 740 |
|
---|
[b8a819f] | 741 | <varlistentry id="tsort">
|
---|
| 742 | <term><command>tsort</command></term>
|
---|
[c6cb3aa] | 743 | <listitem>
|
---|
[673b0d8] | 744 | <indexterm zone="ch-system-coreutils tsort"><primary sortas="b-tsort">tsort</primary></indexterm>
|
---|
[c6cb3aa] | 745 | <para>performs a topological sort. It writes a
|
---|
[673b0d8] | 746 | totally ordered list according to the partial ordering in a given file.</para>
|
---|
[c6cb3aa] | 747 | </listitem>
|
---|
| 748 | </varlistentry>
|
---|
[673b0d8] | 749 |
|
---|
[b8a819f] | 750 | <varlistentry id="tty">
|
---|
| 751 | <term><command>tty</command></term>
|
---|
[c6cb3aa] | 752 | <listitem>
|
---|
[673b0d8] | 753 | <indexterm zone="ch-system-coreutils tty"><primary sortas="b-tty">tty</primary></indexterm>
|
---|
[c6cb3aa] | 754 | <para>reports the file name of the terminal connected to standard input.</para>
|
---|
| 755 | </listitem>
|
---|
| 756 | </varlistentry>
|
---|
[673b0d8] | 757 |
|
---|
[b8a819f] | 758 | <varlistentry id="uname">
|
---|
| 759 | <term><command>uname</command></term>
|
---|
[c6cb3aa] | 760 | <listitem>
|
---|
[673b0d8] | 761 | <indexterm zone="ch-system-coreutils uname"><primary sortas="b-uname">uname</primary></indexterm>
|
---|
[c6cb3aa] | 762 | <para>reports system information.</para>
|
---|
| 763 | </listitem>
|
---|
| 764 | </varlistentry>
|
---|
[673b0d8] | 765 |
|
---|
[b8a819f] | 766 | <varlistentry id="unexpand">
|
---|
| 767 | <term><command>unexpand</command></term>
|
---|
[c6cb3aa] | 768 | <listitem>
|
---|
[673b0d8] | 769 | <indexterm zone="ch-system-coreutils unexpand"><primary sortas="b-unexpand">unexpand</primary></indexterm>
|
---|
[c6cb3aa] | 770 | <para>converts spaces to tabs.</para>
|
---|
| 771 | </listitem>
|
---|
| 772 | </varlistentry>
|
---|
[673b0d8] | 773 |
|
---|
[b8a819f] | 774 | <varlistentry id="uniq">
|
---|
| 775 | <term><command>uniq</command></term>
|
---|
[c6cb3aa] | 776 | <listitem>
|
---|
[673b0d8] | 777 | <indexterm zone="ch-system-coreutils uniq"><primary sortas="b-uniq">uniq</primary></indexterm>
|
---|
[c6cb3aa] | 778 | <para>discards all but one of successive identical lines.</para>
|
---|
| 779 | </listitem>
|
---|
| 780 | </varlistentry>
|
---|
[673b0d8] | 781 |
|
---|
[b8a819f] | 782 | <varlistentry id="unlink">
|
---|
| 783 | <term><command>unlink</command></term>
|
---|
[c6cb3aa] | 784 | <listitem>
|
---|
[673b0d8] | 785 | <indexterm zone="ch-system-coreutils unlink"><primary sortas="b-unlink">unlink</primary></indexterm>
|
---|
[c6cb3aa] | 786 | <para>removes the given file.</para>
|
---|
| 787 | </listitem>
|
---|
| 788 | </varlistentry>
|
---|
[673b0d8] | 789 |
|
---|
[b8a819f] | 790 | <varlistentry id="uptime-coreutils">
|
---|
| 791 | <term><command>uptime</command></term>
|
---|
[c6cb3aa] | 792 | <listitem>
|
---|
[673b0d8] | 793 | <indexterm zone="ch-system-coreutils uptime-coreutils"><primary sortas="b-uptime-coreutils">uptime</primary></indexterm>
|
---|
[c6cb3aa] | 794 | <para>reports how long the system has been
|
---|
[673b0d8] | 795 | running, how many users are logged on, and the system load averages.</para>
|
---|
[c6cb3aa] | 796 | </listitem>
|
---|
| 797 | </varlistentry>
|
---|
[673b0d8] | 798 |
|
---|
[b8a819f] | 799 | <varlistentry id="users">
|
---|
| 800 | <term><command>users</command></term>
|
---|
[c6cb3aa] | 801 | <listitem>
|
---|
[673b0d8] | 802 | <indexterm zone="ch-system-coreutils users"><primary sortas="b-users">users</primary></indexterm>
|
---|
[c6cb3aa] | 803 | <para>reports the names of the users currently logged on.</para>
|
---|
| 804 | </listitem>
|
---|
| 805 | </varlistentry>
|
---|
[673b0d8] | 806 |
|
---|
[b8a819f] | 807 | <varlistentry id="vdir">
|
---|
| 808 | <term><command>vdir</command></term>
|
---|
[c6cb3aa] | 809 | <listitem>
|
---|
[673b0d8] | 810 | <indexterm zone="ch-system-coreutils vdir"><primary sortas="b-vdir">vdir</primary></indexterm>
|
---|
[3c928f1] | 811 | <para>is the same as <command>ls -l</command>.</para>
|
---|
[c6cb3aa] | 812 | </listitem>
|
---|
| 813 | </varlistentry>
|
---|
[673b0d8] | 814 |
|
---|
[b8a819f] | 815 | <varlistentry id="wc">
|
---|
| 816 | <term><command>wc</command></term>
|
---|
[c6cb3aa] | 817 | <listitem>
|
---|
[673b0d8] | 818 | <indexterm zone="ch-system-coreutils wc"><primary sortas="b-wc">wc</primary></indexterm>
|
---|
[c6cb3aa] | 819 | <para>reports the number of lines, words, and bytes
|
---|
[673b0d8] | 820 | for each given file, and a total line when more than one file is given.</para>
|
---|
[c6cb3aa] | 821 | </listitem>
|
---|
| 822 | </varlistentry>
|
---|
[673b0d8] | 823 |
|
---|
[b8a819f] | 824 | <varlistentry id="who">
|
---|
| 825 | <term><command>who</command></term>
|
---|
[c6cb3aa] | 826 | <listitem>
|
---|
[673b0d8] | 827 | <indexterm zone="ch-system-coreutils who"><primary sortas="b-who">who</primary></indexterm>
|
---|
[c6cb3aa] | 828 | <para>reports who is logged on.</para>
|
---|
| 829 | </listitem>
|
---|
| 830 | </varlistentry>
|
---|
[673b0d8] | 831 |
|
---|
[b8a819f] | 832 | <varlistentry id="whoami">
|
---|
| 833 | <term><command>whoami</command></term>
|
---|
[c6cb3aa] | 834 | <listitem>
|
---|
[673b0d8] | 835 | <indexterm zone="ch-system-coreutils whoami"><primary sortas="b-whoami">whoami</primary></indexterm>
|
---|
[c6cb3aa] | 836 | <para>reports the user name associated with the current effective user ID.</para>
|
---|
| 837 | </listitem>
|
---|
| 838 | </varlistentry>
|
---|
[673b0d8] | 839 |
|
---|
[b8a819f] | 840 | <varlistentry id="yes">
|
---|
| 841 | <term><command>yes</command></term>
|
---|
[c6cb3aa] | 842 | <listitem>
|
---|
[673b0d8] | 843 | <indexterm zone="ch-system-coreutils yes"><primary sortas="b-yes">yes</primary></indexterm>
|
---|
[3c928f1] | 844 | <para>outputs <quote>y</quote> or a given string repeatedly, until killed.</para>
|
---|
[c6cb3aa] | 845 | </listitem>
|
---|
| 846 | </varlistentry>
|
---|
| 847 | </variablelist>
|
---|
[673b0d8] | 848 |
|
---|
| 849 | </sect2>
|
---|
| 850 |
|
---|
| 851 | </sect1>
|
---|