source: chapter06/util-linux.xml@ bd67f69

multilib-10.1
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MultiLib: Merge changes from trunk

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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-ch6-sbu;</seg>
36 <seg>&util-linux-ch6-du;</seg>
37 </seglistitem>
38 </segmentedlist>
39
40 </sect2>
41
42 <sect2 role="installation">
43 <title>FHS compliance notes</title>
44
45 <para>The FHS recommends using the <filename
46 class="directory">/var/lib/hwclock</filename> directory instead of the
47 usual <filename class="directory">/etc</filename> directory as the
48 location for the <filename>adjtime</filename> file. First create a directory
49 to enable storage for the <command>hwclock</command> program:</para>
50
51<screen><userinput remap="pre">mkdir -pv /var/lib/hwclock</userinput></screen>
52
53 </sect2>
54
55 <sect2 role="installation">
56 <title>Installation of Util-linux</title>
57<!--
58 <para>First, fix one of the regression tests:</para>
59
60<screen><userinput remap="pre">sed -e 's/2^64/(2^64/' -e 's/E &lt;/E) &lt;=/' -e 's/ne /eq /' \
61 -i tests/ts/ipcs/limits2</userinput></screen>
62-->
63<!-- those symlinks are not created anymore
64 <para revision="systemd">Remove the earlier created symlinks:</para>
65
66<screen revision="systemd"><userinput remap="pre">rm -vf /usr/include/{blkid,libmount,uuid}</userinput></screen>
67-->
68 <para>Prepare Util-linux for compilation:</para>
69
70<screen revision="sysv"><userinput remap="configure">./configure ADJTIME_PATH=/var/lib/hwclock/adjtime \
71 --docdir=/usr/share/doc/util-linux-&util-linux-version; \
72 --disable-chfn-chsh \
73 --disable-login \
74 --disable-nologin \
75 --disable-su \
76 --disable-setpriv \
77 --disable-runuser \
78 --disable-pylibmount \
79 --disable-static \
80 --without-python \
81 --without-systemd \
82 --without-systemdsystemunitdir</userinput></screen>
83
84<screen revision="systemd"><userinput remap="configure">./configure ADJTIME_PATH=/var/lib/hwclock/adjtime \
85 --docdir=/usr/share/doc/util-linux-&util-linux-version; \
86 --disable-chfn-chsh \
87 --disable-login \
88 --disable-nologin \
89 --disable-su \
90 --disable-setpriv \
91 --disable-runuser \
92 --disable-pylibmount \
93 --disable-static \
94 --without-python</userinput></screen>
95
96 <para>The --disable and --without options prevent warnings about
97 building components that require packages not in LFS or are
98 inconsistent with programs installed by other packages.</para>
99
100 <para>Compile the package:</para>
101
102<screen><userinput remap="make">make</userinput></screen>
103
104 <para>If desired, run the test suite as a non-root user:</para>
105
106 <warning><para>Running the test suite as the root user can be harmful to
107 your system. To run it, the CONFIG_SCSI_DEBUG option for the kernel must
108 be available in the currently running system, and must be built as a
109 module. Building it into the kernel will prevent booting. For complete
110 coverage, other BLFS packages must be installed. If desired, this test can
111 be run after rebooting into the completed LFS system and running:</para>
112
113<screen role="nodump"><userinput>bash tests/run.sh --srcdir=$PWD --builddir=$PWD</userinput></screen>
114 </warning>
115
116<screen><userinput remap="test">chown -Rv nobody .
117su nobody -s /bin/bash -c "PATH=$PATH make -k check"</userinput></screen>
118
119 <para>Install the package:</para>
120
121<screen><userinput remap="install">make install</userinput></screen>
122
123 </sect2>
124
125 <!-- ~~~~~~~~~~~~~~~~~~~~ ABI 32 ~~~~~~~~~~~~~~~~~~~~ -->
126
127 <sect2 arch="ml_32,ml_all" role="installation">
128 <title>Installation of Util-linux - 32-bit</title>
129
130 <para>Clean previous build:</para>
131
132<screen><userinput remap="pre">make distclean</userinput></screen>
133
134 <para>Prepare Util-linux for compilation:</para>
135
136<screen revision="sysv"><userinput remap="configure">CC="gcc -m32" \
137./configure ADJTIME_PATH=/var/lib/hwclock/adjtime \
138 --docdir=/usr/share/doc/util-linux-&util-linux-version; \
139 --disable-chfn-chsh \
140 --disable-login \
141 --disable-nologin \
142 --disable-su \
143 --disable-setpriv \
144 --disable-runuser \
145 --disable-pylibmount \
146 --disable-static \
147 --without-python \
148 --without-systemd \
149 --libdir=/usr/lib32 \
150 --host=i686-pc-linux-gnu \
151 --without-systemdsystemunitdir \
152 --enable-libmount-force-mountinfo</userinput></screen>
153
154<screen revision="systemd"><userinput remap="configure">CC="gcc -m32" \
155./configure ADJTIME_PATH=/var/lib/hwclock/adjtime \
156 --docdir=/usr/share/doc/util-linux-&util-linux-version; \
157 --disable-chfn-chsh \
158 --disable-login \
159 --disable-nologin \
160 --disable-su \
161 --disable-setpriv \
162 --disable-runuser \
163 --disable-pylibmount \
164 --disable-static \
165 --without-python \
166 --libdir=/usr/lib32 \
167 --host=i686-pc-linux-gnu \
168 --enable-libmount-force-mountinfo</userinput></screen>
169
170 <para>Compile the package:</para>
171
172<screen><userinput remap="make">make</userinput></screen>
173
174 <para>Install the package:</para>
175
176<screen><userinput remap="install">make DESTDIR=$PWD/DESTDIR install
177cp -Rv DESTDIR/usr/lib32/* /usr/lib32
178rm -rf DESTDIR</userinput></screen>
179
180 </sect2>
181
182 <!-- ~~~~~~~~~~~~~~~~~~~~ ABI x32 ~~~~~~~~~~~~~~~~~~~~ -->
183
184 <sect2 arch="ml_x32,ml_all" role="installation">
185 <title>Installation of Util-linux - x32-bit</title>
186
187 <para>Clean previous build:</para>
188
189<screen><userinput remap="pre">make distclean</userinput></screen>
190
191 <para>Prepare Util-linux for compilation:</para>
192
193<screen revision="sysv"><userinput remap="configure">CC="gcc -mx32" \
194./configure ADJTIME_PATH=/var/lib/hwclock/adjtime \
195 --docdir=/usr/share/doc/util-linux-&util-linux-version; \
196 --disable-chfn-chsh \
197 --disable-login \
198 --disable-nologin \
199 --disable-su \
200 --disable-setpriv \
201 --disable-runuser \
202 --disable-pylibmount \
203 --disable-static \
204 --without-python \
205 --without-systemd \
206 --without-systemdsystemunitdir \
207 --libdir=/usr/libx32 \
208 --host=x86_64-pc-linux-gnux32 \
209 --enable-libmount-force-mountinfo</userinput></screen>
210
211<screen revision="systemd"><userinput remap="configure">CC="gcc -mx32" \
212./configure ADJTIME_PATH=/var/lib/hwclock/adjtime \
213 --docdir=/usr/share/doc/util-linux-&util-linux-version; \
214 --disable-chfn-chsh \
215 --disable-login \
216 --disable-nologin \
217 --disable-su \
218 --disable-setpriv \
219 --disable-runuser \
220 --disable-pylibmount \
221 --disable-static \
222 --without-python \
223 --libdir=/usr/libx32 \
224 --host=x86_64-pc-linux-gnux32 \
225 --enable-libmount-force-mountinfo</userinput></screen>
226
227 <para>Compile the package:</para>
228
229<screen><userinput remap="make">make</userinput></screen>
230
231 <para>Install the package:</para>
232
233<screen><userinput remap="install">make DESTDIR=$PWD/DESTDIR install
234cp -Rv DESTDIR/usr/libx32/* /usr/libx32
235rm -rf DESTDIR</userinput></screen>
236
237 </sect2>
238
239 <sect2 id="contents-utillinux" role="content">
240 <title>Contents of Util-linux</title>
241
242 <segmentedlist>
243 <segtitle>Installed programs</segtitle>
244 <segtitle>Installed libraries</segtitle>
245 <segtitle>Installed directories</segtitle>
246
247 <seglistitem>
248 <seg>addpart, agetty, blkdiscard, blkid, blkzone, blockdev, cal, cfdisk, chcpu,
249 chmem, choom, chrt, col, colcrt, colrm, column, ctrlaltdel, delpart, dmesg,
250 eject, fallocate, fdformat, fdisk, fincore, findfs, findmnt, flock, fsck,
251 fsck.cramfs, fsck.minix, fsfreeze, fstrim, getopt, hexdump, hwclock,
252 i386, ionice, ipcmk, ipcrm, ipcs, isosize, kill, last, lastb (link to
253 last), ldattach, linux32, linux64, logger, look, losetup, lsblk, lscpu,
254 lsipc, lslocks, lslogins, lsmem, lsns, mcookie, mesg, mkfs, mkfs.bfs, mkfs.cramfs, mkfs.minix, mkswap,
255 more, mount, mountpoint, namei, nsenter, partx, pivot_root, prlimit, raw,
256 readprofile, rename, renice, resizepart, rev, rfkill, rtcwake, script,
257 scriptreplay, setarch, setsid, setterm, sfdisk, sulogin, swaplabel,
258 swapoff (link to swapon), swapon, switch_root, taskset, ul,
259 umount, uname26, unshare, utmpdump, uuidd, uuidgen, uuidparse, wall, wdctl, whereis,
260 wipefs, x86_64, and zramctl</seg>
261 <seg>libblkid.so, libfdisk.so, libmount.so,
262 libsmartcols.so, and libuuid.so</seg>
263 <seg>/usr/include/blkid,
264 /usr/include/libfdisk,
265 /usr/include/libmount,
266 /usr/include/libsmartcols,
267 /usr/include/uuid,
268 /usr/share/doc/util-linux-&util-linux-version;,
269 and /var/lib/hwclock</seg>
270 </seglistitem>
271 </segmentedlist>
272
273 <variablelist>
274 <bridgehead renderas="sect3">Short Descriptions</bridgehead>
275 <?dbfo list-presentation="list"?>
276 <?dbhtml list-presentation="table"?>
277
278 <varlistentry id="addpart">
279 <term><command>addpart</command></term>
280 <listitem>
281 <para>Informs the Linux kernel of new partitions</para>
282 <indexterm zone="ch-system-util-linux addpart">
283 <primary sortas="b-addpart">addpart</primary>
284 </indexterm>
285 </listitem>
286 </varlistentry>
287
288 <varlistentry id="agetty">
289 <term><command>agetty</command></term>
290 <listitem>
291 <para>Opens a tty port, prompts for a login name,
292 and then invokes the <command>login</command> program</para>
293 <indexterm zone="ch-system-util-linux agetty">
294 <primary sortas="b-agetty">agetty</primary>
295 </indexterm>
296 </listitem>
297 </varlistentry>
298
299 <varlistentry id="blkdiscard">
300 <term><command>blkdiscard</command></term>
301 <listitem>
302 <para>Discards sectors on a device</para>
303 <indexterm zone="ch-system-util-linux blkdiscard">
304 <primary sortas="b-blkdiscard">blkdiscard</primary>
305 </indexterm>
306 </listitem>
307 </varlistentry>
308
309 <varlistentry id="blkid">
310 <term><command>blkid</command></term>
311 <listitem>
312 <para>A command line utility to locate and print block device
313 attributes</para>
314 <indexterm zone="ch-system-util-linux blkid">
315 <primary sortas="b-blkid">blkid</primary>
316 </indexterm>
317 </listitem>
318 </varlistentry>
319
320 <varlistentry id="blkzone">
321 <term><command>blkzone</command></term>
322 <listitem>
323 <para>Runs zone command on the given block device</para>
324 <indexterm zone="ch-system-util-linux blkzone">
325 <primary sortas="b-blkzone">blkzone</primary>
326 </indexterm>
327 </listitem>
328 </varlistentry>
329
330 <varlistentry id="blockdev">
331 <term><command>blockdev</command></term>
332 <listitem>
333 <para>Allows users to call block device ioctls from the command
334 line</para>
335 <indexterm zone="ch-system-util-linux blockdev">
336 <primary sortas="b-blockdev">blockdev</primary>
337 </indexterm>
338 </listitem>
339 </varlistentry>
340
341 <varlistentry id="cal">
342 <term><command>cal</command></term>
343 <listitem>
344 <para>Displays a simple calendar</para>
345 <indexterm zone="ch-system-util-linux cal">
346 <primary sortas="b-cal">cal</primary>
347 </indexterm>
348 </listitem>
349 </varlistentry>
350
351 <varlistentry id="cfdisk">
352 <term><command>cfdisk</command></term>
353 <listitem>
354 <para>Manipulates the partition table of the given device</para>
355 <indexterm zone="ch-system-util-linux cfdisk">
356 <primary sortas="b-cfdisk">cfdisk</primary>
357 </indexterm>
358 </listitem>
359 </varlistentry>
360
361 <varlistentry id="chcpu">
362 <term><command>chcpu</command></term>
363 <listitem>
364 <para>Modifies the state of CPUs</para>
365 <indexterm zone="ch-system-util-linux chcpu">
366 <primary sortas="b-chcpu">chcpu</primary>
367 </indexterm>
368 </listitem>
369 </varlistentry>
370
371 <varlistentry id="chmem">
372 <term><command>chmem</command></term>
373 <listitem>
374 <para>Configures memory</para>
375 <indexterm zone="ch-system-util-linux chmem">
376 <primary sortas="b-chmem">chmem</primary>
377 </indexterm>
378 </listitem>
379 </varlistentry>
380
381 <varlistentry id="choom">
382 <term><command>choom</command></term>
383 <listitem>
384 <para>Displays and adjusts OOM-killer score</para>
385 <indexterm zone="ch-system-util-linux choom">
386 <primary sortas="b-choom">choom</primary>
387 </indexterm>
388 </listitem>
389 </varlistentry>
390
391 <varlistentry id="chrt">
392 <term><command>chrt</command></term>
393 <listitem>
394 <para>Manipulates real-time attributes of a process</para>
395 <indexterm zone="ch-system-util-linux chrt">
396 <primary sortas="b-chrt">chrt</primary>
397 </indexterm>
398 </listitem>
399 </varlistentry>
400
401 <varlistentry id="col">
402 <term><command>col</command></term>
403 <listitem>
404 <para>Filters out reverse line feeds</para>
405 <indexterm zone="ch-system-util-linux col">
406 <primary sortas="b-col">col</primary>
407 </indexterm>
408 </listitem>
409 </varlistentry>
410
411 <varlistentry id="colcrt">
412 <term><command>colcrt</command></term>
413 <listitem>
414 <para>Filters <command>nroff</command> output for terminals
415 that lack some capabilities, such as overstriking and half-lines</para>
416 <indexterm zone="ch-system-util-linux colcrt">
417 <primary sortas="b-colcrt">colcrt</primary>
418 </indexterm>
419 </listitem>
420 </varlistentry>
421
422 <varlistentry id="colrm">
423 <term><command>colrm</command></term>
424 <listitem>
425 <para>Filters out the given columns</para>
426 <indexterm zone="ch-system-util-linux colrm">
427 <primary sortas="b-colrm">colrm</primary>
428 </indexterm>
429 </listitem>
430 </varlistentry>
431
432 <varlistentry id="column">
433 <term><command>column</command></term>
434 <listitem>
435 <para>Formats a given file into multiple columns</para>
436 <indexterm zone="ch-system-util-linux column">
437 <primary sortas="b-column">column</primary>
438 </indexterm>
439 </listitem>
440 </varlistentry>
441
442 <varlistentry id="ctrlaltdel">
443 <term><command>ctrlaltdel</command></term>
444 <listitem>
445 <para>Sets the function of the Ctrl+Alt+Del key combination to a
446 hard or a soft reset</para>
447 <indexterm zone="ch-system-util-linux ctrlaltdel">
448 <primary sortas="b-ctrlaltdel">ctrlaltdel</primary>
449 </indexterm>
450 </listitem>
451 </varlistentry>
452
453 <varlistentry id="delpart">
454 <term><command>delpart</command></term>
455 <listitem>
456 <para>Asks the Linux kernel to remove a partition</para>
457 <indexterm zone="ch-system-util-linux delpart">
458 <primary sortas="b-delpart">delpart</primary>
459 </indexterm>
460 </listitem>
461 </varlistentry>
462
463 <varlistentry id="dmesg">
464 <term><command>dmesg</command></term>
465 <listitem>
466 <para>Dumps the kernel boot messages</para>
467 <indexterm zone="ch-system-util-linux dmesg">
468 <primary sortas="b-dmesg">dmesg</primary>
469 </indexterm>
470 </listitem>
471 </varlistentry>
472
473 <varlistentry id="eject">
474 <term><command>eject</command></term>
475 <listitem>
476 <para>Ejects removable media</para>
477 <indexterm zone="ch-system-util-linux eject">
478 <primary sortas="b-eject">eject</primary>
479 </indexterm>
480 </listitem>
481 </varlistentry>
482
483 <varlistentry id="fallocate">
484 <term><command>fallocate</command></term>
485 <listitem>
486 <para>Preallocates space to a file</para>
487 <indexterm zone="ch-system-util-linux fallocate">
488 <primary sortas="b-fallocate">fallocate</primary>
489 </indexterm>
490 </listitem>
491 </varlistentry>
492
493 <varlistentry id="fdformat">
494 <term><command>fdformat</command></term>
495 <listitem>
496 <para>Low-level formats a floppy disk</para>
497 <indexterm zone="ch-system-util-linux fdformat">
498 <primary sortas="b-fdformat">fdformat</primary>
499 </indexterm>
500 </listitem>
501 </varlistentry>
502
503 <varlistentry id="fdisk">
504 <term><command>fdisk</command></term>
505 <listitem>
506 <para>Manipulates the partition table of the given device</para>
507 <indexterm zone="ch-system-util-linux fdisk">
508 <primary sortas="b-fdisk">fdisk</primary>
509 </indexterm>
510 </listitem>
511 </varlistentry>
512
513 <varlistentry id="fincore">
514 <term><command>fincore</command></term>
515 <listitem>
516 <para>Counts pages of file contents in core</para>
517 <indexterm zone="ch-system-util-linux fincore">
518 <primary sortas="b-fincore">fincore</primary>
519 </indexterm>
520 </listitem>
521 </varlistentry>
522
523 <varlistentry id="findfs">
524 <term><command>findfs</command></term>
525 <listitem>
526 <para>Finds a file system by label or Universally Unique Identifier
527 (UUID)</para>
528 <indexterm zone="ch-system-util-linux findfs">
529 <primary sortas="b-findfs">findfs</primary>
530 </indexterm>
531 </listitem>
532 </varlistentry>
533
534 <varlistentry id="findmnt">
535 <term><command>findmnt</command></term>
536 <listitem>
537 <para>Is a command line interface to the libmount library
538 for work with mountinfo, fstab and mtab files</para>
539 <indexterm zone="ch-system-util-linux findmnt">
540 <primary sortas="b-findmnt">findmnt</primary>
541 </indexterm>
542 </listitem>
543 </varlistentry>
544
545 <varlistentry id="flock">
546 <term><command>flock</command></term>
547 <listitem>
548 <para>Acquires a file lock and then executes a command with the lock
549 held</para>
550 <indexterm zone="ch-system-util-linux flock">
551 <primary sortas="b-flock">flock</primary>
552 </indexterm>
553 </listitem>
554 </varlistentry>
555
556 <varlistentry id="fsck">
557 <term><command>fsck</command></term>
558 <listitem>
559 <para>Is used to check, and optionally repair, file systems</para>
560 <indexterm zone="ch-system-util-linux fsck">
561 <primary sortas="b-fsck">fsck</primary>
562 </indexterm>
563 </listitem>
564 </varlistentry>
565
566 <varlistentry id="fsck.cramfs">
567 <term><command>fsck.cramfs</command></term>
568 <listitem>
569 <para>Performs a consistency check on the Cramfs file system on the
570 given device</para>
571 <indexterm zone="ch-system-util-linux fsck.cramfs">
572 <primary sortas="b-fsck.cramfs">fsck.cramfs</primary>
573 </indexterm>
574 </listitem>
575 </varlistentry>
576
577 <varlistentry id="fsck.minix">
578 <term><command>fsck.minix</command></term>
579 <listitem>
580 <para>Performs a consistency check on the Minix file system on the
581 given device</para>
582 <indexterm zone="ch-system-util-linux fsck.minix">
583 <primary sortas="b-fsck.minix">fsck.minix</primary>
584 </indexterm>
585 </listitem>
586 </varlistentry>
587
588 <varlistentry id="fsfreeze">
589 <term><command>fsfreeze</command></term>
590 <listitem>
591 <para>Is a very simple wrapper around FIFREEZE/FITHAW ioctl
592 kernel driver operations</para>
593 <indexterm zone="ch-system-util-linux fsfreeze">
594 <primary sortas="b-fsfreeze">fsfreeze</primary>
595 </indexterm>
596 </listitem>
597 </varlistentry>
598
599 <varlistentry id="fstrim">
600 <term><command>fstrim</command></term>
601 <listitem>
602 <para>Discards unused blocks on a mounted filesystem</para>
603 <indexterm zone="ch-system-util-linux fstrim">
604 <primary sortas="b-fstrim">fstrim</primary>
605 </indexterm>
606 </listitem>
607 </varlistentry>
608
609 <varlistentry id="getopt">
610 <term><command>getopt</command></term>
611 <listitem>
612 <para>Parses options in the given command line</para>
613 <indexterm zone="ch-system-util-linux getopt">
614 <primary sortas="b-getopt">getopt</primary>
615 </indexterm>
616 </listitem>
617 </varlistentry>
618
619 <varlistentry id="hexdump">
620 <term><command>hexdump</command></term>
621 <listitem>
622 <para>Dumps the given file in hexadecimal or in another given
623 format</para>
624 <indexterm zone="ch-system-util-linux hexdump">
625 <primary sortas="b-hexdump">hexdump</primary>
626 </indexterm>
627 </listitem>
628 </varlistentry>
629
630 <varlistentry id="hwclock">
631 <term><command>hwclock</command></term>
632 <listitem>
633 <para>Reads or sets the system's hardware clock, also called
634 the Real-Time Clock (RTC) or Basic Input-Output System (BIOS)
635 clock</para>
636 <indexterm zone="ch-system-util-linux hwclock">
637 <primary sortas="b-hwclock">hwclock</primary>
638 </indexterm>
639 </listitem>
640 </varlistentry>
641
642 <varlistentry id="i386">
643 <term><command>i386</command></term>
644 <listitem>
645 <para>A symbolic link to setarch</para>
646 <indexterm zone="ch-system-util-linux i386">
647 <primary sortas="b-i386">i386</primary>
648 </indexterm>
649 </listitem>
650 </varlistentry>
651
652 <varlistentry id="ionice">
653 <term><command>ionice</command></term>
654 <listitem>
655 <para>Gets or sets the io scheduling class and priority for a program</para>
656 <indexterm zone="ch-system-util-linux ionice">
657 <primary sortas="b-ionice">ionice</primary>
658 </indexterm>
659 </listitem>
660 </varlistentry>
661
662 <varlistentry id="ipcmk">
663 <term><command>ipcmk</command></term>
664 <listitem>
665 <para>Creates various IPC resources</para>
666 <indexterm zone="ch-system-util-linux ipcmk">
667 <primary sortas="b-ipcmk">ipcmk</primary>
668 </indexterm>
669 </listitem>
670 </varlistentry>
671
672 <varlistentry id="ipcrm">
673 <term><command>ipcrm</command></term>
674 <listitem>
675 <para>Removes the given Inter-Process Communication (IPC) resource</para>
676 <indexterm zone="ch-system-util-linux ipcrm">
677 <primary sortas="b-ipcrm">ipcrm</primary>
678 </indexterm>
679 </listitem>
680 </varlistentry>
681
682 <varlistentry id="ipcs">
683 <term><command>ipcs</command></term>
684 <listitem>
685 <para>Provides IPC status information</para>
686 <indexterm zone="ch-system-util-linux ipcs">
687 <primary sortas="b-ipcs">ipcs</primary>
688 </indexterm>
689 </listitem>
690 </varlistentry>
691
692 <varlistentry id="isosize">
693 <term><command>isosize</command></term>
694 <listitem>
695 <para>Reports the size of an iso9660 file system</para>
696 <indexterm zone="ch-system-util-linux isosize">
697 <primary sortas="b-isosize">isosize</primary>
698 </indexterm>
699 </listitem>
700 </varlistentry>
701
702 <varlistentry id="kill">
703 <term><command>kill</command></term>
704 <listitem>
705 <para>Sends signals to processes</para>
706 <indexterm zone="ch-system-util-linux kill">
707 <primary sortas="b-kill">kill</primary>
708 </indexterm>
709 </listitem>
710 </varlistentry>
711
712 <varlistentry id="last">
713 <term><command>last</command></term>
714 <listitem>
715 <para>Shows which users last logged in (and out), searching back
716 through the <filename>/var/log/wtmp</filename> file; it also shows
717 system boots, shutdowns, and run-level changes</para>
718 <indexterm zone="ch-system-util-linux last">
719 <primary sortas="b-last">last</primary>
720 </indexterm>
721 </listitem>
722 </varlistentry>
723
724 <varlistentry id="lastb">
725 <term><command>lastb</command></term>
726 <listitem>
727 <para>Shows the failed login attempts, as logged in
728 <filename>/var/log/btmp</filename></para>
729 <indexterm zone="ch-system-util-linux lastb">
730 <primary sortas="b-lastb">lastb</primary>
731 </indexterm>
732 </listitem>
733 </varlistentry>
734
735 <varlistentry id="ldattach">
736 <term><command>ldattach</command></term>
737 <listitem>
738 <para>Attaches a line discipline to a serial line</para>
739 <indexterm zone="ch-system-util-linux ldattach">
740 <primary sortas="b-ldattach">ldattach</primary>
741 </indexterm>
742 </listitem>
743 </varlistentry>
744
745 <varlistentry id="linux32">
746 <term><command>linux32</command></term>
747 <listitem>
748 <para>A symbolic link to setarch</para>
749 <indexterm zone="ch-system-util-linux linux32">
750 <primary sortas="b-linux32">linux32</primary>
751 </indexterm>
752 </listitem>
753 </varlistentry>
754
755 <varlistentry id="linux64">
756 <term><command>linux64</command></term>
757 <listitem>
758 <para>A symbolic link to setarch</para>
759 <indexterm zone="ch-system-util-linux linux64">
760 <primary sortas="b-linux64">linux64</primary>
761 </indexterm>
762 </listitem>
763 </varlistentry>
764
765 <varlistentry id="logger">
766 <term><command>logger</command></term>
767 <listitem>
768 <para>Enters the given message into the system log</para>
769 <indexterm zone="ch-system-util-linux logger">
770 <primary sortas="b-logger">logger</primary>
771 </indexterm>
772 </listitem>
773 </varlistentry>
774
775 <varlistentry id="look">
776 <term><command>look</command></term>
777 <listitem>
778 <para>Displays lines that begin with the given string</para>
779 <indexterm zone="ch-system-util-linux look">
780 <primary sortas="b-look">look</primary>
781 </indexterm>
782 </listitem>
783 </varlistentry>
784
785 <varlistentry id="losetup">
786 <term><command>losetup</command></term>
787 <listitem>
788 <para>Sets up and controls loop devices</para>
789 <indexterm zone="ch-system-util-linux losetup">
790 <primary sortas="b-losetup">losetup</primary>
791 </indexterm>
792 </listitem>
793 </varlistentry>
794
795 <varlistentry id="lsblk">
796 <term><command>lsblk</command></term>
797 <listitem>
798 <para>Lists information about all or selected block devices in
799 a tree-like format</para>
800 <indexterm zone="ch-system-util-linux lsblk">
801 <primary sortas="b-lsblk">lsblk</primary>
802 </indexterm>
803 </listitem>
804 </varlistentry>
805
806 <varlistentry id="lscpu">
807 <term><command>lscpu</command></term>
808 <listitem>
809 <para>Prints CPU architecture information</para>
810 <indexterm zone="ch-system-util-linux lscpu">
811 <primary sortas="b-lscpu">lscpu</primary>
812 </indexterm>
813 </listitem>
814 </varlistentry>
815
816 <varlistentry id="lsipc">
817 <term><command>lsipc</command></term>
818 <listitem>
819 <para>Prints information on IPC facilities currently employed
820 in the system</para>
821 <indexterm zone="ch-system-util-linux lsipc">
822 <primary sortas="b-lsipc">lsipc</primary>
823 </indexterm>
824 </listitem>
825 </varlistentry>
826
827 <varlistentry id="lslocks">
828 <term><command>lslocks</command></term>
829 <listitem>
830 <para>Lists local system locks</para>
831 <indexterm zone="ch-system-util-linux lslocks">
832 <primary sortas="b-lslocks">lslocks</primary>
833 </indexterm>
834 </listitem>
835 </varlistentry>
836
837 <varlistentry id="lslogins">
838 <term><command>lslogins</command></term>
839 <listitem>
840 <para>Lists information about users, groups and system accounts</para>
841 <indexterm zone="ch-system-util-linux lslogins">
842 <primary sortas="b-lslogins">lslogins</primary>
843 </indexterm>
844 </listitem>
845 </varlistentry>
846
847 <varlistentry id="lsmem">
848 <term><command>lsmem</command></term>
849 <listitem>
850 <para>Lists the ranges of available memory with their online
851 status</para>
852 <indexterm zone="ch-system-util-linux lsmem">
853 <primary sortas="b-lsmem">lsmem</primary>
854 </indexterm>
855 </listitem>
856 </varlistentry>
857
858 <varlistentry id="lsns">
859 <term><command>lsns</command></term>
860 <listitem>
861 <para>Lists namespaces</para>
862 <indexterm zone="ch-system-util-linux lsns">
863 <primary sortas="b-lsns">lsns</primary>
864 </indexterm>
865 </listitem>
866 </varlistentry>
867
868 <varlistentry id="mcookie">
869 <term><command>mcookie</command></term>
870 <listitem>
871 <para>Generates magic cookies (128-bit random hexadecimal numbers) for
872 <command>xauth</command></para>
873 <indexterm zone="ch-system-util-linux mcookie">
874 <primary sortas="b-mcookie">mcookie</primary>
875 </indexterm>
876 </listitem>
877 </varlistentry>
878
879 <varlistentry id="mesg">
880 <term><command>mesg</command></term>
881 <listitem>
882 <para>Controls whether other users can send messages to the current
883 user's terminal</para>
884 <indexterm zone="ch-system-util-linux mesg">
885 <primary sortas="b-mesg">mesg</primary>
886 </indexterm>
887 </listitem>
888 </varlistentry>
889
890 <varlistentry id="mkfs">
891 <term><command>mkfs</command></term>
892 <listitem>
893 <para>Builds a file system on a device (usually a hard disk
894 partition)</para>
895 <indexterm zone="ch-system-util-linux mkfs">
896 <primary sortas="b-mkfs">mkfs</primary>
897 </indexterm>
898 </listitem>
899 </varlistentry>
900
901 <varlistentry id="mkfs.bfs">
902 <term><command>mkfs.bfs</command></term>
903 <listitem>
904 <para>Creates a Santa Cruz Operations (SCO) bfs file system</para>
905 <indexterm zone="ch-system-util-linux mkfs.bfs">
906 <primary sortas="b-mkfs.bfs">mkfs.bfs</primary>
907 </indexterm>
908 </listitem>
909 </varlistentry>
910
911 <varlistentry id="mkfs.cramfs">
912 <term><command>mkfs.cramfs</command></term>
913 <listitem>
914 <para>Creates a cramfs file system</para>
915 <indexterm zone="ch-system-util-linux mkfs.cramfs">
916 <primary sortas="b-mkfs.cramfs">mkfs.cramfs</primary>
917 </indexterm>
918 </listitem>
919 </varlistentry>
920
921 <varlistentry id="mkfs.minix">
922 <term><command>mkfs.minix</command></term>
923 <listitem>
924 <para>Creates a Minix file system</para>
925 <indexterm zone="ch-system-util-linux mkfs.minix">
926 <primary sortas="b-mkfs.minix">mkfs.minix</primary>
927 </indexterm>
928 </listitem>
929 </varlistentry>
930
931 <varlistentry id="mkswap">
932 <term><command>mkswap</command></term>
933 <listitem>
934 <para>Initializes the given device or file to be used as a swap
935 area</para>
936 <indexterm zone="ch-system-util-linux mkswap">
937 <primary sortas="b-mkswap">mkswap</primary>
938 </indexterm>
939 </listitem>
940 </varlistentry>
941
942 <varlistentry id="more">
943 <term><command>more</command></term>
944 <listitem>
945 <para>A filter for paging through text one screen at a time</para>
946 <indexterm zone="ch-system-util-linux more">
947 <primary sortas="b-more">more</primary>
948 </indexterm>
949 </listitem>
950 </varlistentry>
951
952 <varlistentry id="mount">
953 <term><command>mount</command></term>
954 <listitem>
955 <para>Attaches the file system on the given device to a specified
956 directory in the file-system tree</para>
957 <indexterm zone="ch-system-util-linux mount">
958 <primary sortas="b-mount">mount</primary>
959 </indexterm>
960 </listitem>
961 </varlistentry>
962
963 <varlistentry id="mountpoint">
964 <term><command>mountpoint</command></term>
965 <listitem>
966 <para>Checks if the directory is a mountpoint</para>
967 <indexterm zone="ch-system-util-linux mountpoint">
968 <primary sortas="b-mountpoint">mountpoint</primary>
969 </indexterm>
970 </listitem>
971 </varlistentry>
972
973 <varlistentry id="namei">
974 <term><command>namei</command></term>
975 <listitem>
976 <para>Shows the symbolic links in the given pathnames</para>
977 <indexterm zone="ch-system-util-linux namei">
978 <primary sortas="b-namei">namei</primary>
979 </indexterm>
980 </listitem>
981 </varlistentry>
982
983 <varlistentry id="nsenter">
984 <term><command>nsenter</command></term>
985 <listitem>
986 <para>Runs a program with namespaces of other processes</para>
987 <indexterm zone="ch-system-util-linux nsenter">
988 <primary sortas="b-nsenter">nsenter</primary>
989 </indexterm>
990 </listitem>
991 </varlistentry>
992
993 <varlistentry id="partx">
994 <term><command>partx</command></term>
995 <listitem>
996 <para>Tells the kernel about the presence and numbering of on-disk
997 partitions</para>
998 <indexterm zone="ch-system-util-linux partx">
999 <primary sortas="b-partx">partx</primary>
1000 </indexterm>
1001 </listitem>
1002 </varlistentry>
1003
1004 <varlistentry id="pivot_root">
1005 <term><command>pivot_root</command></term>
1006 <listitem>
1007 <para>Makes the given file system the new root file system of the
1008 current process</para>
1009 <indexterm zone="ch-system-util-linux pivot_root">
1010 <primary sortas="b-pivot_root">pivot_root</primary>
1011 </indexterm>
1012 </listitem>
1013 </varlistentry>
1014
1015 <varlistentry id="prlimit">
1016 <term><command>prlimit</command></term>
1017 <listitem>
1018 <para>Get and set a process' resource limits</para>
1019 <indexterm zone="ch-system-util-linux prlimit">
1020 <primary sortas="b-prlimit">prlimit</primary>
1021 </indexterm>
1022 </listitem>
1023 </varlistentry>
1024
1025 <varlistentry id="raw">
1026 <term><command>raw</command></term>
1027 <listitem>
1028 <para>Bind a Linux raw character device to a block device</para>
1029 <indexterm zone="ch-system-util-linux raw">
1030 <primary sortas="b-raw">raw</primary>
1031 </indexterm>
1032 </listitem>
1033 </varlistentry>
1034
1035 <varlistentry id="readprofile">
1036 <term><command>readprofile</command></term>
1037 <listitem>
1038 <para>Reads kernel profiling information</para>
1039 <indexterm zone="ch-system-util-linux readprofile">
1040 <primary sortas="b-readprofile">readprofile</primary>
1041 </indexterm>
1042 </listitem>
1043 </varlistentry>
1044
1045 <varlistentry id="rename">
1046 <term><command>rename</command></term>
1047 <listitem>
1048 <para>Renames the given files, replacing a given string with
1049 another</para>
1050 <indexterm zone="ch-system-util-linux rename">
1051 <primary sortas="b-rename">rename</primary>
1052 </indexterm>
1053 </listitem>
1054 </varlistentry>
1055
1056 <varlistentry id="renice">
1057 <term><command>renice</command></term>
1058 <listitem>
1059 <para>Alters the priority of running processes</para>
1060 <indexterm zone="ch-system-util-linux renice">
1061 <primary sortas="b-renice">renice</primary>
1062 </indexterm>
1063 </listitem>
1064 </varlistentry>
1065
1066 <varlistentry id="resizepart">
1067 <term><command>resizepart</command></term>
1068 <listitem>
1069 <para>Asks the Linux kernel to resize a partition</para>
1070 <indexterm zone="ch-system-util-linux resizepart">
1071 <primary sortas="b-resizepart">resizepart</primary>
1072 </indexterm>
1073 </listitem>
1074 </varlistentry>
1075
1076 <varlistentry id="rev">
1077 <term><command>rev</command></term>
1078 <listitem>
1079 <para>Reverses the lines of a given file</para>
1080 <indexterm zone="ch-system-util-linux rev">
1081 <primary sortas="b-rev">rev</primary>
1082 </indexterm>
1083 </listitem>
1084 </varlistentry>
1085
1086 <varlistentry id="rkfill">
1087 <term><command>rkfill</command></term>
1088 <listitem>
1089 <para>Tool for enabling and disabling wireless devices</para>
1090 <indexterm zone="ch-system-util-linux rkfill">
1091 <primary sortas="b-rkfill">rkfill</primary>
1092 </indexterm>
1093 </listitem>
1094 </varlistentry>
1095
1096 <varlistentry id="rtcwake">
1097 <term><command>rtcwake</command></term>
1098 <listitem>
1099 <para>Used to enter a system sleep state until specified wakeup
1100 time</para>
1101 <indexterm zone="ch-system-util-linux rtcwake">
1102 <primary sortas="b-rtcwake">rtcwake</primary>
1103 </indexterm>
1104 </listitem>
1105 </varlistentry>
1106
1107 <varlistentry id="script">
1108 <term><command>script</command></term>
1109 <listitem>
1110 <para>Makes a typescript of a terminal session</para>
1111 <indexterm zone="ch-system-util-linux script">
1112 <primary sortas="b-script">script</primary>
1113 </indexterm>
1114 </listitem>
1115 </varlistentry>
1116
1117 <varlistentry id="scriptreplay">
1118 <term><command>scriptreplay</command></term>
1119 <listitem>
1120 <para>Plays back typescripts using timing information</para>
1121 <indexterm zone="ch-system-util-linux scriptreplay">
1122 <primary sortas="b-scriptreplay">scriptreplay</primary>
1123 </indexterm>
1124 </listitem>
1125 </varlistentry>
1126
1127 <varlistentry id="setarch">
1128 <term><command>setarch</command></term>
1129 <listitem>
1130 <para>Changes reported architecture in a new program environment and
1131 sets personality flags</para>
1132 <indexterm zone="ch-system-util-linux setarch">
1133 <primary sortas="b-setarch">setarch</primary>
1134 </indexterm>
1135 </listitem>
1136 </varlistentry>
1137
1138 <varlistentry id="setsid">
1139 <term><command>setsid</command></term>
1140 <listitem>
1141 <para>Runs the given program in a new session</para>
1142 <indexterm zone="ch-system-util-linux setsid">
1143 <primary sortas="b-setsid">setsid</primary>
1144 </indexterm>
1145 </listitem>
1146 </varlistentry>
1147
1148 <varlistentry id="setterm">
1149 <term><command>setterm</command></term>
1150 <listitem>
1151 <para>Sets terminal attributes</para>
1152 <indexterm zone="ch-system-util-linux setterm">
1153 <primary sortas="b-setterm">setterm</primary>
1154 </indexterm>
1155 </listitem>
1156 </varlistentry>
1157
1158 <varlistentry id="sfdisk">
1159 <term><command>sfdisk</command></term>
1160 <listitem>
1161 <para>A disk partition table manipulator</para>
1162 <indexterm zone="ch-system-util-linux sfdisk">
1163 <primary sortas="b-sfdisk">sfdisk</primary>
1164 </indexterm>
1165 </listitem>
1166 </varlistentry>
1167
1168 <varlistentry id="sulogin">
1169 <term><command>sulogin</command></term>
1170 <listitem>
1171 <para>Allows <systemitem class="username">root</systemitem> to log in;
1172 it is normally invoked by <command>init</command> when the system goes
1173 into single user mode</para>
1174 <indexterm zone="ch-system-util-linux sulogin">
1175 <primary sortas="b-sulogin">sulogin</primary>
1176 </indexterm>
1177 </listitem>
1178 </varlistentry>
1179
1180 <varlistentry id="swaplabel">
1181 <term><command>swaplabel</command></term>
1182 <listitem>
1183 <para>Allows to change swaparea UUID and label</para>
1184 <indexterm zone="ch-system-util-linux swaplabel">
1185 <primary sortas="b-swaplabel">swaplabel</primary>
1186 </indexterm>
1187 </listitem>
1188 </varlistentry>
1189
1190 <varlistentry id="swapoff">
1191 <term><command>swapoff</command></term>
1192 <listitem>
1193 <para>Disables devices and files for paging and swapping</para>
1194 <indexterm zone="ch-system-util-linux swapoff">
1195 <primary sortas="b-swapoff">swapoff</primary>
1196 </indexterm>
1197 </listitem>
1198 </varlistentry>
1199
1200 <varlistentry id="swapon">
1201 <term><command>swapon</command></term>
1202 <listitem>
1203 <para>Enables devices and files for paging and swapping and
1204 lists the devices and files currently in use</para>
1205 <indexterm zone="ch-system-util-linux swapon">
1206 <primary sortas="b-swapon">swapon</primary>
1207 </indexterm>
1208 </listitem>
1209 </varlistentry>
1210
1211 <varlistentry id="switch_root">
1212 <term><command>switch_root</command></term>
1213 <listitem>
1214 <para>Switches to another filesystem as the root of the mount tree</para>
1215 <indexterm zone="ch-system-util-linux switch_root">
1216 <primary sortas="b-switch_root">switch_root</primary>
1217 </indexterm>
1218 </listitem>
1219 </varlistentry>
1220
1221 <varlistentry id="tailf">
1222 <term><command>tailf</command></term>
1223 <listitem>
1224 <para>Tracks the growth of a log file; displays the last 10 lines
1225 of a log file, then continues displaying any new entries in the
1226 log file as they are created</para>
1227 <indexterm zone="ch-system-util-linux tailf">
1228 <primary sortas="b-tailf">tailf</primary>
1229 </indexterm>
1230 </listitem>
1231 </varlistentry>
1232
1233 <varlistentry id="taskset">
1234 <term><command>taskset</command></term>
1235 <listitem>
1236 <para>Retrieves or sets a process' CPU affinity</para>
1237 <indexterm zone="ch-system-util-linux taskset">
1238 <primary sortas="b-taskset">taskset</primary>
1239 </indexterm>
1240 </listitem>
1241 </varlistentry>
1242
1243 <varlistentry id="ul">
1244 <term><command>ul</command></term>
1245 <listitem>
1246 <para>A filter for translating underscores into escape sequences
1247 indicating underlining for the terminal in use</para>
1248 <indexterm zone="ch-system-util-linux ul">
1249 <primary sortas="b-ul">ul</primary>
1250 </indexterm>
1251 </listitem>
1252 </varlistentry>
1253
1254 <varlistentry id="umount">
1255 <term><command>umount</command></term>
1256 <listitem>
1257 <para>Disconnects a file system from the system's file tree</para>
1258 <indexterm zone="ch-system-util-linux umount">
1259 <primary sortas="b-umount">umount</primary>
1260 </indexterm>
1261 </listitem>
1262 </varlistentry>
1263
1264 <varlistentry id="uname26">
1265 <term><command>uname26</command></term>
1266 <listitem>
1267 <para>A symbolic link to setarch</para>
1268 <indexterm zone="ch-system-util-linux uname26">
1269 <primary sortas="b-uname26">uname26</primary>
1270 </indexterm>
1271 </listitem>
1272 </varlistentry>
1273
1274 <varlistentry id="unshare">
1275 <term><command>unshare</command></term>
1276 <listitem>
1277 <para>Runs a program with some namespaces unshared from parent</para>
1278 <indexterm zone="ch-system-util-linux unshare">
1279 <primary sortas="b-unshare">unshare</primary>
1280 </indexterm>
1281 </listitem>
1282 </varlistentry>
1283
1284 <varlistentry id="utmpdump">
1285 <term><command>utmpdump</command></term>
1286 <listitem>
1287 <para>Displays the content of the given login file in a more
1288 user-friendly format</para>
1289 <indexterm zone="ch-system-util-linux utmpdump">
1290 <primary sortas="b-utmpdump">utmpdump</primary>
1291 </indexterm>
1292 </listitem>
1293 </varlistentry>
1294
1295 <varlistentry id="uuidd">
1296 <term><command>uuidd</command></term>
1297 <listitem>
1298 <para>A daemon used by the UUID library to generate time-based
1299 UUIDs in a secure and guaranteed-unique fashion</para>
1300 <indexterm zone="ch-system-util-linux uuidd">
1301 <primary sortas="b-uuidd">uuidd</primary>
1302 </indexterm>
1303 </listitem>
1304 </varlistentry>
1305
1306 <varlistentry id="uuidgen">
1307 <term><command>uuidgen</command></term>
1308 <listitem>
1309 <para>Creates new UUIDs. Each new UUID can reasonably be considered
1310 unique among all UUIDs created, on the local system and on other
1311 systems, in the past and in the future</para>
1312 <indexterm zone="ch-system-util-linux uuidgen">
1313 <primary sortas="b-uuidgen">uuidgen</primary>
1314 </indexterm>
1315 </listitem>
1316 </varlistentry>
1317
1318 <varlistentry id="uuidparse">
1319 <term><command>uuidparse</command></term>
1320 <listitem>
1321 <para>An utility to parse unique identifiers</para>
1322 <indexterm zone="ch-system-util-linux uuidparse">
1323 <primary sortas="b-uuidparse">uuidparse</primary>
1324 </indexterm>
1325 </listitem>
1326 </varlistentry>
1327
1328 <varlistentry id="wall">
1329 <term><command>wall</command></term>
1330 <listitem>
1331 <para>Displays the contents of a file or, by default, its standard
1332 input, on the terminals of all currently logged in users</para>
1333 <indexterm zone="ch-system-util-linux wall">
1334 <primary sortas="b-wall">wall</primary>
1335 </indexterm>
1336 </listitem>
1337 </varlistentry>
1338
1339 <varlistentry id="wdctl">
1340 <term><command>wdctl</command></term>
1341 <listitem>
1342 <para>Shows hardware watchdog status</para>
1343 <indexterm zone="ch-system-util-linux wdctl">
1344 <primary sortas="b-wdctl">wdctl</primary>
1345 </indexterm>
1346 </listitem>
1347 </varlistentry>
1348
1349 <varlistentry id="whereis">
1350 <term><command>whereis</command></term>
1351 <listitem>
1352 <para>Reports the location of the binary, source, and man page
1353 for the given command</para>
1354 <indexterm zone="ch-system-util-linux whereis">
1355 <primary sortas="b-whereis">whereis</primary>
1356 </indexterm>
1357 </listitem>
1358 </varlistentry>
1359
1360 <varlistentry id="wipefs">
1361 <term><command>wipefs</command></term>
1362 <listitem>
1363 <para>Wipes a filesystem signature from a device</para>
1364 <indexterm zone="ch-system-util-linux wipefs">
1365 <primary sortas="b-wipefs">wipefs</primary>
1366 </indexterm>
1367 </listitem>
1368 </varlistentry>
1369
1370 <varlistentry id="x86_64">
1371 <term><command>x86_64</command></term>
1372 <listitem>
1373 <para>A symbolic link to setarch</para>
1374 <indexterm zone="ch-system-util-linux x86_64">
1375 <primary sortas="b-x86_64">x86_64</primary>
1376 </indexterm>
1377 </listitem>
1378 </varlistentry>
1379
1380 <varlistentry id="zramctl">
1381 <term><command>zramctl</command></term>
1382 <listitem>
1383 <para>A program to set up and control zram (compressed ram disk)
1384 devices</para>
1385 <indexterm zone="ch-system-util-linux zramctl">
1386 <primary sortas="b-zramctl">zramctl</primary>
1387 </indexterm>
1388 </listitem>
1389 </varlistentry>
1390
1391 <varlistentry id="libblkid">
1392 <term><filename class="libraryfile">libblkid</filename></term>
1393 <listitem>
1394 <para>Contains routines for device identification and token
1395 extraction</para>
1396 <indexterm zone="ch-system-util-linux libblkid">
1397 <primary sortas="c-libblkid">libblkid</primary>
1398 </indexterm>
1399 </listitem>
1400 </varlistentry>
1401
1402 <varlistentry id="libfdisk">
1403 <term><filename class="libraryfile">libfdisk</filename></term>
1404 <listitem>
1405 <para>Contains routines for manipulating partition tables</para>
1406 <indexterm zone="ch-system-util-linux libfdisk">
1407 <primary sortas="c-libfdisk">libfdisk</primary>
1408 </indexterm>
1409 </listitem>
1410 </varlistentry>
1411
1412 <varlistentry id="libmount">
1413 <term><filename class="libraryfile">libmount</filename></term>
1414 <listitem>
1415 <para>Contains routines for block device mounting and
1416 unmounting</para>
1417 <indexterm zone="ch-system-util-linux libmount">
1418 <primary sortas="c-libmount">libmount</primary>
1419 </indexterm>
1420 </listitem>
1421 </varlistentry>
1422
1423 <varlistentry id="libsmartcols">
1424 <term><filename class="libraryfile">libsmartcols</filename></term>
1425 <listitem>
1426 <para>Contains routines for aiding screen output in tabular form</para>
1427 <indexterm zone="ch-system-util-linux libsmartcols">
1428 <primary sortas="c-libsmartcols">libsmartcols</primary>
1429 </indexterm>
1430 </listitem>
1431 </varlistentry>
1432
1433 <varlistentry id="libuuid">
1434 <term><filename class="libraryfile">libuuid</filename></term>
1435 <listitem>
1436 <para>Contains routines for generating unique identifiers for objects
1437 that may be accessible beyond the local system</para>
1438 <indexterm zone="ch-system-util-linux libuuid">
1439 <primary sortas="c-libuuid">libuuid</primary>
1440 </indexterm>
1441 </listitem>
1442 </varlistentry>
1443
1444 </variablelist>
1445
1446 </sect2>
1447
1448</sect1>
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