source: chapter08/util-linux.xml@ adcaa44d

multilib
Last change on this file since adcaa44d was 796b226a, checked in by Thomas Trepl <thomas@…>, 14 months ago

Automatic merge of trunk into multilib

  • Property mode set to 100644
File size: 52.5 KB
Line 
1<?xml version="1.0" encoding="ISO-8859-1"?>
2<!DOCTYPE sect1 PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN"
3 "http://www.oasis-open.org/docbook/xml/4.5/docbookx.dtd" [
4 <!ENTITY % general-entities SYSTEM "../general.ent">
5 %general-entities;
6]>
7
8<sect1 id="ch-system-util-linux" role="wrap">
9 <?dbhtml filename="util-linux.html"?>
10
11 <sect1info condition="script">
12 <productname>util-linux</productname>
13 <productnumber>&util-linux-version;</productnumber>
14 <address>&util-linux-url;</address>
15 </sect1info>
16
17 <title>Util-linux-&util-linux-version;</title>
18
19 <indexterm zone="ch-system-util-linux">
20 <primary sortas="a-Util-linux">Util-linux</primary>
21 </indexterm>
22
23 <sect2 role="package">
24 <title/>
25
26 <para>The Util-linux package contains miscellaneous utility programs.
27 Among them are utilities for handling file systems, consoles, partitions,
28 and messages.</para>
29
30 <segmentedlist>
31 <segtitle>&buildtime;</segtitle>
32 <segtitle>&diskspace;</segtitle>
33
34 <seglistitem>
35 <seg>&util-linux-fin-sbu;</seg>
36 <seg>&util-linux-fin-du;</seg>
37 </seglistitem>
38 </segmentedlist>
39
40 </sect2>
41
42 <sect2 role="installation">
43 <title>Installation of Util-linux</title>
44
45 <para>Prepare Util-linux for compilation:</para>
46
47<screen revision="sysv"><userinput remap="configure">./configure ADJTIME_PATH=/var/lib/hwclock/adjtime \
48 --bindir=/usr/bin \
49 --libdir=/usr/lib \
50 --sbindir=/usr/sbin \
51 --disable-chfn-chsh \
52 --disable-login \
53 --disable-nologin \
54 --disable-su \
55 --disable-setpriv \
56 --disable-runuser \
57 --disable-pylibmount \
58 --disable-static \
59 --without-python \
60 --without-systemd \
61 --without-systemdsystemunitdir \
62 --docdir=/usr/share/doc/util-linux-&util-linux-version;</userinput></screen>
63
64<screen revision="systemd"><userinput remap="configure">./configure ADJTIME_PATH=/var/lib/hwclock/adjtime \
65 --bindir=/usr/bin \
66 --libdir=/usr/lib \
67 --sbindir=/usr/sbin \
68 --disable-chfn-chsh \
69 --disable-login \
70 --disable-nologin \
71 --disable-su \
72 --disable-setpriv \
73 --disable-runuser \
74 --disable-pylibmount \
75 --disable-static \
76 --without-python \
77 --docdir=/usr/share/doc/util-linux-&util-linux-version;</userinput></screen>
78
79 <para>The --disable and --without options prevent warnings about
80 building components that either require packages not in LFS, or are
81 inconsistent with programs installed by other packages.</para>
82
83 <para>Compile the package:</para>
84
85<screen><userinput remap="make">make</userinput></screen>
86
87 <para>If desired, run the test suite as a non-&root; user:</para>
88
89 <warning><para>Running the test suite as the
90 <systemitem class="username">root</systemitem> user can be harmful to
91 your system. To run it, the CONFIG_SCSI_DEBUG option for the kernel must
92 be available in the currently running system and must be built as a
93 module. Building it into the kernel will prevent booting. For complete
94 coverage, other BLFS packages must be installed. If desired, this test can
95 be run by booting into the completed LFS system and running:</para>
96
97<screen role="nodump"><userinput>bash tests/run.sh --srcdir=$PWD --builddir=$PWD</userinput></screen>
98 </warning>
99
100<screen><userinput remap="test">chown -Rv tester .
101su tester -c "make -k check"</userinput></screen>
102
103 <para>The <emphasis>hardlink</emphasis> tests will fail if the host's kernel
104 does not have the option <option>CONFIG_CRYPTO_USER_API_HASH</option>
105 enabled or does not have any options providing a SHA256 implementation
106 (for example, <option>CONFIG_CRYPTO_SHA256</option>, or
107 <option>CONFIG_CRYPTO_SHA256_SSSE3</option> if the CPU supports
108 Supplemental SSE3) enabled. In addition,
109 two sub-tests from misc: mbsencode and one sub-test from script: replay are
110 known to fail.</para>
111
112 <para>Install the package:</para>
113
114<screen><userinput remap="install">make install</userinput></screen>
115<!--
116 <para>Finally, install the man pages:</para>
117
118<screen><userinput remap="install">tar -xf ../util-linux-man-pages-&util-linux-version;.tar.xz - -directory /usr/share/man - -strip-components=1</userinput></screen>
119-->
120 </sect2>
121
122 <!-- - - - - - - - - - -->
123 <!-- Multilib - 32bit -->
124 <!-- - - - - - - - - - -->
125
126 <sect2 arch="ml_32,ml_all" role="installation">
127 <title>Installation of Util-linux - 32-bit</title>
128
129 <para>Clean previous build:</para>
130
131<screen><userinput remap="pre">make distclean</userinput></screen>
132
133 <para>Move a tool out of the way which is optionally used by
134 configure but will report invalid pathes for multilib builds.</para>
135
136<screen><userinput remap="configure">mv /usr/bin/ncursesw6-config{,.tmp}</userinput></screen>
137
138 <para>Prepare Util-linux for compilation:</para>
139
140<screen revision="sysv"><userinput remap="configure">CC="gcc -m32" \
141./configure ADJTIME_PATH=/var/lib/hwclock/adjtime \
142 --host=i686-pc-linux-gnu \
143 --libdir=/usr/lib32 \
144 --docdir=/usr/share/doc/util-linux-&util-linux-version; \
145 --disable-chfn-chsh \
146 --disable-login \
147 --disable-nologin \
148 --disable-su \
149 --disable-setpriv \
150 --disable-runuser \
151 --disable-pylibmount \
152 --disable-static \
153 --without-python \
154 --without-systemd \
155 --without-systemdsystemunitdir</userinput></screen>
156
157<screen revision="systemd"><userinput remap="configure">CC="gcc -m32" \
158./configure ADJTIME_PATH=/var/lib/hwclock/adjtime \
159 --host=i686-pc-linux-gnu \
160 --libdir=/usr/lib32 \
161 --docdir=/usr/share/doc/util-linux-&util-linux-version; \
162 --disable-chfn-chsh \
163 --disable-login \
164 --disable-nologin \
165 --disable-su \
166 --disable-setpriv \
167 --disable-runuser \
168 --disable-pylibmount \
169 --disable-static \
170 --without-python</userinput></screen>
171
172 <para>Restore the tool previously moved away:</para>
173
174<screen><userinput remap="configure">mv /usr/bin/ncursesw6-config{.tmp,}</userinput></screen>
175
176 <para>Compile the package:</para>
177
178<screen><userinput remap="make">make</userinput></screen>
179
180 <para>Install the package:</para>
181
182<screen><userinput remap="install">make DESTDIR=$PWD/DESTDIR install
183cp -Rv DESTDIR/usr/lib32/* /usr/lib32
184rm -rf DESTDIR</userinput></screen>
185
186 </sect2><!-- m32 -->
187
188 <!-- - - - - - - - - - -->
189 <!-- Multilib - x32bit -->
190 <!-- - - - - - - - - - -->
191
192 <sect2 arch="ml_x32,ml_all" role="installation">
193 <title>Installation of Util-linux - x32-bit</title>
194
195 <para>Clean previous build:</para>
196
197<screen><userinput remap="pre">make distclean</userinput></screen>
198
199 <para>Move a tool out of the way which is optionally used by
200 configure but will report invalid pathes for multilib builds.</para>
201
202<screen><userinput remap="configure">mv /usr/bin/ncursesw6-config{,.tmp}</userinput></screen>
203
204 <para>Prepare Util-linux for compilation:</para>
205
206<screen revision="sysv"><userinput remap="configure">CC="gcc -mx32" \
207./configure ADJTIME_PATH=/var/lib/hwclock/adjtime \
208 --host=x86_64-pc-linux-gnux32 \
209 --libdir=/usr/libx32 \
210 --docdir=/usr/share/doc/util-linux-&util-linux-version; \
211 --disable-chfn-chsh \
212 --disable-login \
213 --disable-nologin \
214 --disable-su \
215 --disable-setpriv \
216 --disable-runuser \
217 --disable-pylibmount \
218 --disable-static \
219 --without-python \
220 --without-systemd \
221 --without-systemdsystemunitdir</userinput></screen>
222
223<screen revision="systemd"><userinput remap="configure">CC="gcc -mx32" \
224./configure ADJTIME_PATH=/var/lib/hwclock/adjtime \
225 --host=x86_64-pc-linux-gnux32 \
226 --libdir=/usr/libx32 \
227 --docdir=/usr/share/doc/util-linux-&util-linux-version; \
228 --disable-chfn-chsh \
229 --disable-login \
230 --disable-nologin \
231 --disable-su \
232 --disable-setpriv \
233 --disable-runuser \
234 --disable-pylibmount \
235 --disable-static \
236 --without-python</userinput></screen>
237
238 <para>Restore the tool previously moved away:</para>
239
240<screen><userinput remap="configure">mv /usr/bin/ncursesw6-config{.tmp,}</userinput></screen>
241
242 <para>Compile the package:</para>
243
244<screen><userinput remap="make">make</userinput></screen>
245
246 <para>Install the package:</para>
247
248<screen><userinput remap="install">make DESTDIR=$PWD/DESTDIR install
249cp -Rv DESTDIR/usr/libx32/* /usr/libx32
250rm -rf DESTDIR</userinput></screen>
251
252 </sect2><!-- mx32 -->
253
254 <sect2 id="contents-utillinux" role="content">
255 <title>Contents of Util-linux</title>
256
257 <segmentedlist>
258 <segtitle>Installed programs</segtitle>
259 <segtitle>Installed libraries</segtitle>
260 <segtitle>Installed directories</segtitle>
261
262 <seglistitem>
263 <seg>addpart, agetty, blkdiscard, blkid, blkzone, blockdev, cal, cfdisk, chcpu,
264 chmem, choom, chrt, col, colcrt, colrm, column, ctrlaltdel, delpart, dmesg,
265 eject, fallocate, fdisk, fincore, findfs, findmnt, flock, fsck,
266 fsck.cramfs, fsck.minix, fsfreeze, fstrim, getopt, hardlink, hexdump, hwclock,
267 i386 (link to setarch), ionice, ipcmk, ipcrm, ipcs, irqtop, isosize, kill, last,
268 lastb (link to last), ldattach, linux32 (link to setarch), linux64 (link to setarch),
269 logger, look, losetup, lsblk, lscpu, lsipc, lsirq, lsfd, lslocks, lslogins,
270 lsmem, lsns, mcookie, mesg, mkfs, mkfs.bfs, mkfs.cramfs, mkfs.minix, mkswap,
271 more, mount, mountpoint, namei, nsenter, partx, pivot_root, prlimit,
272 readprofile, rename, renice, resizepart, rev, rfkill, rtcwake, script,
273 scriptlive, scriptreplay, setarch, setsid, setterm, sfdisk, sulogin, swaplabel,
274 swapoff, swapon, switch_root, taskset, uclampset, ul,
275 umount, uname26 (link to setarch), unshare, utmpdump, uuidd, uuidgen, uuidparse,
276 wall, wdctl, whereis, wipefs, x86_64 (link to setarch), and zramctl</seg>
277 <seg>libblkid.so, libfdisk.so, libmount.so,
278 libsmartcols.so, and libuuid.so</seg>
279 <seg>/usr/include/blkid,
280 /usr/include/libfdisk,
281 /usr/include/libmount,
282 /usr/include/libsmartcols,
283 /usr/include/uuid,
284 /usr/share/doc/util-linux-&util-linux-version;,
285 and /var/lib/hwclock</seg>
286 </seglistitem>
287 </segmentedlist>
288
289 <variablelist>
290 <bridgehead renderas="sect3">Short Descriptions</bridgehead>
291 <?dbfo list-presentation="list"?>
292 <?dbhtml list-presentation="table"?>
293
294 <varlistentry id="addpart">
295 <term><command>addpart</command></term>
296 <listitem>
297 <para>Informs the Linux kernel of new partitions</para>
298 <indexterm zone="ch-system-util-linux addpart">
299 <primary sortas="b-addpart">addpart</primary>
300 </indexterm>
301 </listitem>
302 </varlistentry>
303
304 <varlistentry id="agetty">
305 <term><command>agetty</command></term>
306 <listitem>
307 <para>Opens a tty port, prompts for a login name,
308 and then invokes the <command>login</command> program</para>
309 <indexterm zone="ch-system-util-linux agetty">
310 <primary sortas="b-agetty">agetty</primary>
311 </indexterm>
312 </listitem>
313 </varlistentry>
314
315 <varlistentry id="blkdiscard">
316 <term><command>blkdiscard</command></term>
317 <listitem>
318 <para>Discards sectors on a device</para>
319 <indexterm zone="ch-system-util-linux blkdiscard">
320 <primary sortas="b-blkdiscard">blkdiscard</primary>
321 </indexterm>
322 </listitem>
323 </varlistentry>
324
325 <varlistentry id="blkid">
326 <term><command>blkid</command></term>
327 <listitem>
328 <para>A command line utility to locate and print block device
329 attributes</para>
330 <indexterm zone="ch-system-util-linux blkid">
331 <primary sortas="b-blkid">blkid</primary>
332 </indexterm>
333 </listitem>
334 </varlistentry>
335
336 <varlistentry id="blkzone">
337 <term><command>blkzone</command></term>
338 <listitem>
339 <para>Is used to manage zoned storage block devices</para>
340 <indexterm zone="ch-system-util-linux blkzone">
341 <primary sortas="b-blkzone">blkzone</primary>
342 </indexterm>
343 </listitem>
344 </varlistentry>
345
346 <varlistentry id="blockdev">
347 <term><command>blockdev</command></term>
348 <listitem>
349 <para>Allows users to call block device ioctls from the command
350 line</para>
351 <indexterm zone="ch-system-util-linux blockdev">
352 <primary sortas="b-blockdev">blockdev</primary>
353 </indexterm>
354 </listitem>
355 </varlistentry>
356
357 <varlistentry id="cal">
358 <term><command>cal</command></term>
359 <listitem>
360 <para>Displays a simple calendar</para>
361 <indexterm zone="ch-system-util-linux cal">
362 <primary sortas="b-cal">cal</primary>
363 </indexterm>
364 </listitem>
365 </varlistentry>
366
367 <varlistentry id="cfdisk">
368 <term><command>cfdisk</command></term>
369 <listitem>
370 <para>Manipulates the partition table of the given device</para>
371 <indexterm zone="ch-system-util-linux cfdisk">
372 <primary sortas="b-cfdisk">cfdisk</primary>
373 </indexterm>
374 </listitem>
375 </varlistentry>
376
377 <varlistentry id="chcpu">
378 <term><command>chcpu</command></term>
379 <listitem>
380 <para>Modifies the state of CPUs</para>
381 <indexterm zone="ch-system-util-linux chcpu">
382 <primary sortas="b-chcpu">chcpu</primary>
383 </indexterm>
384 </listitem>
385 </varlistentry>
386
387 <varlistentry id="chmem">
388 <term><command>chmem</command></term>
389 <listitem>
390 <para>Configures memory</para>
391 <indexterm zone="ch-system-util-linux chmem">
392 <primary sortas="b-chmem">chmem</primary>
393 </indexterm>
394 </listitem>
395 </varlistentry>
396
397 <varlistentry id="choom">
398 <term><command>choom</command></term>
399 <listitem>
400 <para>Displays and adjusts OOM-killer scores, used to determine
401 which process to kill first when Linux is Out Of Memory</para>
402 <indexterm zone="ch-system-util-linux choom">
403 <primary sortas="b-choom">choom</primary>
404 </indexterm>
405 </listitem>
406 </varlistentry>
407
408 <varlistentry id="chrt">
409 <term><command>chrt</command></term>
410 <listitem>
411 <para>Manipulates real-time attributes of a process</para>
412 <indexterm zone="ch-system-util-linux chrt">
413 <primary sortas="b-chrt">chrt</primary>
414 </indexterm>
415 </listitem>
416 </varlistentry>
417
418 <varlistentry id="col">
419 <term><command>col</command></term>
420 <listitem>
421 <para>Filters out reverse line feeds</para>
422 <indexterm zone="ch-system-util-linux col">
423 <primary sortas="b-col">col</primary>
424 </indexterm>
425 </listitem>
426 </varlistentry>
427
428 <varlistentry id="colcrt">
429 <term><command>colcrt</command></term>
430 <listitem>
431 <para>Filters <command>nroff</command> output for terminals
432 that lack some capabilities, such as overstriking and half-lines</para>
433 <indexterm zone="ch-system-util-linux colcrt">
434 <primary sortas="b-colcrt">colcrt</primary>
435 </indexterm>
436 </listitem>
437 </varlistentry>
438
439 <varlistentry id="colrm">
440 <term><command>colrm</command></term>
441 <listitem>
442 <para>Filters out the given columns</para>
443 <indexterm zone="ch-system-util-linux colrm">
444 <primary sortas="b-colrm">colrm</primary>
445 </indexterm>
446 </listitem>
447 </varlistentry>
448
449 <varlistentry id="column">
450 <term><command>column</command></term>
451 <listitem>
452 <para>Formats a given file into multiple columns</para>
453 <indexterm zone="ch-system-util-linux column">
454 <primary sortas="b-column">column</primary>
455 </indexterm>
456 </listitem>
457 </varlistentry>
458
459 <varlistentry id="ctrlaltdel">
460 <term><command>ctrlaltdel</command></term>
461 <listitem>
462 <para>Sets the function of the Ctrl+Alt+Del key combination to a
463 hard or a soft reset</para>
464 <indexterm zone="ch-system-util-linux ctrlaltdel">
465 <primary sortas="b-ctrlaltdel">ctrlaltdel</primary>
466 </indexterm>
467 </listitem>
468 </varlistentry>
469
470 <varlistentry id="delpart">
471 <term><command>delpart</command></term>
472 <listitem>
473 <para>Asks the Linux kernel to remove a partition</para>
474 <indexterm zone="ch-system-util-linux delpart">
475 <primary sortas="b-delpart">delpart</primary>
476 </indexterm>
477 </listitem>
478 </varlistentry>
479
480 <varlistentry id="dmesg">
481 <term><command>dmesg</command></term>
482 <listitem>
483 <para>Dumps the kernel boot messages</para>
484 <indexterm zone="ch-system-util-linux dmesg">
485 <primary sortas="b-dmesg">dmesg</primary>
486 </indexterm>
487 </listitem>
488 </varlistentry>
489
490 <varlistentry id="eject">
491 <term><command>eject</command></term>
492 <listitem>
493 <para>Ejects removable media</para>
494 <indexterm zone="ch-system-util-linux eject">
495 <primary sortas="b-eject">eject</primary>
496 </indexterm>
497 </listitem>
498 </varlistentry>
499
500 <varlistentry id="fallocate">
501 <term><command>fallocate</command></term>
502 <listitem>
503 <para>Preallocates space to a file</para>
504 <indexterm zone="ch-system-util-linux fallocate">
505 <primary sortas="b-fallocate">fallocate</primary>
506 </indexterm>
507 </listitem>
508 </varlistentry>
509
510 <varlistentry id="fdisk">
511 <term><command>fdisk</command></term>
512 <listitem>
513 <para>Manipulates the partition table of the given device</para>
514 <indexterm zone="ch-system-util-linux fdisk">
515 <primary sortas="b-fdisk">fdisk</primary>
516 </indexterm>
517 </listitem>
518 </varlistentry>
519
520 <varlistentry id="fincore">
521 <term><command>fincore</command></term>
522 <listitem>
523 <para>Counts pages of file contents in core</para>
524 <indexterm zone="ch-system-util-linux fincore">
525 <primary sortas="b-fincore">fincore</primary>
526 </indexterm>
527 </listitem>
528 </varlistentry>
529
530 <varlistentry id="findfs">
531 <term><command>findfs</command></term>
532 <listitem>
533 <para>Finds a file system, either by label or Universally Unique Identifier
534 (UUID)</para>
535 <indexterm zone="ch-system-util-linux findfs">
536 <primary sortas="b-findfs">findfs</primary>
537 </indexterm>
538 </listitem>
539 </varlistentry>
540
541 <varlistentry id="findmnt">
542 <term><command>findmnt</command></term>
543 <listitem>
544 <para>Is a command line interface to the libmount library
545 for working with mountinfo, fstab and mtab files</para>
546 <indexterm zone="ch-system-util-linux findmnt">
547 <primary sortas="b-findmnt">findmnt</primary>
548 </indexterm>
549 </listitem>
550 </varlistentry>
551
552 <varlistentry id="flock">
553 <term><command>flock</command></term>
554 <listitem>
555 <para>Acquires a file lock and then executes a command with the lock
556 held</para>
557 <indexterm zone="ch-system-util-linux flock">
558 <primary sortas="b-flock">flock</primary>
559 </indexterm>
560 </listitem>
561 </varlistentry>
562
563 <varlistentry id="fsck">
564 <term><command>fsck</command></term>
565 <listitem>
566 <para>Is used to check, and optionally repair, file systems</para>
567 <indexterm zone="ch-system-util-linux fsck">
568 <primary sortas="b-fsck">fsck</primary>
569 </indexterm>
570 </listitem>
571 </varlistentry>
572
573 <varlistentry id="fsck.cramfs">
574 <term><command>fsck.cramfs</command></term>
575 <listitem>
576 <para>Performs a consistency check on the Cramfs file system on the
577 given device</para>
578 <indexterm zone="ch-system-util-linux fsck.cramfs">
579 <primary sortas="b-fsck.cramfs">fsck.cramfs</primary>
580 </indexterm>
581 </listitem>
582 </varlistentry>
583
584 <varlistentry id="fsck.minix">
585 <term><command>fsck.minix</command></term>
586 <listitem>
587 <para>Performs a consistency check on the Minix file system on the
588 given device</para>
589 <indexterm zone="ch-system-util-linux fsck.minix">
590 <primary sortas="b-fsck.minix">fsck.minix</primary>
591 </indexterm>
592 </listitem>
593 </varlistentry>
594
595 <varlistentry id="fsfreeze">
596 <term><command>fsfreeze</command></term>
597 <listitem>
598 <para>Is a very simple wrapper around FIFREEZE/FITHAW ioctl
599 kernel driver operations</para>
600 <indexterm zone="ch-system-util-linux fsfreeze">
601 <primary sortas="b-fsfreeze">fsfreeze</primary>
602 </indexterm>
603 </listitem>
604 </varlistentry>
605
606 <varlistentry id="fstrim">
607 <term><command>fstrim</command></term>
608 <listitem>
609 <para>Discards unused blocks on a mounted filesystem</para>
610 <indexterm zone="ch-system-util-linux fstrim">
611 <primary sortas="b-fstrim">fstrim</primary>
612 </indexterm>
613 </listitem>
614 </varlistentry>
615
616 <varlistentry id="getopt">
617 <term><command>getopt</command></term>
618 <listitem>
619 <para>Parses options in the given command line</para>
620 <indexterm zone="ch-system-util-linux getopt">
621 <primary sortas="b-getopt">getopt</primary>
622 </indexterm>
623 </listitem>
624 </varlistentry>
625
626 <varlistentry id="hardlink">
627 <term><command>hardlink</command></term>
628 <listitem>
629 <para>Consolidates duplicate files by creating hard links</para>
630 <indexterm zone="ch-system-util-linux hardlink">
631 <primary sortas="b-hardlink">hardlink</primary>
632 </indexterm>
633 </listitem>
634 </varlistentry>
635
636 <varlistentry id="hexdump">
637 <term><command>hexdump</command></term>
638 <listitem>
639 <para>Dumps the given file in hexadecimal, decimal, octal,
640 or ascii</para>
641 <indexterm zone="ch-system-util-linux hexdump">
642 <primary sortas="b-hexdump">hexdump</primary>
643 </indexterm>
644 </listitem>
645 </varlistentry>
646
647 <varlistentry id="hwclock">
648 <term><command>hwclock</command></term>
649 <listitem>
650 <para>Reads or sets the system's hardware clock, also called
651 the Real-Time Clock (RTC) or Basic Input-Output System (BIOS)
652 clock</para>
653 <indexterm zone="ch-system-util-linux hwclock">
654 <primary sortas="b-hwclock">hwclock</primary>
655 </indexterm>
656 </listitem>
657 </varlistentry>
658
659 <varlistentry id="i386">
660 <term><command>i386</command></term>
661 <listitem>
662 <para>A symbolic link to setarch</para>
663 <indexterm zone="ch-system-util-linux i386">
664 <primary sortas="b-i386">i386</primary>
665 </indexterm>
666 </listitem>
667 </varlistentry>
668
669 <varlistentry id="ionice">
670 <term><command>ionice</command></term>
671 <listitem>
672 <para>Gets or sets the io scheduling class and priority for a program</para>
673 <indexterm zone="ch-system-util-linux ionice">
674 <primary sortas="b-ionice">ionice</primary>
675 </indexterm>
676 </listitem>
677 </varlistentry>
678
679 <varlistentry id="ipcmk">
680 <term><command>ipcmk</command></term>
681 <listitem>
682 <para>Creates various IPC resources</para>
683 <indexterm zone="ch-system-util-linux ipcmk">
684 <primary sortas="b-ipcmk">ipcmk</primary>
685 </indexterm>
686 </listitem>
687 </varlistentry>
688
689 <varlistentry id="ipcrm">
690 <term><command>ipcrm</command></term>
691 <listitem>
692 <para>Removes the given Inter-Process Communication (IPC) resource</para>
693 <indexterm zone="ch-system-util-linux ipcrm">
694 <primary sortas="b-ipcrm">ipcrm</primary>
695 </indexterm>
696 </listitem>
697 </varlistentry>
698
699 <varlistentry id="ipcs">
700 <term><command>ipcs</command></term>
701 <listitem>
702 <para>Provides IPC status information</para>
703 <indexterm zone="ch-system-util-linux ipcs">
704 <primary sortas="b-ipcs">ipcs</primary>
705 </indexterm>
706 </listitem>
707 </varlistentry>
708
709 <varlistentry id="irqtop">
710 <term><command>irqtop</command></term>
711 <listitem>
712 <para>Displays kernel interrupt counter information in
713 <filename>top(1)</filename> style view</para>
714 <indexterm zone="ch-system-util-linux irqtop">
715 <primary sortas="b-irqtop">irqtop</primary>
716 </indexterm>
717 </listitem>
718 </varlistentry>
719
720 <varlistentry id="isosize">
721 <term><command>isosize</command></term>
722 <listitem>
723 <para>Reports the size of an iso9660 file system</para>
724 <indexterm zone="ch-system-util-linux isosize">
725 <primary sortas="b-isosize">isosize</primary>
726 </indexterm>
727 </listitem>
728 </varlistentry>
729
730 <varlistentry id="kill">
731 <term><command>kill</command></term>
732 <listitem>
733 <para>Sends signals to processes</para>
734 <indexterm zone="ch-system-util-linux kill">
735 <primary sortas="b-kill">kill</primary>
736 </indexterm>
737 </listitem>
738 </varlistentry>
739
740 <varlistentry id="last">
741 <term><command>last</command></term>
742 <listitem>
743 <para>Shows which users last logged in (and out), searching back
744 through the <filename>/var/log/wtmp</filename> file; it also shows
745 system boots, shutdowns, and run-level changes</para>
746 <indexterm zone="ch-system-util-linux last">
747 <primary sortas="b-last">last</primary>
748 </indexterm>
749 </listitem>
750 </varlistentry>
751
752 <varlistentry id="lastb">
753 <term><command>lastb</command></term>
754 <listitem>
755 <para>Shows the failed login attempts, as logged in
756 <filename>/var/log/btmp</filename></para>
757 <indexterm zone="ch-system-util-linux lastb">
758 <primary sortas="b-lastb">lastb</primary>
759 </indexterm>
760 </listitem>
761 </varlistentry>
762
763 <varlistentry id="ldattach">
764 <term><command>ldattach</command></term>
765 <listitem>
766 <para>Attaches a line discipline to a serial line</para>
767 <indexterm zone="ch-system-util-linux ldattach">
768 <primary sortas="b-ldattach">ldattach</primary>
769 </indexterm>
770 </listitem>
771 </varlistentry>
772
773 <varlistentry id="linux32">
774 <term><command>linux32</command></term>
775 <listitem>
776 <para>A symbolic link to setarch</para>
777 <indexterm zone="ch-system-util-linux linux32">
778 <primary sortas="b-linux32">linux32</primary>
779 </indexterm>
780 </listitem>
781 </varlistentry>
782
783 <varlistentry id="linux64">
784 <term><command>linux64</command></term>
785 <listitem>
786 <para>A symbolic link to setarch</para>
787 <indexterm zone="ch-system-util-linux linux64">
788 <primary sortas="b-linux64">linux64</primary>
789 </indexterm>
790 </listitem>
791 </varlistentry>
792
793 <varlistentry id="logger">
794 <term><command>logger</command></term>
795 <listitem>
796 <para>Enters the given message into the system log</para>
797 <indexterm zone="ch-system-util-linux logger">
798 <primary sortas="b-logger">logger</primary>
799 </indexterm>
800 </listitem>
801 </varlistentry>
802
803 <varlistentry id="look">
804 <term><command>look</command></term>
805 <listitem>
806 <para>Displays lines that begin with the given string</para>
807 <indexterm zone="ch-system-util-linux look">
808 <primary sortas="b-look">look</primary>
809 </indexterm>
810 </listitem>
811 </varlistentry>
812
813 <varlistentry id="losetup">
814 <term><command>losetup</command></term>
815 <listitem>
816 <para>Sets up and controls loop devices</para>
817 <indexterm zone="ch-system-util-linux losetup">
818 <primary sortas="b-losetup">losetup</primary>
819 </indexterm>
820 </listitem>
821 </varlistentry>
822
823 <varlistentry id="lsblk">
824 <term><command>lsblk</command></term>
825 <listitem>
826 <para>Lists information about all or selected block devices in
827 a tree-like format</para>
828 <indexterm zone="ch-system-util-linux lsblk">
829 <primary sortas="b-lsblk">lsblk</primary>
830 </indexterm>
831 </listitem>
832 </varlistentry>
833
834 <varlistentry id="lscpu">
835 <term><command>lscpu</command></term>
836 <listitem>
837 <para>Prints CPU architecture information</para>
838 <indexterm zone="ch-system-util-linux lscpu">
839 <primary sortas="b-lscpu">lscpu</primary>
840 </indexterm>
841 </listitem>
842 </varlistentry>
843
844 <varlistentry id="lsfd">
845 <term><command>lsfd</command></term>
846 <listitem>
847 <para>Displays information about open files; replaces <command>lsof</command></para>
848 <indexterm zone="ch-system-util-linux lsfd">
849 <primary sortas="b-lsfd">lsfd</primary>
850 </indexterm>
851 </listitem>
852 </varlistentry>
853
854 <varlistentry id="lsipc">
855 <term><command>lsipc</command></term>
856 <listitem>
857 <para>Prints information on IPC facilities currently employed
858 in the system</para>
859 <indexterm zone="ch-system-util-linux lsipc">
860 <primary sortas="b-lsipc">lsipc</primary>
861 </indexterm>
862 </listitem>
863 </varlistentry>
864
865 <varlistentry id="lsirq">
866 <term><command>lsirq</command></term>
867 <listitem>
868 <para>Displays kernel interrupt counter information</para>
869 <indexterm zone="ch-system-util-linux lsirq">
870 <primary sortas="b-lsirq">lsirq</primary>
871 </indexterm>
872 </listitem>
873 </varlistentry>
874
875 <varlistentry id="lslocks">
876 <term><command>lslocks</command></term>
877 <listitem>
878 <para>Lists local system locks</para>
879 <indexterm zone="ch-system-util-linux lslocks">
880 <primary sortas="b-lslocks">lslocks</primary>
881 </indexterm>
882 </listitem>
883 </varlistentry>
884
885 <varlistentry id="lslogins">
886 <term><command>lslogins</command></term>
887 <listitem>
888 <para>Lists information about users, groups and system accounts</para>
889 <indexterm zone="ch-system-util-linux lslogins">
890 <primary sortas="b-lslogins">lslogins</primary>
891 </indexterm>
892 </listitem>
893 </varlistentry>
894
895 <varlistentry id="lsmem">
896 <term><command>lsmem</command></term>
897 <listitem>
898 <para>Lists the ranges of available memory with their online
899 status</para>
900 <indexterm zone="ch-system-util-linux lsmem">
901 <primary sortas="b-lsmem">lsmem</primary>
902 </indexterm>
903 </listitem>
904 </varlistentry>
905
906 <varlistentry id="lsns">
907 <term><command>lsns</command></term>
908 <listitem>
909 <para>Lists namespaces</para>
910 <indexterm zone="ch-system-util-linux lsns">
911 <primary sortas="b-lsns">lsns</primary>
912 </indexterm>
913 </listitem>
914 </varlistentry>
915
916 <varlistentry id="mcookie">
917 <term><command>mcookie</command></term>
918 <listitem>
919 <para>Generates magic cookies (128-bit random hexadecimal numbers) for
920 <command>xauth</command></para>
921 <indexterm zone="ch-system-util-linux mcookie">
922 <primary sortas="b-mcookie">mcookie</primary>
923 </indexterm>
924 </listitem>
925 </varlistentry>
926
927 <varlistentry id="mesg">
928 <term><command>mesg</command></term>
929 <listitem>
930 <para>Controls whether other users can send messages to the current
931 user's terminal</para>
932 <indexterm zone="ch-system-util-linux mesg">
933 <primary sortas="b-mesg">mesg</primary>
934 </indexterm>
935 </listitem>
936 </varlistentry>
937
938 <varlistentry id="mkfs">
939 <term><command>mkfs</command></term>
940 <listitem>
941 <para>Builds a file system on a device (usually a hard disk
942 partition)</para>
943 <indexterm zone="ch-system-util-linux mkfs">
944 <primary sortas="b-mkfs">mkfs</primary>
945 </indexterm>
946 </listitem>
947 </varlistentry>
948
949 <varlistentry id="mkfs.bfs">
950 <term><command>mkfs.bfs</command></term>
951 <listitem>
952 <para>Creates a Santa Cruz Operations (SCO) bfs file system</para>
953 <indexterm zone="ch-system-util-linux mkfs.bfs">
954 <primary sortas="b-mkfs.bfs">mkfs.bfs</primary>
955 </indexterm>
956 </listitem>
957 </varlistentry>
958
959 <varlistentry id="mkfs.cramfs">
960 <term><command>mkfs.cramfs</command></term>
961 <listitem>
962 <para>Creates a cramfs file system</para>
963 <indexterm zone="ch-system-util-linux mkfs.cramfs">
964 <primary sortas="b-mkfs.cramfs">mkfs.cramfs</primary>
965 </indexterm>
966 </listitem>
967 </varlistentry>
968
969 <varlistentry id="mkfs.minix">
970 <term><command>mkfs.minix</command></term>
971 <listitem>
972 <para>Creates a Minix file system</para>
973 <indexterm zone="ch-system-util-linux mkfs.minix">
974 <primary sortas="b-mkfs.minix">mkfs.minix</primary>
975 </indexterm>
976 </listitem>
977 </varlistentry>
978
979 <varlistentry id="mkswap">
980 <term><command>mkswap</command></term>
981 <listitem>
982 <para>Initializes the given device or file to be used as a swap
983 area</para>
984 <indexterm zone="ch-system-util-linux mkswap">
985 <primary sortas="b-mkswap">mkswap</primary>
986 </indexterm>
987 </listitem>
988 </varlistentry>
989
990 <varlistentry id="more">
991 <term><command>more</command></term>
992 <listitem>
993 <para>A filter for paging through text one screen at a time</para>
994 <indexterm zone="ch-system-util-linux more">
995 <primary sortas="b-more">more</primary>
996 </indexterm>
997 </listitem>
998 </varlistentry>
999
1000 <varlistentry id="mount">
1001 <term><command>mount</command></term>
1002 <listitem>
1003 <para>Attaches the file system on the given device to a specified
1004 directory in the file-system tree</para>
1005 <indexterm zone="ch-system-util-linux mount">
1006 <primary sortas="b-mount">mount</primary>
1007 </indexterm>
1008 </listitem>
1009 </varlistentry>
1010
1011 <varlistentry id="mountpoint">
1012 <term><command>mountpoint</command></term>
1013 <listitem>
1014 <para>Checks if the directory is a mountpoint</para>
1015 <indexterm zone="ch-system-util-linux mountpoint">
1016 <primary sortas="b-mountpoint">mountpoint</primary>
1017 </indexterm>
1018 </listitem>
1019 </varlistentry>
1020
1021 <varlistentry id="namei">
1022 <term><command>namei</command></term>
1023 <listitem>
1024 <para>Shows the symbolic links in the given paths</para>
1025 <indexterm zone="ch-system-util-linux namei">
1026 <primary sortas="b-namei">namei</primary>
1027 </indexterm>
1028 </listitem>
1029 </varlistentry>
1030
1031 <varlistentry id="nsenter">
1032 <term><command>nsenter</command></term>
1033 <listitem>
1034 <para>Runs a program with namespaces of other processes</para>
1035 <indexterm zone="ch-system-util-linux nsenter">
1036 <primary sortas="b-nsenter">nsenter</primary>
1037 </indexterm>
1038 </listitem>
1039 </varlistentry>
1040
1041 <varlistentry id="partx">
1042 <term><command>partx</command></term>
1043 <listitem>
1044 <para>Tells the kernel about the presence and numbering of on-disk
1045 partitions</para>
1046 <indexterm zone="ch-system-util-linux partx">
1047 <primary sortas="b-partx">partx</primary>
1048 </indexterm>
1049 </listitem>
1050 </varlistentry>
1051
1052 <varlistentry id="pivot_root">
1053 <term><command>pivot_root</command></term>
1054 <listitem>
1055 <para>Makes the given file system the new root file system of the
1056 current process</para>
1057 <indexterm zone="ch-system-util-linux pivot_root">
1058 <primary sortas="b-pivot_root">pivot_root</primary>
1059 </indexterm>
1060 </listitem>
1061 </varlistentry>
1062
1063 <varlistentry id="prlimit">
1064 <term><command>prlimit</command></term>
1065 <listitem>
1066 <para>Gets and sets a process's resource limits</para>
1067 <indexterm zone="ch-system-util-linux prlimit">
1068 <primary sortas="b-prlimit">prlimit</primary>
1069 </indexterm>
1070 </listitem>
1071 </varlistentry>
1072
1073 <varlistentry id="readprofile">
1074 <term><command>readprofile</command></term>
1075 <listitem>
1076 <para>Reads kernel profiling information</para>
1077 <indexterm zone="ch-system-util-linux readprofile">
1078 <primary sortas="b-readprofile">readprofile</primary>
1079 </indexterm>
1080 </listitem>
1081 </varlistentry>
1082
1083 <varlistentry id="rename">
1084 <term><command>rename</command></term>
1085 <listitem>
1086 <para>Renames the given files, replacing a given string with
1087 another</para>
1088 <indexterm zone="ch-system-util-linux rename">
1089 <primary sortas="b-rename">rename</primary>
1090 </indexterm>
1091 </listitem>
1092 </varlistentry>
1093
1094 <varlistentry id="renice">
1095 <term><command>renice</command></term>
1096 <listitem>
1097 <para>Alters the priority of running processes</para>
1098 <indexterm zone="ch-system-util-linux renice">
1099 <primary sortas="b-renice">renice</primary>
1100 </indexterm>
1101 </listitem>
1102 </varlistentry>
1103
1104 <varlistentry id="resizepart">
1105 <term><command>resizepart</command></term>
1106 <listitem>
1107 <para>Asks the Linux kernel to resize a partition</para>
1108 <indexterm zone="ch-system-util-linux resizepart">
1109 <primary sortas="b-resizepart">resizepart</primary>
1110 </indexterm>
1111 </listitem>
1112 </varlistentry>
1113
1114 <varlistentry id="rev">
1115 <term><command>rev</command></term>
1116 <listitem>
1117 <para>Reverses the lines of a given file</para>
1118 <indexterm zone="ch-system-util-linux rev">
1119 <primary sortas="b-rev">rev</primary>
1120 </indexterm>
1121 </listitem>
1122 </varlistentry>
1123
1124 <varlistentry id="rfkill">
1125 <term><command>rfkill</command></term>
1126 <listitem>
1127 <para>Tool for enabling and disabling wireless devices</para>
1128 <indexterm zone="ch-system-util-linux rfkill">
1129 <primary sortas="b-rfkill">rfkill</primary>
1130 </indexterm>
1131 </listitem>
1132 </varlistentry>
1133
1134 <varlistentry id="rtcwake">
1135 <term><command>rtcwake</command></term>
1136 <listitem>
1137 <para>Used to enter a system sleep state until the specified wakeup
1138 time</para>
1139 <indexterm zone="ch-system-util-linux rtcwake">
1140 <primary sortas="b-rtcwake">rtcwake</primary>
1141 </indexterm>
1142 </listitem>
1143 </varlistentry>
1144
1145 <varlistentry id="script">
1146 <term><command>script</command></term>
1147 <listitem>
1148 <para>Makes a typescript of a terminal session</para>
1149 <indexterm zone="ch-system-util-linux script">
1150 <primary sortas="b-script">script</primary>
1151 </indexterm>
1152 </listitem>
1153 </varlistentry>
1154
1155 <varlistentry id="scriptlive">
1156 <term><command>scriptlive</command></term>
1157 <listitem>
1158 <para>Re-runs session typescripts using timing information</para>
1159 <indexterm zone="ch-system-util-linux scriptlive">
1160 <primary sortas="b-scriptlive">scriptlive</primary>
1161 </indexterm>
1162 </listitem>
1163 </varlistentry>
1164
1165 <varlistentry id="scriptreplay">
1166 <term><command>scriptreplay</command></term>
1167 <listitem>
1168 <para>Plays back typescripts using timing information</para>
1169 <indexterm zone="ch-system-util-linux scriptreplay">
1170 <primary sortas="b-scriptreplay">scriptreplay</primary>
1171 </indexterm>
1172 </listitem>
1173 </varlistentry>
1174
1175 <varlistentry id="setarch">
1176 <term><command>setarch</command></term>
1177 <listitem>
1178 <para>Changes reported architecture in a new program environment, and
1179 sets personality flags</para>
1180 <indexterm zone="ch-system-util-linux setarch">
1181 <primary sortas="b-setarch">setarch</primary>
1182 </indexterm>
1183 </listitem>
1184 </varlistentry>
1185
1186 <varlistentry id="setsid">
1187 <term><command>setsid</command></term>
1188 <listitem>
1189 <para>Runs the given program in a new session</para>
1190 <indexterm zone="ch-system-util-linux setsid">
1191 <primary sortas="b-setsid">setsid</primary>
1192 </indexterm>
1193 </listitem>
1194 </varlistentry>
1195
1196 <varlistentry id="setterm">
1197 <term><command>setterm</command></term>
1198 <listitem>
1199 <para>Sets terminal attributes</para>
1200 <indexterm zone="ch-system-util-linux setterm">
1201 <primary sortas="b-setterm">setterm</primary>
1202 </indexterm>
1203 </listitem>
1204 </varlistentry>
1205
1206 <varlistentry id="sfdisk">
1207 <term><command>sfdisk</command></term>
1208 <listitem>
1209 <para>A disk partition table manipulator</para>
1210 <indexterm zone="ch-system-util-linux sfdisk">
1211 <primary sortas="b-sfdisk">sfdisk</primary>
1212 </indexterm>
1213 </listitem>
1214 </varlistentry>
1215
1216 <varlistentry id="sulogin">
1217 <term><command>sulogin</command></term>
1218 <listitem>
1219 <para>Allows <systemitem class="username">root</systemitem> to log in;
1220 it is normally invoked by <command>init</command> when the system goes
1221 into single user mode</para>
1222 <indexterm zone="ch-system-util-linux sulogin">
1223 <primary sortas="b-sulogin">sulogin</primary>
1224 </indexterm>
1225 </listitem>
1226 </varlistentry>
1227
1228 <varlistentry id="swaplabel">
1229 <term><command>swaplabel</command></term>
1230 <listitem>
1231 <para>Makes changes to the swap area's UUID and label</para>
1232 <indexterm zone="ch-system-util-linux swaplabel">
1233 <primary sortas="b-swaplabel">swaplabel</primary>
1234 </indexterm>
1235 </listitem>
1236 </varlistentry>
1237
1238 <varlistentry id="swapoff">
1239 <term><command>swapoff</command></term>
1240 <listitem>
1241 <para>Disables devices and files for paging and swapping</para>
1242 <indexterm zone="ch-system-util-linux swapoff">
1243 <primary sortas="b-swapoff">swapoff</primary>
1244 </indexterm>
1245 </listitem>
1246 </varlistentry>
1247
1248 <varlistentry id="swapon">
1249 <term><command>swapon</command></term>
1250 <listitem>
1251 <para>Enables devices and files for paging and swapping, and
1252 lists the devices and files currently in use</para>
1253 <indexterm zone="ch-system-util-linux swapon">
1254 <primary sortas="b-swapon">swapon</primary>
1255 </indexterm>
1256 </listitem>
1257 </varlistentry>
1258
1259 <varlistentry id="switch_root">
1260 <term><command>switch_root</command></term>
1261 <listitem>
1262 <para>Switches to another filesystem as the root of the mount tree</para>
1263 <indexterm zone="ch-system-util-linux switch_root">
1264 <primary sortas="b-switch_root">switch_root</primary>
1265 </indexterm>
1266 </listitem>
1267 </varlistentry>
1268
1269 <varlistentry id="taskset">
1270 <term><command>taskset</command></term>
1271 <listitem>
1272 <para>Retrieves or sets a process's CPU affinity</para>
1273 <indexterm zone="ch-system-util-linux taskset">
1274 <primary sortas="b-taskset">taskset</primary>
1275 </indexterm>
1276 </listitem>
1277 </varlistentry>
1278
1279 <varlistentry id="uclampset">
1280 <term><command>uclampset</command></term>
1281 <listitem>
1282 <para>Manipulates the utilization clamping attributes of the
1283 system or a process</para>
1284 <indexterm zone="ch-system-util-linux uclampset">
1285 <primary sortas="b-uclampset">uclampset</primary>
1286 </indexterm>
1287 </listitem>
1288 </varlistentry>
1289
1290 <varlistentry id="ul">
1291 <term><command>ul</command></term>
1292 <listitem>
1293 <para>A filter for translating underscores into escape sequences
1294 indicating underlining for the terminal in use</para>
1295 <indexterm zone="ch-system-util-linux ul">
1296 <primary sortas="b-ul">ul</primary>
1297 </indexterm>
1298 </listitem>
1299 </varlistentry>
1300
1301 <varlistentry id="umount">
1302 <term><command>umount</command></term>
1303 <listitem>
1304 <para>Disconnects a file system from the system's file tree</para>
1305 <indexterm zone="ch-system-util-linux umount">
1306 <primary sortas="b-umount">umount</primary>
1307 </indexterm>
1308 </listitem>
1309 </varlistentry>
1310
1311 <varlistentry id="uname26">
1312 <term><command>uname26</command></term>
1313 <listitem>
1314 <para>A symbolic link to setarch</para>
1315 <indexterm zone="ch-system-util-linux uname26">
1316 <primary sortas="b-uname26">uname26</primary>
1317 </indexterm>
1318 </listitem>
1319 </varlistentry>
1320
1321 <varlistentry id="unshare">
1322 <term><command>unshare</command></term>
1323 <listitem>
1324 <para>Runs a program with some namespaces unshared from parent</para>
1325 <indexterm zone="ch-system-util-linux unshare">
1326 <primary sortas="b-unshare">unshare</primary>
1327 </indexterm>
1328 </listitem>
1329 </varlistentry>
1330
1331 <varlistentry id="utmpdump">
1332 <term><command>utmpdump</command></term>
1333 <listitem>
1334 <para>Displays the content of the given login file in a
1335 user-friendly format</para>
1336 <indexterm zone="ch-system-util-linux utmpdump">
1337 <primary sortas="b-utmpdump">utmpdump</primary>
1338 </indexterm>
1339 </listitem>
1340 </varlistentry>
1341
1342 <varlistentry id="uuidd">
1343 <term><command>uuidd</command></term>
1344 <listitem>
1345 <para>A daemon used by the UUID library to generate time-based
1346 UUIDs in a secure and guaranteed-unique fashion</para>
1347 <indexterm zone="ch-system-util-linux uuidd">
1348 <primary sortas="b-uuidd">uuidd</primary>
1349 </indexterm>
1350 </listitem>
1351 </varlistentry>
1352
1353 <varlistentry id="uuidgen">
1354 <term><command>uuidgen</command></term>
1355 <listitem>
1356 <para>Creates new UUIDs. Each new UUID is a random number likely to be
1357 unique among all UUIDs created, on the local system and on other
1358 systems, in the past and in the future, with extremely high
1359 probability (~340 trillion trillion trillion unique UUIDs are possible)</para>
1360 <indexterm zone="ch-system-util-linux uuidgen">
1361 <primary sortas="b-uuidgen">uuidgen</primary>
1362 </indexterm>
1363 </listitem>
1364 </varlistentry>
1365
1366 <varlistentry id="uuidparse">
1367 <term><command>uuidparse</command></term>
1368 <listitem>
1369 <para>A utility to parse unique identifiers</para>
1370 <indexterm zone="ch-system-util-linux uuidparse">
1371 <primary sortas="b-uuidparse">uuidparse</primary>
1372 </indexterm>
1373 </listitem>
1374 </varlistentry>
1375
1376 <varlistentry id="wall">
1377 <term><command>wall</command></term>
1378 <listitem>
1379 <para>Displays the contents of a file or, by default, its standard
1380 input, on the terminals of all currently logged in users</para>
1381 <indexterm zone="ch-system-util-linux wall">
1382 <primary sortas="b-wall">wall</primary>
1383 </indexterm>
1384 </listitem>
1385 </varlistentry>
1386
1387 <varlistentry id="wdctl">
1388 <term><command>wdctl</command></term>
1389 <listitem>
1390 <para>Shows hardware watchdog status</para>
1391 <indexterm zone="ch-system-util-linux wdctl">
1392 <primary sortas="b-wdctl">wdctl</primary>
1393 </indexterm>
1394 </listitem>
1395 </varlistentry>
1396
1397 <varlistentry id="whereis">
1398 <term><command>whereis</command></term>
1399 <listitem>
1400 <para>Reports the location of the binary, source, and man page
1401 files for the given command</para>
1402 <indexterm zone="ch-system-util-linux whereis">
1403 <primary sortas="b-whereis">whereis</primary>
1404 </indexterm>
1405 </listitem>
1406 </varlistentry>
1407
1408 <varlistentry id="wipefs">
1409 <term><command>wipefs</command></term>
1410 <listitem>
1411 <para>Wipes a filesystem signature from a device</para>
1412 <indexterm zone="ch-system-util-linux wipefs">
1413 <primary sortas="b-wipefs">wipefs</primary>
1414 </indexterm>
1415 </listitem>
1416 </varlistentry>
1417
1418 <varlistentry id="x86_64">
1419 <term><command>x86_64</command></term>
1420 <listitem>
1421 <para>A symbolic link to setarch</para>
1422 <indexterm zone="ch-system-util-linux x86_64">
1423 <primary sortas="b-x86_64">x86_64</primary>
1424 </indexterm>
1425 </listitem>
1426 </varlistentry>
1427
1428 <varlistentry id="zramctl">
1429 <term><command>zramctl</command></term>
1430 <listitem>
1431 <para>A program to set up and control zram (compressed ram disk)
1432 devices</para>
1433 <indexterm zone="ch-system-util-linux zramctl">
1434 <primary sortas="b-zramctl">zramctl</primary>
1435 </indexterm>
1436 </listitem>
1437 </varlistentry>
1438
1439 <varlistentry id="libblkid">
1440 <term><filename class="libraryfile">libblkid</filename></term>
1441 <listitem>
1442 <para>Contains routines for device identification and token
1443 extraction</para>
1444 <indexterm zone="ch-system-util-linux libblkid">
1445 <primary sortas="c-libblkid">libblkid</primary>
1446 </indexterm>
1447 </listitem>
1448 </varlistentry>
1449
1450 <varlistentry id="libfdisk">
1451 <term><filename class="libraryfile">libfdisk</filename></term>
1452 <listitem>
1453 <para>Contains routines for manipulating partition tables</para>
1454 <indexterm zone="ch-system-util-linux libfdisk">
1455 <primary sortas="c-libfdisk">libfdisk</primary>
1456 </indexterm>
1457 </listitem>
1458 </varlistentry>
1459
1460 <varlistentry id="libmount">
1461 <term><filename class="libraryfile">libmount</filename></term>
1462 <listitem>
1463 <para>Contains routines for block device mounting and
1464 unmounting</para>
1465 <indexterm zone="ch-system-util-linux libmount">
1466 <primary sortas="c-libmount">libmount</primary>
1467 </indexterm>
1468 </listitem>
1469 </varlistentry>
1470
1471 <varlistentry id="libsmartcols">
1472 <term><filename class="libraryfile">libsmartcols</filename></term>
1473 <listitem>
1474 <para>Contains routines for aiding screen output in tabular form</para>
1475 <indexterm zone="ch-system-util-linux libsmartcols">
1476 <primary sortas="c-libsmartcols">libsmartcols</primary>
1477 </indexterm>
1478 </listitem>
1479 </varlistentry>
1480
1481 <varlistentry id="libuuid">
1482 <term><filename class="libraryfile">libuuid</filename></term>
1483 <listitem>
1484 <para>Contains routines for generating unique identifiers for objects
1485 that may be accessible beyond the local system</para>
1486 <indexterm zone="ch-system-util-linux libuuid">
1487 <primary sortas="c-libuuid">libuuid</primary>
1488 </indexterm>
1489 </listitem>
1490 </varlistentry>
1491
1492 </variablelist>
1493
1494 </sect2>
1495
1496</sect1>
Note: See TracBrowser for help on using the repository browser.