[673b0d8] | 1 | <?xml version="1.0" encoding="ISO-8859-1"?>
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| 2 | <!DOCTYPE sect1 PUBLIC "-//OASIS//DTD DocBook XML V4.3//EN" "http://www.oasis-open.org/docbook/xml/4.3/docbookx.dtd" [
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| 3 | <!ENTITY % general-entities SYSTEM "../general.ent">
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| 4 | %general-entities;
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| 5 | ]>
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[752f4e5] | 6 | <sect1 id="ch-system-bzip2" role="wrap">
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[673b0d8] | 7 | <title>Bzip2-&bzip2-version;</title>
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| 8 | <?dbhtml filename="bzip2.html"?>
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| 9 |
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| 10 | <indexterm zone="ch-system-bzip2"><primary sortas="a-Bzip2">Bzip2</primary></indexterm>
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[6370fa6] | 11 |
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[a001133] | 12 | <sect2 role="package"><title/>
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[5888299] | 13 | <para>The Bzip2 package contains programs for compressing and decompressing
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[69993f4] | 14 | files. Text files yield a much better compression than with the
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[90e3cb3] | 15 | traditional <command>gzip</command>.</para>
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[5888299] | 16 |
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[a001133] | 17 | <segmentedlist>
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| 18 | <segtitle>&buildtime;</segtitle>
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| 19 | <segtitle>&diskspace;</segtitle>
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| 20 | <seglistitem><seg>0.1 SBU</seg><seg>3.0 MB</seg></seglistitem>
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| 21 | </segmentedlist>
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[673b0d8] | 22 |
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[a001133] | 23 | <segmentedlist>
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| 24 | <segtitle>Bzip2 installation depends on</segtitle>
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| 25 | <seglistitem><seg>Bash, Binutils, Coreutils, Diffutils,
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[69993f4] | 26 | GCC, Glibc, and Make</seg></seglistitem>
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[a001133] | 27 | </segmentedlist>
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| 28 | </sect2>
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[3554fa3a] | 29 |
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[a001133] | 30 | <sect2 role="installation">
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[73aedd1d] | 31 | <title>Installation of Bzip2</title>
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| 32 |
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| 33 | <para>Prepare Bzip2 for compilation with:</para>
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| 34 |
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| 35 | <screen><userinput>make -f Makefile-libbz2_so
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| 36 | make clean</userinput></screen>
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| 37 |
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[3c928f1] | 38 | <para>The <parameter>-f</parameter> flag will cause Bzip2 to be built
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[3e944d6] | 39 | using a different <filename>Makefile</filename> file, in this case the
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[73aedd1d] | 40 | <filename>Makefile-libbz2_so</filename> file, which creates a dynamic
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[3e944d6] | 41 | <filename class="libraryfile">libbz2.so</filename> library and links the Bzip2
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| 42 | utilities against it.</para>
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[73aedd1d] | 43 |
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| 44 | <para>Compile the package:</para>
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| 45 |
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| 46 | <screen><userinput>make</userinput></screen>
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| 47 |
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[69993f4] | 48 | <para>If reinstalling Bzip2, perform
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[673b0d8] | 49 | <userinput>rm -f /usr/bin/bz*</userinput> first, otherwise the following
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[90e3cb3] | 50 | <command>make install</command> will fail.</para>
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[f2f5117] | 51 |
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| 52 | <para>Install the programs:</para>
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[73aedd1d] | 53 |
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| 54 | <screen><userinput>make install</userinput></screen>
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| 55 |
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[ef13657] | 56 | <para>Install the shared <command>bzip2</command> binary into the
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| 57 | <filename class="directory">/bin</filename> directory, make
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| 58 | some necessary symbolic links, and clean up:</para>
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[73aedd1d] | 59 |
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| 60 | <screen><userinput>cp bzip2-shared /bin/bzip2
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| 61 | cp -a libbz2.so* /lib
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| 62 | ln -s ../../lib/libbz2.so.1.0 /usr/lib/libbz2.so
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| 63 | rm /usr/bin/{bunzip2,bzcat,bzip2}
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| 64 | ln -s bzip2 /bin/bunzip2
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| 65 | ln -s bzip2 /bin/bzcat</userinput></screen>
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| 66 |
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| 67 | </sect2>
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[6370fa6] | 68 |
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[5888299] | 69 |
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[c6cb3aa] | 70 | <sect2 id="contents-bzip2" role="content"><title>Contents of Bzip2</title>
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[673b0d8] | 71 |
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[c6cb3aa] | 72 | <segmentedlist>
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| 73 | <segtitle>Installed programs</segtitle>
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| 74 | <segtitle>Installed libraries</segtitle>
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| 75 | <seglistitem><seg>bunzip2 (link to bzip2), bzcat (link to bzip2), bzcmp, bzdiff,
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[3e944d6] | 76 | bzegrep, bzfgrep, bzgrep, bzip2, bzip2recover, bzless, and bzmore</seg>
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[c6cb3aa] | 77 | <seg>libbz2.a, libbz2.so (link to libbz2.so.1.0), libbz2.so.1.0 (link to
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[69993f4] | 78 | libbz2.so.&bzip2-version;), and libbz2.so.&bzip2-version;</seg></seglistitem>
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[c6cb3aa] | 79 | </segmentedlist>
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[673b0d8] | 80 |
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[2256873] | 81 | <variablelist><bridgehead renderas="sect3">Short Descriptions</bridgehead>
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[3ed279f] | 82 | <?dbfo list-presentation="list"?>
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[673b0d8] | 83 |
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[b8a819f] | 84 | <varlistentry id="bunzip2">
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| 85 | <term><command>bunzip2</command></term>
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[c6cb3aa] | 86 | <listitem>
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[2256873] | 87 | <para>Decompresses bzipped files</para>
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[3ed279f] | 88 | <indexterm zone="ch-system-bzip2 bunzip2"><primary sortas="b-bunzip2">bunzip2</primary></indexterm>
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[c6cb3aa] | 89 | </listitem>
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| 90 | </varlistentry>
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[673b0d8] | 91 |
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[b8a819f] | 92 | <varlistentry id="bzcat">
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| 93 | <term><command>bzcat</command></term>
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[c6cb3aa] | 94 | <listitem>
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[2256873] | 95 | <para>Decompresses to standard output</para>
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[3ed279f] | 96 | <indexterm zone="ch-system-bzip2 bzcat"><primary sortas="b-bzcat">bzcat</primary></indexterm>
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[c6cb3aa] | 97 | </listitem>
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| 98 | </varlistentry>
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[673b0d8] | 99 |
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[b8a819f] | 100 | <varlistentry id="bzcmp">
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| 101 | <term><command>bzcmp</command></term>
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[c6cb3aa] | 102 | <listitem>
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[2256873] | 103 | <para>Runs <command>cmp</command> on bzipped files</para>
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[3ed279f] | 104 | <indexterm zone="ch-system-bzip2 bzcmp"><primary sortas="b-bzcmp">bzcmp</primary></indexterm>
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[c6cb3aa] | 105 | </listitem>
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| 106 | </varlistentry>
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[673b0d8] | 107 |
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[b8a819f] | 108 | <varlistentry id="bzdiff">
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| 109 | <term><command>bzdiff</command></term>
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[c6cb3aa] | 110 | <listitem>
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[2256873] | 111 | <para>Runs <command>diff</command> on bzipped files</para>
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[3ed279f] | 112 | <indexterm zone="ch-system-bzip2 bzdiff"><primary sortas="b-bzdiff">bzdiff</primary></indexterm>
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[c6cb3aa] | 113 | </listitem>
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| 114 | </varlistentry>
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[73aedd1d] | 115 |
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[b8a819f] | 116 | <varlistentry id="bzgrep">
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| 117 | <term><command>bzgrep</command></term>
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[c6cb3aa] | 118 | <listitem>
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[2256873] | 119 | <para>Runs <command>grep</command> on bzipped files</para>
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[3ed279f] | 120 | <indexterm zone="ch-system-bzip2 bzgrep"><primary sortas="b-bzgrep">bzgrep</primary></indexterm>
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[ef13657] | 121 | </listitem>
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| 122 | </varlistentry>
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| 123 |
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| 124 | <varlistentry id="bzegrep">
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| 125 | <term><command>bzegrep</command></term>
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| 126 | <listitem>
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[2256873] | 127 | <para>Runs <command>egrep</command> on bzipped files</para>
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[3ed279f] | 128 | <indexterm zone="ch-system-bzip2 bzegrep"><primary sortas="b-bzegrep">bzegrep</primary></indexterm>
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[ef13657] | 129 | </listitem>
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| 130 | </varlistentry>
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| 131 |
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| 132 | <varlistentry id="bzfgrep">
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| 133 | <term><command>bzfgrep</command></term>
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| 134 | <listitem>
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[2256873] | 135 | <para>Runs <command>fgrep</command> on bzipped files</para>
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[3ed279f] | 136 | <indexterm zone="ch-system-bzip2 bzfgrep"><primary sortas="b-bzfgrep">bzfgrep</primary></indexterm>
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[c6cb3aa] | 137 | </listitem>
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| 138 | </varlistentry>
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[673b0d8] | 139 |
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[b8a819f] | 140 | <varlistentry id="bzip2">
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| 141 | <term><command>bzip2</command></term>
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[c6cb3aa] | 142 | <listitem>
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[2256873] | 143 | <para>Compresses files using the Burrows-Wheeler block sorting text
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| 144 | compression algorithm with Huffman coding; the compression rate is
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[ef13657] | 145 | better than that achieved by more conventional compressors using
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[2256873] | 146 | <quote>Lempel-Ziv</quote> algorithms, like <command>gzip</command></para>
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[3ed279f] | 147 | <indexterm zone="ch-system-bzip2 bzip2"><primary sortas="b-bzip2">bzip2</primary></indexterm>
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[c6cb3aa] | 148 | </listitem>
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| 149 | </varlistentry>
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[673b0d8] | 150 |
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[b8a819f] | 151 | <varlistentry id="bzip2recover">
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| 152 | <term><command>bzip2recover</command></term>
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[c6cb3aa] | 153 | <listitem>
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[2256873] | 154 | <para>Tries to recover data from damaged bzipped files</para>
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[3ed279f] | 155 | <indexterm zone="ch-system-bzip2 bzip2recover"><primary sortas="b-bzip2recover">bzip2recover</primary></indexterm>
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[c6cb3aa] | 156 | </listitem>
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| 157 | </varlistentry>
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[673b0d8] | 158 |
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[b8a819f] | 159 | <varlistentry id="bzless">
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| 160 | <term><command>bzless</command></term>
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[c6cb3aa] | 161 | <listitem>
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[2256873] | 162 | <para>Runs <command>less</command> on bzipped files</para>
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[3ed279f] | 163 | <indexterm zone="ch-system-bzip2 bzless"><primary sortas="b-bzless">bzless</primary></indexterm>
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[c6cb3aa] | 164 | </listitem>
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| 165 | </varlistentry>
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[673b0d8] | 166 |
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[b8a819f] | 167 | <varlistentry id="bzmore">
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| 168 | <term><command>bzmore</command></term>
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[c6cb3aa] | 169 | <listitem>
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[2256873] | 170 | <para>Runs <command>more</command> on bzipped files</para>
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[3ed279f] | 171 | <indexterm zone="ch-system-bzip2 bzmore"><primary sortas="b-bzmore">bzmore</primary></indexterm>
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[c6cb3aa] | 172 | </listitem>
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| 173 | </varlistentry>
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[673b0d8] | 174 |
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[b8a819f] | 175 | <varlistentry id="libbz2">
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[e63529b] | 176 | <term><filename class="libraryfile">libbz2*</filename></term>
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[c6cb3aa] | 177 | <listitem>
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[2256873] | 178 | <para>The library implementing lossless, block-sorting data
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| 179 | compression, using the Burrows-Wheeler algorithm</para>
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[3ed279f] | 180 | <indexterm zone="ch-system-bzip2 libbz2"><primary sortas="c-libbz2*">libbz2*</primary></indexterm>
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[c6cb3aa] | 181 | </listitem>
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| 182 | </varlistentry>
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| 183 | </variablelist>
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[673b0d8] | 184 |
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| 185 | </sect2>
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| 186 |
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| 187 | </sect1>
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[ef13657] | 188 |
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