source: final-system/common/bzip2.xml@ cc07a72

Last change on this file since cc07a72 was e6423a01, checked in by Jim Gifford <clfs@…>, 19 years ago

r781@server (orig r779): jim | 2005-11-30 22:14:06 -0800

r836@server: jim | 2005-11-30 22:13:02 -0800
Text updates to final-system


  • Property mode set to 100644
File size: 8.0 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
8<sect1 id="ch-system-bzip2" role="wrap">
9 <?dbhtml filename="bzip2.html"?>
10
11 <title>Bzip2-&bzip2-version;</title>
12
13 <indexterm zone="ch-system-bzip2">
14 <primary sortas="a-Bzip2">Bzip2</primary>
15 </indexterm>
16
17 <sect2 role="package">
18 <title/>
19
20 <para>The Bzip2 package contains programs for compressing and
21 decompressing files. Compressing text files with <command>bzip2</command>
22 yields a much better compression percentage than with the traditional
23 <command>gzip</command>.</para>
24
25 <segmentedlist>
26 <segtitle>&dependencies;</segtitle>
27
28 <seglistitem>
29 <seg>Bash, Binutils, Coreutils, Diffutils, GCC, Glibc, and Make</seg>
30 </seglistitem>
31 </segmentedlist>
32
33 </sect2>
34
35 <sect2 role="installation">
36 <title>Installation of Bzip2</title>
37
38 <para os="p1">Apply a patch to install the documentation for this
39 package:</para>
40
41<screen os="p2"><userinput>patch -Np1 -i ../&bzip2-docs-patch;</userinput></screen>
42
43 <para os="p3">The <command>bzgrep</command> command does not escape '|' and
44 '&amp;' in filenames passed to it. This allows arbitrary commands to be
45 executed with the privileges of the user running <command>bzgrep</command>.
46 Apply the following patch to address this:</para>
47
48<screen os="p4"><userinput>patch -Np1 -i ../&bzip2-bzgrep-patch;</userinput></screen>
49
50 <para os="a">The Bzip2 package does not contain a <command>configure</command>
51 script. Compile it with:</para>
52
53<screen os="b"><userinput>make -f Makefile-libbz2_so
54make clean</userinput></screen>
55
56 <para os="c">The <parameter>-f</parameter> flag will cause Bzip2 to be built
57 using a different <filename>Makefile</filename> file, in this case the
58 <filename>Makefile-libbz2_so</filename> file, which creates a dynamic
59 <filename class="libraryfile">libbz2.so</filename> library and links the
60 Bzip2 utilities against it.</para>
61
62 <para os="d">Compile and test the package:</para>
63
64<screen os="e"><userinput>make</userinput></screen>
65
66 <para os="f">If reinstalling Bzip2, perform
67 <userinput>rm -f /usr/bin/bz*</userinput> first, otherwise the
68 following <command>make install</command> will fail.</para>
69
70 <para os="g">Install the programs:</para>
71
72<screen os="h"><userinput>make install</userinput></screen>
73
74 <para os="i">Install the shared <command>bzip2</command> binary into the
75 <filename class="directory">/bin</filename> directory, make
76 some necessary symbolic links, and clean up:</para>
77
78<screen os="j"><userinput>cp bzip2-shared /bin/bzip2
79cp -a libbz2.so* /lib
80ln -s ../../lib/libbz2.so.1.0 /usr/lib/libbz2.so
81rm /usr/bin/{bunzip2,bzcat,bzip2}
82ln -s bzip2 /bin/bunzip2
83ln -s bzip2 /bin/bzcat</userinput></screen>
84
85 </sect2>
86
87 <sect2 id="contents-bzip2" role="content">
88 <title>Contents of Bzip2</title>
89
90 <segmentedlist>
91 <segtitle>Installed programs</segtitle>
92 <segtitle>Installed libraries</segtitle>
93
94 <seglistitem>
95 <seg>bunzip2 (link to bzip2), bzcat (link to bzip2), bzcmp, bzdiff,
96 bzegrep, bzfgrep, bzgrep, bzip2, bzip2recover, bzless, and bzmore</seg>
97 <seg>libbz2.a, libbz2.so (link to libbz2.so.1.0), libbz2.so.1.0 (link to
98 libbz2.so.&bzip2-version;), and libbz2.so.&bzip2-version;</seg>
99 </seglistitem>
100 </segmentedlist>
101
102 <variablelist>
103 <bridgehead renderas="sect3">Short Descriptions</bridgehead>
104 <?dbfo list-presentation="list"?>
105 <?dbhtml list-presentation="table"?>
106
107 <varlistentry id="bunzip2">
108 <term><command>bunzip2</command></term>
109 <listitem>
110 <para>Decompresses bzipped files</para>
111 <indexterm zone="ch-system-bzip2 bunzip2">
112 <primary sortas="b-bunzip2">bunzip2</primary>
113 </indexterm>
114 </listitem>
115 </varlistentry>
116
117 <varlistentry id="bzcat">
118 <term><command>bzcat</command></term>
119 <listitem>
120 <para>Decompresses to standard output</para>
121 <indexterm zone="ch-system-bzip2 bzcat">
122 <primary sortas="b-bzcat">bzcat</primary>
123 </indexterm>
124 </listitem>
125 </varlistentry>
126
127 <varlistentry id="bzcmp">
128 <term><command>bzcmp</command></term>
129 <listitem>
130 <para>Runs <command>cmp</command> on bzipped files</para>
131 <indexterm zone="ch-system-bzip2 bzcmp">
132 <primary sortas="b-bzcmp">bzcmp</primary>
133 </indexterm>
134 </listitem>
135 </varlistentry>
136
137 <varlistentry id="bzdiff">
138 <term><command>bzdiff</command></term>
139 <listitem>
140 <para>Runs <command>diff</command> on bzipped files</para>
141 <indexterm zone="ch-system-bzip2 bzdiff">
142 <primary sortas="b-bzdiff">bzdiff</primary>
143 </indexterm>
144 </listitem>
145 </varlistentry>
146
147 <varlistentry id="bzgrep">
148 <term><command>bzgrep</command></term>
149 <listitem>
150 <para>Runs <command>grep</command> on bzipped files</para>
151 <indexterm zone="ch-system-bzip2 bzgrep">
152 <primary sortas="b-bzgrep">bzgrep</primary>
153 </indexterm>
154 </listitem>
155 </varlistentry>
156
157 <varlistentry id="bzegrep">
158 <term><command>bzegrep</command></term>
159 <listitem>
160 <para>Runs <command>egrep</command> on bzipped files</para>
161 <indexterm zone="ch-system-bzip2 bzegrep">
162 <primary sortas="b-bzegrep">bzegrep</primary>
163 </indexterm>
164 </listitem>
165 </varlistentry>
166
167 <varlistentry id="bzfgrep">
168 <term><command>bzfgrep</command></term>
169 <listitem>
170 <para>Runs <command>fgrep</command> on bzipped files</para>
171 <indexterm zone="ch-system-bzip2 bzfgrep">
172 <primary sortas="b-bzfgrep">bzfgrep</primary>
173 </indexterm>
174 </listitem>
175 </varlistentry>
176
177 <varlistentry id="bzip2">
178 <term><command>bzip2</command></term>
179 <listitem>
180 <para>Compresses files using the Burrows-Wheeler block sorting text
181 compression algorithm with Huffman coding; the compression rate is
182 better than that achieved by more conventional compressors using
183 <quote>Lempel-Ziv</quote> algorithms, like <command>gzip</command></para>
184 <indexterm zone="ch-system-bzip2 bzip2">
185 <primary sortas="b-bzip2">bzip2</primary>
186 </indexterm>
187 </listitem>
188 </varlistentry>
189
190 <varlistentry id="bzip2recover">
191 <term><command>bzip2recover</command></term>
192 <listitem>
193 <para>Tries to recover data from damaged bzipped files</para>
194 <indexterm zone="ch-system-bzip2 bzip2recover">
195 <primary sortas="b-bzip2recover">bzip2recover</primary>
196 </indexterm>
197 </listitem>
198 </varlistentry>
199
200 <varlistentry id="bzless">
201 <term><command>bzless</command></term>
202 <listitem>
203 <para>Runs <command>less</command> on bzipped files</para>
204 <indexterm zone="ch-system-bzip2 bzless">
205 <primary sortas="b-bzless">bzless</primary>
206 </indexterm>
207 </listitem>
208 </varlistentry>
209
210 <varlistentry id="bzmore">
211 <term><command>bzmore</command></term>
212 <listitem>
213 <para>Runs <command>more</command> on bzipped files</para>
214 <indexterm zone="ch-system-bzip2 bzmore">
215 <primary sortas="b-bzmore">bzmore</primary>
216 </indexterm>
217 </listitem>
218 </varlistentry>
219
220 <varlistentry id="libbz2">
221 <term><filename class="libraryfile">libbz2*</filename></term>
222 <listitem>
223 <para>The library implementing lossless, block-sorting data
224 compression, using the Burrows-Wheeler algorithm</para>
225 <indexterm zone="ch-system-bzip2 libbz2">
226 <primary sortas="c-libbz2*">libbz2*</primary>
227 </indexterm>
228 </listitem>
229 </varlistentry>
230
231 </variablelist>
232
233 </sect2>
234
235</sect1>
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