source: BOOK/final-system/common/gzip.xml@ 4261659

clfs-1.2 clfs-2.1 clfs-3.0.0-systemd clfs-3.0.0-sysvinit systemd sysvinit
Last change on this file since 4261659 was 58598c1, checked in by Chris Staub <chris@…>, 15 years ago

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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-gzip" role="wrap">
9 <?dbhtml filename="gzip.html"?>
10
11 <title>Gzip-&gzip-version;</title>
12
13 <indexterm zone="ch-system-gzip">
14 <primary sortas="a-Gzip">Gzip</primary>
15 </indexterm>
16
17 <sect2 role="package">
18 <title/>
19
20 <para>The Gzip package contains programs for compressing and decompressing
21 files.</para>
22
23 </sect2>
24
25 <sect2 role="installation">
26 <title>Installation of Gzip</title>
27
28 <para os="s1">The following command renames the internal implementation of
29 futimens to gl_futimens as newer versions of EGLIBC provide an incompatible
30 version:</para>
31
32<screen os="s2"><userinput>sed -i "s/futimens/gl_&amp;/" $(grep -lr futimens *)</userinput></screen>
33
34 <para os="a">Prepare Gzip for compilation:</para>
35
36<screen os="b"><userinput>./configure --prefix=/usr --bindir=/bin</userinput></screen>
37
38 <para os="c">Compile the package:</para>
39
40<screen os="d"><userinput>make</userinput></screen>
41
42 <para os="e">To test the results, issue: <command>make check</command>.</para>
43
44 <para os="f">Install the package:</para>
45
46<screen os="g"><userinput>make install</userinput></screen>
47
48 <para os="h">Now we will move some of the utilities to
49 <filename class="directory">/usr/bin</filename> to meet FHS compliance:</para>
50
51<screen os="i"><userinput>mv -v /bin/z{egrep,cmp,diff,fgrep,force,grep,less,more,new} /usr/bin</userinput></screen>
52
53 </sect2>
54
55 <sect2 id="contents-gzip" role="content">
56 <title>Contents of Gzip</title>
57
58 <segmentedlist>
59 <segtitle>Installed programs</segtitle>
60
61 <seglistitem>
62 <seg>gunzip, gzexe, gzip, uncompress, zcat, zcmp, zdiff,
63 zegrep, zfgrep, zforce, zgrep, zless, zmore, and znew</seg>
64 </seglistitem>
65 </segmentedlist>
66
67 <variablelist>
68 <bridgehead renderas="sect3">Short Descriptions</bridgehead>
69 <?dbfo list-presentation="list"?>
70 <?dbhtml list-presentation="table"?>
71
72 <varlistentry id="gunzip">
73 <term><command>gunzip</command></term>
74 <listitem>
75 <para>Decompresses gzipped files</para>
76 <indexterm zone="ch-system-gzip gunzip">
77 <primary sortas="b-gunzip">gunzip</primary>
78 </indexterm>
79 </listitem>
80 </varlistentry>
81
82 <varlistentry id="gzexe">
83 <term><command>gzexe</command></term>
84 <listitem>
85 <para>Creates self-decompressing executable files</para>
86 <indexterm zone="ch-system-gzip gzexe">
87 <primary sortas="b-gzexe">gzexe</primary>
88 </indexterm>
89 </listitem>
90 </varlistentry>
91
92 <varlistentry id="gzip">
93 <term><command>gzip</command></term>
94 <listitem>
95 <para>Compresses the given files using Lempel-Ziv (LZ77) coding</para>
96 <indexterm zone="ch-system-gzip gzip">
97 <primary sortas="b-gzip">gzip</primary>
98 </indexterm>
99 </listitem>
100 </varlistentry>
101
102 <varlistentry id="uncompress">
103 <term><command>uncompress</command></term>
104 <listitem>
105 <para>Decompresses compressed files</para>
106 <indexterm zone="ch-system-gzip uncompress">
107 <primary sortas="b-uncompress">uncompress</primary>
108 </indexterm>
109 </listitem>
110 </varlistentry>
111
112 <varlistentry id="zcat">
113 <term><command>zcat</command></term>
114 <listitem>
115 <para>Decompresses the given gzipped files to standard output</para>
116 <indexterm zone="ch-system-gzip zcat">
117 <primary sortas="b-zcat">zcat</primary>
118 </indexterm>
119 </listitem>
120 </varlistentry>
121
122 <varlistentry id="zcmp">
123 <term><command>zcmp</command></term>
124 <listitem>
125 <para>Runs <command>cmp</command> on gzipped files</para>
126 <indexterm zone="ch-system-gzip zcmp">
127 <primary sortas="b-zcmp">zcmp</primary>
128 </indexterm>
129 </listitem>
130 </varlistentry>
131
132 <varlistentry id="zdiff">
133 <term><command>zdiff</command></term>
134 <listitem>
135 <para>Runs <command>diff</command> on gzipped files</para>
136 <indexterm zone="ch-system-gzip zdiff">
137 <primary sortas="b-zdiff">zdiff</primary>
138 </indexterm>
139 </listitem>
140 </varlistentry>
141
142 <varlistentry id="zegrep">
143 <term><command>zegrep</command></term>
144 <listitem>
145 <para>Runs <command>egrep</command> on gzipped files</para>
146 <indexterm zone="ch-system-gzip zegrep">
147 <primary sortas="b-zegrep">zegrep</primary>
148 </indexterm>
149 </listitem>
150 </varlistentry>
151
152 <varlistentry id="zfgrep">
153 <term><command>zfgrep</command></term>
154 <listitem>
155 <para>Runs <command>fgrep</command> on gzipped files</para>
156 <indexterm zone="ch-system-gzip zfgrep">
157 <primary sortas="b-zfgrep">zfgrep</primary>
158 </indexterm>
159 </listitem>
160 </varlistentry>
161
162 <varlistentry id="zforce">
163 <term><command>zforce</command></term>
164 <listitem>
165 <para>Forces a <filename class="extension">.gz</filename> extension on
166 all given files that are gzipped files, so that <command>gzip</command>
167 will not compress them again; this can be useful when file names were
168 truncated during a file transfer</para>
169 <indexterm zone="ch-system-gzip zforce">
170 <primary sortas="b-zforce">zforce</primary>
171 </indexterm>
172 </listitem>
173 </varlistentry>
174
175 <varlistentry id="zgrep">
176 <term><command>zgrep</command></term>
177 <listitem>
178 <para>Runs <command>grep</command> on gzipped files</para>
179 <indexterm zone="ch-system-gzip zgrep">
180 <primary sortas="b-zgrep">zgrep</primary>
181 </indexterm>
182 </listitem>
183 </varlistentry>
184
185 <varlistentry id="zless">
186 <term><command>zless</command></term>
187 <listitem>
188 <para>Runs <command>less</command> on gzipped files</para>
189 <indexterm zone="ch-system-gzip zless">
190 <primary sortas="b-zless">zless</primary>
191 </indexterm>
192 </listitem>
193 </varlistentry>
194
195 <varlistentry id="zmore">
196 <term><command>zmore</command></term>
197 <listitem>
198 <para>Runs <command>more</command> on gzipped files</para>
199 <indexterm zone="ch-system-gzip zmore">
200 <primary sortas="b-zmore">zmore</primary>
201 </indexterm>
202 </listitem>
203 </varlistentry>
204
205 <varlistentry id="znew">
206 <term><command>znew</command></term>
207 <listitem>
208 <para>Re-compresses files from <command>compress</command> format to
209 <command>gzip</command> format&mdash;<filename
210 class="extension">.Z</filename> to <filename
211 class="extension">.gz</filename></para>
212 <indexterm zone="ch-system-gzip znew">
213 <primary sortas="b-znew">znew</primary>
214 </indexterm>
215 </listitem>
216 </varlistentry>
217
218 </variablelist>
219
220 </sect2>
221
222</sect1>
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