source: BOOK/final-system/common/util-linux-ng.xml@ 8aa6f1c2

clfs-1.2 clfs-2.1 clfs-3.0.0-systemd clfs-3.0.0-sysvinit systemd sysvinit
Last change on this file since 8aa6f1c2 was d761a43, checked in by Joe Ciccone <jciccone@…>, 17 years ago

add --build and --host to util-linux-ng in the multilib chroot section.

  • Property mode set to 100644
File size: 26.6 KB
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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-ng" role="wrap">
9 <?dbhtml filename="util-linux-ng.html"?>
10
11 <title>Util-linux-ng-&util-linux-ng-version;</title>
12
13 <indexterm zone="ch-system-util-linux-ng">
14 <primary sortas="a-Util-linux-ng">Util-linux-ng</primary>
15 </indexterm>
16
17 <sect2 role="package">
18 <title/>
19
20 <para>The Util-linux-ng package contains miscellaneous utility programs.
21 Among them are utilities for handling file systems, consoles, partitions,
22 and messages.</para>
23
24
25 </sect2>
26
27 <sect2 id="fhs-util-linux-ng" role="installation">
28 <title>FHS compliance notes</title>
29
30 <para>The FHS recommends using the <filename
31 class="directory">/var/lib/hwclock</filename> directory instead of the
32 usual <filename class="directory">/etc</filename> directory as the
33 location for the <filename>adjtime</filename> file. To make the
34 <command>hwclock</command> program FHS-compliant, run the following:</para>
35
36<screen><userinput>sed -i 's@etc/adjtime@var/lib/hwclock/adjtime@g' \
37 hwclock/hwclock.c
38mkdir -pv /var/lib/hwclock</userinput></screen>
39
40 </sect2>
41
42 <sect2 role="installation">
43 <title>Installation of Util-linux-ng</title>
44
45 <para os="a">Prepare Util-linux-ng for compilation:</para>
46
47<screen os="b"><userinput>./configure --enable-partx \
48 --disable-wall --enable-write</userinput></screen>
49
50 <variablelist os="c">
51 <title>The meaning of the configure options:</title>
52
53 <varlistentry>
54 <term><parameter>--enable-partx</parameter></term>
55 <listitem>
56 <para>Enable partx stuff (need more description).</para>
57 </listitem>
58 </varlistentry>
59
60 <varlistentry>
61 <term><parameter>--disable-wall</parameter></term>
62 <listitem>
63 <para>Disables building the <command>wall</command> program,
64 as the Sysvinit package installs its own version.</para>
65 </listitem>
66 </varlistentry>
67
68 <varlistentry>
69 <term><parameter>--enable-write</parameter></term>
70 <listitem>
71 <para>This option allows the <command>write</command> program to be
72 installed.</para>
73 </listitem>
74 </varlistentry>
75
76 </variablelist>
77
78 <para os="d">Compile the package:</para>
79
80<screen os="e"><userinput>make</userinput></screen>
81
82 <para os="f">This package does not come with a test suite.</para>
83
84 <para os="g">Install the package:</para>
85
86<screen os="h"><userinput>make install</userinput></screen>
87
88 <para os="i">Move the <command>logger</command> binary to
89 <filename class="directory">/bin</filename> as it is needed by the
90 CLFS-Bootscripts package:</para>
91
92<screen os="j"><userinput>mv -v /usr/bin/logger /bin</userinput></screen>
93
94 </sect2>
95
96 <sect2 id="contents-util-linux-ng" role="content">
97 <title>Contents of Util-linux-ng</title>
98
99 <segmentedlist>
100 <segtitle>Installed programs</segtitle>
101
102 <seglistitem>
103 <seg>addpart, agetty, blockdev, cal, cfdisk, chkdupexe, col, colcrt,
104 colrm, column, ctrlaltdel, cytune, ddate, delpart, dmesg, fdformat,
105 fdisk, flock, fsck.cramfs, fsck.minix, getopt, hexdump, hwclock, ionice,
106 ipcrm, ipcs, isosize, line, logger, look, losetup, mcookie, mkfs,
107 mkfs.bfs, mkfs.cramfs, mkfs.minix, mkswap, more, mount, namei, partx,
108 pg, pivot_root, readprofile, rename, renice, rev, rtcwake, script,
109 scriptreplay, setarch, setsid, setterm, sfdisk, swapoff (link to swapon),
110 swapon, tailf, taskset, tunelp, ul, umount, whereis, and write</seg>
111 </seglistitem>
112 </segmentedlist>
113
114 <variablelist>
115 <bridgehead renderas="sect3">Short Descriptions</bridgehead>
116 <?dbfo list-presentation="list"?>
117 <?dbhtml list-presentation="table"?>
118
119 <varlistentry id="addpart">
120 <term><command>addpart</command></term>
121 <listitem>
122 <para>Informs the kernel of a new partition</para>
123 <indexterm zone="ch-system-util-linux-ng addpart">
124 <primary sortas="b-addpart">addpart</primary>
125 </indexterm>
126 </listitem>
127 </varlistentry>
128
129 <varlistentry id="agetty">
130 <term><command>agetty</command></term>
131 <listitem>
132 <para>Opens a tty port, prompts for a login name,
133 and then invokes the <command>login</command> program</para>
134 <indexterm zone="ch-system-util-linux-ng agetty">
135 <primary sortas="b-agetty">agetty</primary>
136 </indexterm>
137 </listitem>
138 </varlistentry>
139
140 <varlistentry id="blockdev">
141 <term><command>blockdev</command></term>
142 <listitem>
143 <para>Allows users to call block device ioctls from the command
144 line</para>
145 <indexterm zone="ch-system-util-linux-ng blockdev">
146 <primary sortas="b-blockdev">blockdev</primary>
147 </indexterm>
148 </listitem>
149 </varlistentry>
150
151 <varlistentry id="cal">
152 <term><command>cal</command></term>
153 <listitem>
154 <para>Displays a simple calendar</para>
155 <indexterm zone="ch-system-util-linux-ng cal">
156 <primary sortas="b-cal">cal</primary>
157 </indexterm>
158 </listitem>
159 </varlistentry>
160
161 <varlistentry id="cfdisk">
162 <term><command>cfdisk</command></term>
163 <listitem>
164 <para>Manipulates the partition table of the given device</para>
165 <indexterm zone="ch-system-util-linux-ng cfdisk">
166 <primary sortas="b-cfdisk">cfdisk</primary>
167 </indexterm>
168 </listitem>
169 </varlistentry>
170
171 <varlistentry id="chkdupexe">
172 <term><command>chkdupexe</command></term>
173 <listitem>
174 <para>Finds duplicate executables</para>
175 <indexterm zone="ch-system-util-linux-ng chkdupexe">
176 <primary sortas="b-chkdupexe">chkdupexe</primary>
177 </indexterm>
178 </listitem>
179 </varlistentry>
180
181 <varlistentry id="col">
182 <term><command>col</command></term>
183 <listitem>
184 <para>Filters out reverse line feeds</para>
185 <indexterm zone="ch-system-util-linux-ng col">
186 <primary sortas="b-col">col</primary>
187 </indexterm>
188 </listitem>
189 </varlistentry>
190
191 <varlistentry id="colcrt">
192 <term><command>colcrt</command></term>
193 <listitem>
194 <para>Filters <command>nroff</command> output for terminals
195 that lack some capabilities, such as overstriking and half-lines</para>
196 <indexterm zone="ch-system-util-linux-ng colcrt">
197 <primary sortas="b-colcrt">colcrt</primary>
198 </indexterm>
199 </listitem>
200 </varlistentry>
201
202 <varlistentry id="colrm">
203 <term><command>colrm</command></term>
204 <listitem>
205 <para>Filters out the given columns</para>
206 <indexterm zone="ch-system-util-linux-ng colrm">
207 <primary sortas="b-colrm">colrm</primary>
208 </indexterm>
209 </listitem>
210 </varlistentry>
211
212 <varlistentry id="column">
213 <term><command>column</command></term>
214 <listitem>
215 <para>Formats a given file into multiple columns</para>
216 <indexterm zone="ch-system-util-linux-ng column">
217 <primary sortas="b-column">column</primary>
218 </indexterm>
219 </listitem>
220 </varlistentry>
221
222 <varlistentry id="ctrlaltdel">
223 <term><command>ctrlaltdel</command></term>
224 <listitem>
225 <para>Sets the function of the Ctrl+Alt+Del key combination to a
226 hard or a soft reset</para>
227 <indexterm zone="ch-system-util-linux-ng ctrlaltdel">
228 <primary sortas="b-ctrlaltdel">ctrlaltdel</primary>
229 </indexterm>
230 </listitem>
231 </varlistentry>
232
233 <varlistentry id="cytune">
234 <term><command>cytune</command></term>
235 <listitem>
236 <para>Tunes the parameters of the serial line drivers for
237 Cyclades cards</para>
238 <indexterm zone="ch-system-util-linux-ng cytune">
239 <primary sortas="b-cytune">cytune</primary>
240 </indexterm>
241 </listitem>
242 </varlistentry>
243
244 <varlistentry id="ddate">
245 <term><command>ddate</command></term>
246 <listitem>
247 <para>Gives the Discordian date or converts the given Gregorian date
248 to a Discordian one</para>
249 <indexterm zone="ch-system-util-linux-ng ddate">
250 <primary sortas="b-ddate">ddate</primary>
251 </indexterm>
252 </listitem>
253 </varlistentry>
254
255 <varlistentry id="delpart">
256 <term><command>delpart</command></term>
257 <listitem>
258 <para>Asks the kernel to remove a partition</para>
259 <indexterm zone="ch-system-util-linux-ng delpart">
260 <primary sortas="b-delpart">delpart</primary>
261 </indexterm>
262 </listitem>
263 </varlistentry>
264
265 <varlistentry id="dmesg">
266 <term><command>dmesg</command></term>
267 <listitem>
268 <para>Dumps the kernel boot messages</para>
269 <indexterm zone="ch-system-util-linux-ng dmesg">
270 <primary sortas="b-dmesg">dmesg</primary>
271 </indexterm>
272 </listitem>
273 </varlistentry>
274
275 <varlistentry id="fdformat">
276 <term><command>fdformat</command></term>
277 <listitem>
278 <para>Low-level formats a floppy disk</para>
279 <indexterm zone="ch-system-util-linux-ng fdformat">
280 <primary sortas="b-fdformat">fdformat</primary>
281 </indexterm>
282 </listitem>
283 </varlistentry>
284
285 <varlistentry id="fdisk">
286 <term><command>fdisk</command></term>
287 <listitem>
288 <para>Manipulates the partition table of the given device</para>
289 <indexterm zone="ch-system-util-linux-ng fdisk">
290 <primary sortas="b-fdisk">fdisk</primary>
291 </indexterm>
292 </listitem>
293 </varlistentry>
294
295 <varlistentry id="flock">
296 <term><command>flock</command></term>
297 <listitem>
298 <para>Acquires a file lock and then executes a command with the lock
299 held</para>
300 <indexterm zone="ch-system-util-linux-ng flock">
301 <primary sortas="b-flock">flock</primary>
302 </indexterm>
303 </listitem>
304 </varlistentry>
305
306 <varlistentry id="fsck.cramfs">
307 <term><command>fsck.cramfs</command></term>
308 <listitem>
309 <para>Performs a consistency check on the Cramfs file system on the
310 given device</para>
311 <indexterm zone="ch-system-util-linux-ng fsck.cramfs">
312 <primary sortas="b-fsck.cramfs">fsck.cramfs</primary>
313 </indexterm>
314 </listitem>
315 </varlistentry>
316
317 <varlistentry id="fsck.minix">
318 <term><command>fsck.minix</command></term>
319 <listitem>
320 <para>Performs a consistency check on the Minix file system on the
321 given device</para>
322 <indexterm zone="ch-system-util-linux-ng fsck.minix">
323 <primary sortas="b-fsck.minix">fsck.minix</primary>
324 </indexterm>
325 </listitem>
326 </varlistentry>
327
328 <varlistentry id="getopt">
329 <term><command>getopt</command></term>
330 <listitem>
331 <para>Parses options in the given command line</para>
332 <indexterm zone="ch-system-util-linux-ng getopt">
333 <primary sortas="b-getopt">getopt</primary>
334 </indexterm>
335 </listitem>
336 </varlistentry>
337
338 <varlistentry id="hexdump">
339 <term><command>hexdump</command></term>
340 <listitem>
341 <para>Dumps the given file in hexadecimal or in another given
342 format</para>
343 <indexterm zone="ch-system-util-linux-ng hexdump">
344 <primary sortas="b-hexdump">hexdump</primary>
345 </indexterm>
346 </listitem>
347 </varlistentry>
348
349 <varlistentry id="hwclock">
350 <term><command>hwclock</command></term>
351 <listitem>
352 <para>Reads or sets the system's hardware clock, also called
353 the Real-Time Clock (RTC) or Basic Input-Output System (BIOS)
354 clock</para>
355 <indexterm zone="ch-system-util-linux-ng hwclock">
356 <primary sortas="b-hwclock">hwclock</primary>
357 </indexterm>
358 </listitem>
359 </varlistentry>
360
361 <varlistentry id="ionice">
362 <term><command>ionice</command></term>
363 <listitem>
364 <para>Gives and sets program I/O scheduling class and priority</para>
365 <indexterm zone="ch-system-util-linux-ng ionice">
366 <primary sortas="b-ionice">ionice</primary>
367 </indexterm>
368 </listitem>
369 </varlistentry>
370
371 <varlistentry id="ipcrm">
372 <term><command>ipcrm</command></term>
373 <listitem>
374 <para>Removes the given Inter-Process Communication (IPC) resource</para>
375 <indexterm zone="ch-system-util-linux-ng ipcrm">
376 <primary sortas="b-ipcrm">ipcrm</primary>
377 </indexterm>
378 </listitem>
379 </varlistentry>
380
381 <varlistentry id="ipcs">
382 <term><command>ipcs</command></term>
383 <listitem>
384 <para>Provides IPC status information</para>
385 <indexterm zone="ch-system-util-linux-ng ipcs">
386 <primary sortas="b-ipcs">ipcs</primary>
387 </indexterm>
388 </listitem>
389 </varlistentry>
390
391 <varlistentry id="isosize">
392 <term><command>isosize</command></term>
393 <listitem>
394 <para>Reports the size of an iso9660 file system</para>
395 <indexterm zone="ch-system-util-linux-ng isosize">
396 <primary sortas="b-isosize">isosize</primary>
397 </indexterm>
398 </listitem>
399 </varlistentry>
400
401 <varlistentry id="line">
402 <term><command>line</command></term>
403 <listitem>
404 <para>Copies a single line</para>
405 <indexterm zone="ch-system-util-linux-ng line">
406 <primary sortas="b-line">line</primary>
407 </indexterm>
408 </listitem>
409 </varlistentry>
410
411 <varlistentry id="logger">
412 <term><command>logger</command></term>
413 <listitem>
414 <para>Enters the given message into the system log</para>
415 <indexterm zone="ch-system-util-linux-ng logger">
416 <primary sortas="b-logger">logger</primary>
417 </indexterm>
418 </listitem>
419 </varlistentry>
420
421 <varlistentry id="look">
422 <term><command>look</command></term>
423 <listitem>
424 <para>Displays lines that begin with the given string</para>
425 <indexterm zone="ch-system-util-linux-ng look">
426 <primary sortas="b-look">look</primary>
427 </indexterm>
428 </listitem>
429 </varlistentry>
430
431 <varlistentry id="losetup">
432 <term><command>losetup</command></term>
433 <listitem>
434 <para>Sets up and controls loop devices</para>
435 <indexterm zone="ch-system-util-linux-ng losetup">
436 <primary sortas="b-losetup">losetup</primary>
437 </indexterm>
438 </listitem>
439 </varlistentry>
440
441 <varlistentry id="mcookie">
442 <term><command>mcookie</command></term>
443 <listitem>
444 <para>Generates magic cookies (128-bit random hexadecimal numbers) for
445 <command>xauth</command></para>
446 <indexterm zone="ch-system-util-linux-ng mcookie">
447 <primary sortas="b-mcookie">mcookie</primary>
448 </indexterm>
449 </listitem>
450 </varlistentry>
451
452 <varlistentry id="mkfs">
453 <term><command>mkfs</command></term>
454 <listitem>
455 <para>Builds a file system on a device (usually a hard disk
456 partition)</para>
457 <indexterm zone="ch-system-util-linux-ng mkfs">
458 <primary sortas="b-mkfs">mkfs</primary>
459 </indexterm>
460 </listitem>
461 </varlistentry>
462
463 <varlistentry id="mkfs.bfs">
464 <term><command>mkfs.bfs</command></term>
465 <listitem>
466 <para>Creates a Santa Cruz Operations (SCO) bfs file system</para>
467 <indexterm zone="ch-system-util-linux-ng mkfs.bfs">
468 <primary sortas="b-mkfs.bfs">mkfs.bfs</primary>
469 </indexterm>
470 </listitem>
471 </varlistentry>
472
473 <varlistentry id="mkfs.cramfs">
474 <term><command>mkfs.cramfs</command></term>
475 <listitem>
476 <para>Creates a cramfs file system</para>
477 <indexterm zone="ch-system-util-linux-ng mkfs.cramfs">
478 <primary sortas="b-mkfs.cramfs">mkfs.cramfs</primary>
479 </indexterm>
480 </listitem>
481 </varlistentry>
482
483 <varlistentry id="mkfs.minix">
484 <term><command>mkfs.minix</command></term>
485 <listitem>
486 <para>Creates a Minix file system</para>
487 <indexterm zone="ch-system-util-linux-ng mkfs.minix">
488 <primary sortas="b-mkfs.minix">mkfs.minix</primary>
489 </indexterm>
490 </listitem>
491 </varlistentry>
492
493 <varlistentry id="mkswap">
494 <term><command>mkswap</command></term>
495 <listitem>
496 <para>Initializes the given device or file to be used as a swap
497 area</para>
498 <indexterm zone="ch-system-util-linux-ng mkswap">
499 <primary sortas="b-mkswap">mkswap</primary>
500 </indexterm>
501 </listitem>
502 </varlistentry>
503
504 <varlistentry id="more">
505 <term><command>more</command></term>
506 <listitem>
507 <para>A filter for paging through text one screen at a time</para>
508 <indexterm zone="ch-system-util-linux-ng more">
509 <primary sortas="b-more">more</primary>
510 </indexterm>
511 </listitem>
512 </varlistentry>
513
514 <varlistentry id="mount">
515 <term><command>mount</command></term>
516 <listitem>
517 <para>Attaches the file system on the given device to a specified
518 directory in the file-system tree</para>
519 <indexterm zone="ch-system-util-linux-ng mount">
520 <primary sortas="b-mount">mount</primary>
521 </indexterm>
522 </listitem>
523 </varlistentry>
524
525 <varlistentry id="namei">
526 <term><command>namei</command></term>
527 <listitem>
528 <para>Shows the symbolic links in the given pathnames</para>
529 <indexterm zone="ch-system-util-linux-ng namei">
530 <primary sortas="b-namei">namei</primary>
531 </indexterm>
532 </listitem>
533 </varlistentry>
534
535 <varlistentry id="partx">
536 <term><command>partx</command></term>
537 <listitem>
538 <para>Tells the kernel about the presence and numbering of on-disk
539 partitions</para>
540 <indexterm zone="ch-system-util-linux-ng partx">
541 <primary sortas="b-partx">partx</primary>
542 </indexterm>
543 </listitem>
544 </varlistentry>
545
546 <varlistentry id="pg">
547 <term><command>pg</command></term>
548 <listitem>
549 <para>Displays a text file one screen full at a time</para>
550 <indexterm zone="ch-system-util-linux-ng pg">
551 <primary sortas="b-pg">pg</primary>
552 </indexterm>
553 </listitem>
554 </varlistentry>
555
556 <varlistentry id="pivot_root">
557 <term><command>pivot_root</command></term>
558 <listitem>
559 <para>Makes the given file system the new root file system of the
560 current process</para>
561 <indexterm zone="ch-system-util-linux-ng pivot_root">
562 <primary sortas="b-pivot_root">pivot_root</primary>
563 </indexterm>
564 </listitem>
565 </varlistentry>
566
567 <varlistentry id="readprofile">
568 <term><command>readprofile</command></term>
569 <listitem>
570 <para>Reads kernel profiling information</para>
571 <indexterm zone="ch-system-util-linux-ng readprofile">
572 <primary sortas="b-readprofile">readprofile</primary>
573 </indexterm>
574 </listitem>
575 </varlistentry>
576
577 <varlistentry id="rename">
578 <term><command>rename</command></term>
579 <listitem>
580 <para>Renames the given files, replacing a given string with
581 another</para>
582 <indexterm zone="ch-system-util-linux-ng rename">
583 <primary sortas="b-rename">rename</primary>
584 </indexterm>
585 </listitem>
586 </varlistentry>
587
588 <varlistentry id="renice">
589 <term><command>renice</command></term>
590 <listitem>
591 <para>Alters the priority of running processes</para>
592 <indexterm zone="ch-system-util-linux-ng renice">
593 <primary sortas="b-renice">renice</primary>
594 </indexterm>
595 </listitem>
596 </varlistentry>
597
598 <varlistentry id="rev">
599 <term><command>rev</command></term>
600 <listitem>
601 <para>Reverses the lines of a given file</para>
602 <indexterm zone="ch-system-util-linux-ng rev">
603 <primary sortas="b-rev">rev</primary>
604 </indexterm>
605 </listitem>
606 </varlistentry>
607
608 <varlistentry id="rtcwake">
609 <term><command>rtcwake</command></term>
610 <listitem>
611 <para>Enters a system sleep state until a specified wakeup time</para>
612 <indexterm zone="ch-system-util-linux-ng rtcwake">
613 <primary sortas="b-rtcwake">rtcwake</primary>
614 </indexterm>
615 </listitem>
616 </varlistentry>
617
618 <varlistentry id="script">
619 <term><command>script</command></term>
620 <listitem>
621 <para>Makes a typescript of a terminal session</para>
622 <indexterm zone="ch-system-util-linux-ng script">
623 <primary sortas="b-script">script</primary>
624 </indexterm>
625 </listitem>
626 </varlistentry>
627
628 <varlistentry id="scriptreplay">
629 <term><command>scriptreplay</command></term>
630 <listitem>
631 <para>Plays back typescripts created by <command>script</command></para>
632 <indexterm zone="ch-system-util-linux-ng scriptreplay">
633 <primary sortas="b-scriptreplay">scriptreplay</primary>
634 </indexterm>
635 </listitem>
636 </varlistentry>
637
638 <varlistentry id="setarch">
639 <term><command>setarch</command></term>
640 <listitem>
641 <para>Changes reported architecture in new program environment and
642 sets personality flags</para>
643 <indexterm zone="ch-system-util-linux-ng setarch">
644 <primary sortas="b-setarch">setarch</primary>
645 </indexterm>
646 </listitem>
647 </varlistentry>
648
649 <varlistentry id="setsid">
650 <term><command>setsid</command></term>
651 <listitem>
652 <para>Runs the given program in a new session</para>
653 <indexterm zone="ch-system-util-linux-ng setsid">
654 <primary sortas="b-setsid">setsid</primary>
655 </indexterm>
656 </listitem>
657 </varlistentry>
658
659 <varlistentry id="setterm">
660 <term><command>setterm</command></term>
661 <listitem>
662 <para>Sets terminal attributes</para>
663 <indexterm zone="ch-system-util-linux-ng setterm">
664 <primary sortas="b-setterm">setterm</primary>
665 </indexterm>
666 </listitem>
667 </varlistentry>
668
669 <varlistentry id="sfdisk">
670 <term><command>sfdisk</command></term>
671 <listitem>
672 <para>A disk partition table manipulator</para>
673 <indexterm zone="ch-system-util-linux-ng sfdisk">
674 <primary sortas="b-sfdisk">sfdisk</primary>
675 </indexterm>
676 </listitem>
677 </varlistentry>
678
679 <varlistentry id="swapoff">
680 <term><command>swapoff</command></term>
681 <listitem>
682 <para>Disables devices and files for paging and swapping</para>
683 <indexterm zone="ch-system-util-linux-ng swapoff">
684 <primary sortas="b-swapoff">swapoff</primary>
685 </indexterm>
686 </listitem>
687 </varlistentry>
688
689 <varlistentry id="swapon">
690 <term><command>swapon</command></term>
691 <listitem>
692 <para>Enables devices and files for paging and swapping and
693 lists the devices and files currently in use</para>
694 <indexterm zone="ch-system-util-linux-ng swapon">
695 <primary sortas="b-swapon">swapon</primary>
696 </indexterm>
697 </listitem>
698 </varlistentry>
699
700 <varlistentry id="tailf">
701 <term><command>tailf</command></term>
702 <listitem>
703 <para>Tracks the growth of a log file. Displays the last 10 lines
704 of a log file, then continues displaying any new entries in the
705 log file as they are created</para>
706 <indexterm zone="ch-system-util-linux-ng tailf">
707 <primary sortas="b-tailf">tailf</primary>
708 </indexterm>
709 </listitem>
710 </varlistentry>
711
712 <varlistentry id="taskset">
713 <term><command>taskset</command></term>
714 <listitem>
715 <para>Retrieves or sets a process's CPU affinity</para>
716 <indexterm zone="ch-system-util-linux-ng taskset">
717 <primary sortas="b-taskset">taskset</primary>
718 </indexterm>
719 </listitem>
720 </varlistentry>
721
722 <varlistentry id="tunelp">
723 <term><command>tunelp</command></term>
724 <listitem>
725 <para>Tunes the parameters of the line printer</para>
726 <indexterm zone="ch-system-util-linux-ng tunelp">
727 <primary sortas="b-tunelp">tunelp</primary>
728 </indexterm>
729 </listitem>
730 </varlistentry>
731
732 <varlistentry id="ul">
733 <term><command>ul</command></term>
734 <listitem>
735 <para>A filter for translating underscores into escape sequences
736 indicating underlining for the terminal in use</para>
737 <indexterm zone="ch-system-util-linux-ng ul">
738 <primary sortas="b-ul">ul</primary>
739 </indexterm>
740 </listitem>
741 </varlistentry>
742
743 <varlistentry id="umount">
744 <term><command>umount</command></term>
745 <listitem>
746 <para>Disconnects a file system from the system's file tree</para>
747 <indexterm zone="ch-system-util-linux-ng umount">
748 <primary sortas="b-umount">umount</primary>
749 </indexterm>
750 </listitem>
751 </varlistentry>
752
753 <varlistentry id="whereis">
754 <term><command>whereis</command></term>
755 <listitem>
756 <para>Reports the location of the binary, source, and man page
757 for the given command</para>
758 <indexterm zone="ch-system-util-linux-ng whereis">
759 <primary sortas="b-whereis">whereis</primary>
760 </indexterm>
761 </listitem>
762 </varlistentry>
763
764 <varlistentry id="write">
765 <term><command>write</command></term>
766 <listitem>
767 <para>Sends a message to the given user <emphasis>if</emphasis> that
768 user has not disabled receipt of such messages</para>
769 <indexterm zone="ch-system-util-linux-ng write">
770 <primary sortas="b-write">write</primary>
771 </indexterm>
772 </listitem>
773 </varlistentry>
774
775 </variablelist>
776
777 </sect2>
778
779</sect1>
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