source: x/installing/xfree86.xml@ 0f82fcc

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Last change on this file since 0f82fcc was 0f82fcc, checked in by Andrew Benton <andy@…>, 18 years ago

Trimmed the xfree86 host.def and put the stuff that was removed on the wiki
so that people can discuss options they like.

git-svn-id: svn://svn.linuxfromscratch.org/BLFS/trunk/BOOK@6070 af4574ff-66df-0310-9fd7-8a98e5e911e0
  • Property mode set to 100644
File size: 24.3 KB
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1<?xml version="1.0" encoding="ISO-8859-1"?>
2<!DOCTYPE sect1 PUBLIC "-//OASIS//DTD DocBook XML V4.4//EN"
3 "http://www.oasis-open.org/docbook/xml/4.4/docbookx.dtd" [
4 <!ENTITY % general-entities SYSTEM "../../general.ent">
5 %general-entities;
6
7 <!ENTITY xfree86-download-http "http://gnu.kookel.org/ftp/XFree86/&xfree86-version;/source/">
8 <!ENTITY xfree86-download-ftp "ftp://ftp.xfree86.org/pub/XFree86/&xfree86-version;/source/">
9 <!ENTITY xfree86-md5sum "ftp://ftp.xfree86.org/pub/XFree86/&xfree86-version;/source/SUMS.md5sum">
10 <!ENTITY xfree86-size "51 MB">
11 <!ENTITY xfree86-buildsize "740 MB">
12 <!ENTITY xfree86-time "12 SBU">
13]>
14
15<sect1 id="xfree86" xreflabel="XFree86-&xfree86-version;">
16 <?dbhtml filename="xfree86.html" ?>
17
18 <sect1info>
19 <othername>$LastChangedBy$</othername>
20 <date>$Date$</date>
21 <keywordset>
22 <keyword role="package">XFree86-&xfree86-version;-src-1.tar</keyword>
23 <keyword role="ftpdir">XFree86</keyword>
24 </keywordset>
25 </sect1info>
26
27 <title>XFree86-&xfree86-version;</title>
28
29 <indexterm zone="xfree86">
30 <primary sortas="a-xfree86">XFree86</primary>
31 </indexterm>
32
33 <sect2 role="package">
34 <title>Introduction to XFree86</title>
35
36 <para><application>XFree86</application> is a freely redistributable
37 open-source implementation of the <application>X Window
38 System</application>. <application>XFree86</application> provides a
39 client/server interface between display hardware (the mouse, keyboard,
40 and video displays) and the desktop environment, while also providing
41 both the windowing infrastructure and a standardized application
42 interface (API).</para>
43
44 <bridgehead renderas="sect3">Package Information</bridgehead>
45 <itemizedlist spacing="compact">
46 <listitem>
47 <para>Download (HTTP): <ulink url="&xfree86-download-http;"/></para>
48 </listitem>
49 <listitem>
50 <para>Download (FTP): <ulink url="&xfree86-download-ftp;"/></para>
51 </listitem>
52 <listitem>
53 <para>Download MD5 sum: &xfree86-md5sum;</para>
54 </listitem>
55 <listitem>
56 <para>Download size: &xfree86-size;</para>
57 </listitem>
58 <listitem>
59 <para>Estimated disk space required: &xfree86-buildsize;</para>
60 </listitem>
61 <listitem>
62 <para>Estimated build time: &xfree86-time;</para>
63 </listitem>
64 </itemizedlist>
65
66 <bridgehead renderas="sect3">XFree86 Dependencies</bridgehead>
67
68 <bridgehead renderas="sect4">Required</bridgehead>
69 <para role="required"><xref linkend="libpng"/></para>
70
71 <bridgehead renderas="sect4">Optional</bridgehead>
72 <para role="optional"><xref linkend="linux-pam"/>; the
73 following packages are included in the <application>XFree86</application>
74 package, however they are updated more often than the
75 <application>XFree86</application> package and are highly recommended:
76 <xref linkend="expat"/>, <xref linkend="freetype2"/>,
77 <xref linkend="fontconfig"/>.</para>
78
79 <note>
80 <para>If you choose not to install <application>expat</application>,
81 <application>FreeType2</application>, and
82 <application>Fontconfig</application>, the
83 <filename>host.def</filename> file below will have to be modified to
84 instruct <application>XFree86</application> to build them.</para>
85 </note>
86
87 <para condition="html" role="usernotes">User Notes:
88 <ulink url='&blfs-wiki;/XFree86-&xfree86-version;'/></para>
89
90 <bridgehead renderas="sect3">Download Instructions</bridgehead>
91
92 <para>There are several files that need to be fetched from the download
93 location:</para>
94
95 <itemizedlist spacing='compact'>
96 <listitem>
97 <para><filename>XFree86-&xfree86-version;-src-1.tgz</filename></para>
98 </listitem>
99 <listitem>
100 <para><filename>XFree86-&xfree86-version;-src-2.tgz</filename></para>
101 </listitem>
102 <listitem>
103 <para><filename>XFree86-&xfree86-version;-src-3.tgz</filename></para>
104 </listitem>
105 <listitem>
106 <para><filename>XFree86-&xfree86-version;-src-4.tgz</filename></para>
107 </listitem>
108 <listitem>
109 <para><filename>XFree86-&xfree86-version;-src-5.tgz</filename></para>
110 </listitem>
111 <listitem>
112 <para><filename>XFree86-&xfree86-version;-src-6.tgz</filename></para>
113 </listitem>
114 <listitem>
115 <para><filename>XFree86-&xfree86-version;-src-7.tgz</filename></para>
116 </listitem>
117 </itemizedlist>
118
119 <para>The first three packages are the <application>XFree86</application>
120 programs, the fourth and fifth are fonts, the sixth is normal documentation,
121 and the seventh is hardcopy documentation.</para>
122
123 <para>To check your downloads for integrity, download the
124 <filename>SUMS.md5sum</filename> file. Then:</para>
125
126<screen><userinput>md5sum -c SUMS.md5sum</userinput></screen>
127
128 <para>The only errors you should see are for <filename>README</filename>,
129 <filename>doctools-1.3.x.tgz</filename>, <filename>utils-1.1.x.tgz</filename>
130 and <filename>XFree86-xtest-4.0.x.tar.bz2</filename> files if you did not
131 download them.</para>
132
133 </sect2>
134
135 <sect2 role="kernel" id='xfree86-kernel'>
136 <title>Kernel Configuration</title>
137
138 <para>If you have an Intel P6 (Pentium Pro, Pentium II and later), it is
139 recommended that you compile MTRR (Memory Type Range Registers) support
140 into the kernel. The kernel can map Cyrix and AMD CPUs to the MTRR
141 interface, so selecting this option is useful for those processors also.
142 This option is found in the "Processor type and features" menu. It can
143 increase performance of image write operations 2.5 times or more on PCI
144 or AGP video cards.</para>
145
146 <indexterm zone="xfree86 xfree86-kernel">
147 <primary sortas="d-xfree86">XFree86</primary>
148 </indexterm>
149
150 <para>In the "Character Devices" section, enable AGP Support and select
151 the chipset support on your motherboard. If you do not know the chipset,
152 you may select all the chip types at the expense of extra kernel size.
153 You can usually determine your motherboard's chipset by running the
154 command <command>lspci</command>, a program from the
155 <xref linkend="pciutils"/> package.</para>
156
157 <para>In the "Character Devices" section, <emphasis>disable</emphasis>
158 Direct Rendering Manager unless you have a Direct Rendering Infrastructure
159 (DRI) supported video card. A complete list of DRI supported video cards
160 can be found at <ulink url="http://dri.sourceforge.net" /> in the Status
161 section. Currently, supported cards include those from 3dfx (Voodoo,
162 Banshee), 3Dlabs, ATI (Rage Pro, Rage 128, Radeon 7X00, Radeon 2), Intel
163 (i810, i815), and Matrox (G200, G400, G450).</para>
164
165 <para>Additionally NVidia provides their own closed source binary drivers,
166 which do not make use of DRI. If you intend to use these drivers, do not
167 enable DRI.</para>
168
169 <para>If you made any changes to the kernel configuration, recompile and
170 install the new kernel.</para>
171
172 </sect2>
173
174 <sect2 role="installation">
175 <title>Installation of XFree86</title>
176
177 <sect3>
178 <title>Glibc build fix</title>
179
180<!-- To be removed if/when proposed glibc patch is added to LFS SVN
181 Leave in in for a couple of weeks with 'you may need' and a testcase
182 around it to save the support list silly questions. Should remove in
183 a couple of weeks -->
184 <para>Xfree86 may have a problem with <filename>sys/kd.h</filename>
185 installed with some recent versions of <application>Glibc</application>.
186 This has recently been fixed in LFS SVN. Execute the
187 following commands to work around a broken <filename>kd.h</filename>
188 file. The <command>grep</command> command is to ensure the modification
189 is only made if it is needed. Run these commands from within the
190 <filename class="directory">xc</filename> folder:</para>
191
192<screen><userinput>grep "__undef_LINUX" \
193 /usr/include/sys/kd.h 2&gt;&amp;1 &gt; /dev/null || \
194 sed -i.bak '/X.h/i #include &lt;linux/types.h&gt;' \
195 programs/Xserver/hw/xfree86/os-support/linux/lnx_agp.c</userinput></screen>
196<!-- End remove -->
197
198 </sect3>
199 <sect3>
200
201 <title>Setting Up a Shadow Directory</title>
202
203 <para>When building <application>XFree86</application>, you should create
204 a shadow directory of symbolic links for the compiled code. To do that,
205 first make <command>lndir</command>. Starting from the
206 <filename class='directory'>xc</filename> directory:</para>
207
208<screen><userinput>make -C config/util -f Makefile.ini lndir</userinput></screen>
209
210 <para>Now create the shadow tree:</para>
211
212<screen><userinput>mkdir ../xcbuild &amp;&amp;
213cd ../xcbuild &amp;&amp;
214../xc/config/util/lndir ../xc</userinput></screen>
215
216 </sect3>
217
218 <sect3>
219 <title>Creating 'host.def'</title>
220
221 <para>Although <application>XFree86</application> will compile without
222 a <filename>host.def</filename> file, the following file is recommended
223 for customizing the installation. Start from the
224 <filename class="directory">xcbuild</filename> directory.</para>
225
226 <note>
227 <para>The <filename>host.def</filename> file is a
228 <application>C</application> file, not the usual configuration file.
229 If you make any changes, be sure the comment characters (/* and */)
230 are balanced. Most of the entries in the file below are commented
231 out with the default settings shown.</para>
232 </note>
233
234<screen><userinput>cat &gt; config/cf/host.def &lt;&lt; "EOF"
235<literal>/* Begin XFree86 host.def file */
236
237/* This setting reduces compile time a little by omitting rarely used
238 * input devices. You can find the complete list in
239 * config/cf/xfree86.cf *********************************************/
240
241#define XInputDrivers mouse void
242
243/* VIDEO DRIVERS ****************************************************
244 * If you are sure you only want the drivers for one or a few video
245 * cards, you can delete the drivers you do not want. ***************/
246
247#define XF86CardDrivers mga glint nv tga s3 s3virge sis rendition \
248 neomagic i740 tdfx savage \
249 cirrus vmware tseng trident chips apm \
250 GlideDriver fbdev i128 nsc \
251 ati i810 DevelDrivers ark \
252 cyrix siliconmotion \
253 vesa vga \
254 dummy XF86OSCardDrivers XF86ExtraCardDrivers
255
256/* These settings ensure we use our libraries ************************/
257#define HasFreetype2 YES
258#define HasFontconfig YES
259#define HasExpat YES
260#define HasLibpng YES
261#define HasZlib YES
262
263/* GENERAL SETTINGS */
264
265#define SystemManDirectory /usr/share/man
266#define DocDir /usr/share/doc/xfree86-4.6.0
267
268/* Installation prefix. The default is to install into /usr/X11R6. If you
269 * would like to install into /usr, uncomment these options. */
270
271/* #define ProjectRoot /usr */
272/* #define LinkGLToUsrLib NO */
273/* #define LinkGLToUsrInclude NO */
274
275/* End XFree86 host.def file */</literal>
276EOF</userinput></screen>
277
278 <para>Edit the file for your hardware and desires. You can find more
279 options by reading the other files in
280 <filename class="directory">xc/config/cf</filename></para>
281
282 </sect3>
283
284 <sect3>
285 <title>Build Commands</title>
286
287 <para>Install <application>XFree86</application> by running the
288 following commands:</para>
289
290<screen><userinput>sed -i 's:^.*asm.*$:# define PAGE_MASK (~(getpagesize() - 1)):' \
291 ../xc/programs/Xserver/hw/xfree86/fbdevhw/fbdevhw.c &amp;&amp;
292sed -i -e "s@^#include &lt;linux/config.h&gt;@/* &amp; */@" \
293 `grep -lr linux/config.h ../xc` &amp;&amp;
294( make World 2&gt;&amp;1 | tee xfree-compile.log &amp;&amp; exit $PIPESTATUS )
295</userinput></screen>
296
297 <para>This package does not come with a test suite.</para>
298
299 <para>Now, as the <systemitem class="username">root</systemitem>
300 user:</para>
301
302<screen role="root"><userinput>make install &amp;&amp;
303make install.man &amp;&amp;
304ln -v -s ../X11R6/bin /usr/bin/X11 &amp;&amp;
305ln -v -s ../X11R6/lib/X11 /usr/lib/X11 &amp;&amp;
306ln -v -s ../X11R6/include/X11 /usr/include/X11</userinput></screen>
307
308 <para>The <application>XFree86</application> fonts have been installed
309 outside of <application>Fontconfig</application>'s default search path
310 of <filename class="directory">/usr/share/fonts</filename>. In order
311 for <application>Fontconfig</application> to find the installed TrueType
312 fonts, you should make symlinks to their directories. Assuming you've
313 installed <application>XFree86</application> in the default prefix, run the
314 following commands as the <systemitem class="username">root</systemitem>
315 user:</para>
316
317<screen role="root"><userinput>install -d -m755 /usr/share/fonts &amp;&amp;
318ln -svn /usr/X11R6/lib/X11/fonts/OTF /usr/share/fonts/X11-OTF &amp;&amp;
319ln -svn /usr/X11R6/lib/X11/fonts/TTF /usr/share/fonts/X11-TTF</userinput></screen>
320
321 <para><application>XFree86</application> installs the
322 <application>XRender</application> and
323 <application>XExtensions</application> extension libraries but does not
324 install the corresponding <application>pkg-config</application> files.
325 Create the files by issuing the following commands as the
326 <systemitem class="username">root</systemitem> user:</para>
327
328<screen role="root"><userinput>cat &gt; /usr/X11R6/lib/pkgconfig/xrender.pc &lt;&lt; "EOF"
329<literal>prefix=/usr/X11R6
330exec_prefix=${prefix}
331libdir=${exec_prefix}/lib
332includedir=${prefix}/include
333
334Name: Xrender
335Description: X Render Library
336Version: 0.8.3
337Cflags: -I${includedir} -I/usr/X11R6/include
338Libs: -L${libdir} -lXrender -L/usr/X11R6/lib -lX11</literal>
339
340EOF
341
342cat &gt; /usr/X11R6/lib/pkgconfig/xextensions.pc &lt;&lt; "EOF"
343<literal>prefix=/usr/X11R6
344exec_prefix=${prefix}
345libdir=${exec_prefix}/lib
346includedir=${prefix}/include
347
348Name: XExtensions
349Description: Sundry X extension headers
350Version: 1.0.1
351Cflags: -I${includedir}</literal>
352
353EOF</userinput></screen>
354
355 <para>You should now continue on to the <xref linkend="x-setup"/> section
356 to complete the configuration of
357 <application>XFree86</application>.</para>
358
359 </sect3>
360
361 </sect2>
362
363 <sect2 role="commands">
364 <title>Command Explanations</title>
365
366 <para><command>sed -i 's:^.*asm.* ... fbdevhw.c</command>: This sed fixes a
367 problem compiling against kernel headers since linux-2.6.8.</para>
368
369 <para><command>sed -i -e "s@^#include &lt;linux/config.h&gt;@...</command>:
370 The <application>Linux-Libc-Headers</application> package installed in
371 LFS installs a <filename>/usr/include/linux/config.h</filename> file which
372 is not compatible with userspace applications. The recommended fix for
373 applications including this file is to remove it (see <ulink
374 url="http://ep09.pld-linux.org/~mmazur/linux-libc-headers/doc/FAQ">
375 linux-libc-headers FAQ</ulink>). The <command>sed</command> uses
376 <command>grep -lr</command> to replace all occurrences. If you desire, just
377 remove (comment) the line in the appropriate video driver file if you
378 customized <filename>host.def</filename>.</para>
379
380 <para><command>( make World 2&gt;&amp;1 | tee xfree-compile.log
381 &amp;&amp; exit $PIPESTATUS )</command>:
382 This command runs multiple <filename>Makefile</filename>s to completely
383 rebuild the system. <option>2&gt;&amp;1</option>
384 redirects error messages to the same location as standard output. The
385 <command>tee</command> command allows viewing of the output while logging
386 the results to a file. The parentheses around the command runs the entire
387 command in a subshell and finally the <command>exit $PIPESTATUS</command>
388 ensures the result of the <command>make</command> is returned as the result
389 and not the result of the <command>tee</command> command.</para>
390
391 <note>
392 <para>When rebuilding <application>XFree86</application>, a separate
393 command that may be used if only minor changes are made to the sources
394 is <command>make Everything</command>. This does not automatically
395 remove generated files and only rebuilds those files or programs that
396 are out of date.</para>
397 </note>
398
399 <para><command>ln -v -sf ...</command>: These commands are present to
400 enable other (broken) packages to build against
401 <application>XFree86</application>, even though the Filesystem Hierarchy
402 Standard says: <quote>In general, software must not be installed or managed
403 via the above symbolic links. They are intended for utilization by
404 users only.</quote></para>
405
406 </sect2>
407
408 <sect2 id="xfree86-contents" role="content"
409 xreflabel="XFree86 Contents and Descriptions">
410 <title>Contents</title>
411
412 <para>The <application>XFree86</application> package contains the
413 <application>X Window System</application> for Linux (and other operating
414 systems). It includes the <application>X</application> server, fonts,
415 <command>xterm</command>, a simple window manager (<command>twm</command>),
416 various utilities, video output drivers, and various input drivers
417 including the mouse and keyboard.</para>
418
419 <para><application>XFree86</application> also contains libraries and header
420 files for development of the <application>X Window System</application>
421 programs.</para>
422
423 <note>
424 <para>The following lists are not comprehensive. The full list of
425 programs is (if you install into
426 <filename class="directory">/usr/X11R6</filename>) in
427 <filename class="directory">/usr/X11R6/bin</filename>.
428 For additional information about these programs, see the respective
429 man page.</para>
430 </note>
431
432 <segmentedlist>
433 <segtitle>Installed Programs</segtitle>
434 <segtitle>Installed Libraries</segtitle>
435 <segtitle>Installed Directories</segtitle>
436
437 <seglistitem>
438 <seg>XFree86, xf86config, xf86cfg, startx, xinit, twm, xterm,
439 xwininfo, x11perf, xlsfonts, xvidtune, xload, xcalc, xclock,
440 oclock, and xmodmap</seg>
441 <seg>libGL.so, libGLU.so, libSM.so, libXi.so, libXrender.so,
442 libXt.so, and libXfont.so</seg>
443 <seg>/usr/X11R6/ and /etc/X11/</seg>
444 </seglistitem>
445 </segmentedlist>
446
447 <variablelist>
448 <bridgehead renderas="sect3">Short Descriptions</bridgehead>
449 <?dbfo list-presentation="list"?>
450 <?dbhtml list-presentation="table"?>
451
452 <varlistentry id="XFree86">
453 <term><command>XFree86</command></term>
454 <listitem>
455 <para>is the X11R6 implementation of the <application>X Window
456 System</application> server.</para>
457 <indexterm zone="xfree86 XFree86">
458 <primary sortas="b-XFree86">XFree86</primary>
459 </indexterm>
460 </listitem>
461 </varlistentry>
462
463 <varlistentry id="xf86config">
464 <term><command>xf86config</command></term>
465 <listitem>
466 <para>is an interactive program for generating an
467 <filename>XF86Config</filename> file for use with
468 <application>XFree86</application> <application>X</application>
469 servers.</para>
470 <indexterm zone="xfree86 xf86config">
471 <primary sortas="b-xf86config">xf86config</primary>
472 </indexterm>
473 </listitem>
474 </varlistentry>
475
476 <varlistentry id="xf86cfg">
477 <term><command>xf86cfg</command></term>
478 <listitem>
479 <para>is a tool to configure <application>XFree86</application>
480 that can be used to either write the initial configuration file
481 or make customizations to the current configuration.</para>
482 <indexterm zone="xfree86 xf86cfg">
483 <primary sortas="b-xf86cfg">xf86cfg</primary>
484 </indexterm>
485 </listitem>
486 </varlistentry>
487
488 <varlistentry id="startx">
489 <term><command>startx</command></term>
490 <listitem>
491 <para>is a script to initialize the <application>X</application>
492 session. It runs <command>xinit</command>.</para>
493 <indexterm zone="xfree86 startx">
494 <primary sortas="b-startx">startx</primary>
495 </indexterm>
496 </listitem>
497 </varlistentry>
498
499 <varlistentry id="xinit">
500 <term><command>xinit</command></term>
501 <listitem>
502 <para>is used to start the <application>X Window
503 System</application> server.</para>
504 <indexterm zone="xfree86 xinit">
505 <primary sortas="b-xinit">xinit</primary>
506 </indexterm>
507 </listitem>
508 </varlistentry>
509
510 <varlistentry id="twm">
511 <term><command>twm</command></term>
512 <listitem>
513 <para>(Tab Window Manager) is a window manager included with the
514 <application>X Window System</application>.</para>
515 <indexterm zone="xfree86 twm">
516 <primary sortas="b-twm">twm</primary>
517 </indexterm>
518 </listitem>
519 </varlistentry>
520
521 <varlistentry id="xterm">
522 <term><command>xterm</command></term>
523 <listitem>
524 <para>is a terminal emulator for <application>X</application>.</para>
525 <indexterm zone="xfree86 xterm">
526 <primary sortas="b-xterm">xterm</primary>
527 </indexterm>
528 </listitem>
529 </varlistentry>
530
531 <varlistentry id="xwininfo">
532 <term><command>xwininfo</command></term>
533 <listitem>
534 <para>is a window information utility for
535 <application>X</application>.</para>
536 <indexterm zone="xfree86 xwininfo">
537 <primary sortas="b-xwininfo">xwininfo</primary>
538 </indexterm>
539 </listitem>
540 </varlistentry>
541
542 <varlistentry id="x11perf">
543 <term><command>x11perf</command></term>
544 <listitem>
545 <para>is an <application>X</application>11 server performance
546 test program.</para>
547 <indexterm zone="xfree86 x11perf">
548 <primary sortas="b-x11perf">x11perf</primary>
549 </indexterm>
550 </listitem>
551 </varlistentry>
552
553 <varlistentry id="xlsfonts">
554 <term><command>xlsfonts</command></term>
555 <listitem>
556 <para>is a program to list fonts available to the
557 <application>X</application> server.</para>
558 <indexterm zone="xfree86 xlsfonts">
559 <primary sortas="b-xlsfonts">xlsfonts</primary>
560 </indexterm>
561 </listitem>
562 </varlistentry>
563
564 <varlistentry id="xvidtune">
565 <term><command>xvidtune</command></term>
566 <listitem>
567 <para>is a video mode tuner for
568 <application>XFree86</application>.</para>
569 <indexterm zone="xfree86 xvidtune">
570 <primary sortas="b-xvidtune">xvidtune</primary>
571 </indexterm>
572 </listitem>
573 </varlistentry>
574
575 <varlistentry id="xload">
576 <term><command>xload</command></term>
577 <listitem>
578 <para> is a system load average display for
579 <application>X</application>.</para>
580 <indexterm zone="xfree86 xload">
581 <primary sortas="b-xload">xload</primary>
582 </indexterm>
583 </listitem>
584 </varlistentry>
585
586 <varlistentry id="xcalc">
587 <term><command>xcalc</command></term>
588 <listitem>
589 <para>is a scientific calculator for
590 <application>X</application>.</para>
591 <indexterm zone="xfree86 xcalc">
592 <primary sortas="b-xcalc">xcalc</primary>
593 </indexterm>
594 </listitem>
595 </varlistentry>
596
597 <varlistentry id="xclock">
598 <term><command>xclock</command></term>
599 <listitem>
600 <para>is a clock programs for <application>X</application>.</para>
601 <indexterm zone="xfree86 xclock">
602 <primary sortas="b-xclock">xclock</primary>
603 </indexterm>
604 </listitem>
605 </varlistentry>
606
607 <varlistentry id="oclock">
608 <term><command>oclock</command></term>
609 <listitem>
610 <para>is a clock programs for <application>X</application>.</para>
611 <indexterm zone="xfree86 oclock">
612 <primary sortas="b-oclock">oclock</primary>
613 </indexterm>
614 </listitem>
615 </varlistentry>
616
617 <varlistentry id="xmodmap">
618 <term><command>xmodmap</command></term>
619 <listitem>
620 <para>is a utility for modifying keymaps and pointer button
621 mappings in <application>X</application>.</para>
622 <indexterm zone="xfree86 xmodmap">
623 <primary sortas="b-xmodmap">xmodmap</primary>
624 </indexterm>
625 </listitem>
626 </varlistentry>
627
628 </variablelist>
629
630 </sect2>
631
632</sect1>
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