source: chapter08/util-linux.xml@ 77f8d57

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