chapter06/bash.xml

   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-bash" role="wrap">
   9   <?dbhtml filename="bash.html"?>
  10
  11   <sect1info condition="script">
  12     <productname>bash</productname>
  13     <productnumber>&bash-version;</productnumber>
  14     <address>&bash-url;</address>
  15   </sect1info>
  16
  17   <title>Bash-&bash-version;</title>
  18
  19   <indexterm zone="ch-system-bash">
  20     <primary sortas="a-Bash">Bash</primary>
  21   </indexterm>
  22
  23   <sect2 role="package">
  24     <title/>
  25
  26     <para>The Bash package contains the Bourne-Again SHell.</para>
  27
  28     <segmentedlist>
  29       <segtitle>&buildtime;</segtitle>
  30       <segtitle>&diskspace;</segtitle>
  31
  32       <seglistitem>
  33         <seg>&bash-ch6-sbu;</seg>
  34         <seg>&bash-ch6-du;</seg>
  35       </seglistitem>
  36     </segmentedlist>
  37
  38   </sect2>
  39
  40   <sect2 role="installation">
  41     <title>Installation of Bash</title>
  42
  43     <para>First, apply the following patch to fix various bugs that have been
  44     addressed upstream:</para>
  45
  46 <screen><userinput remap="pre">patch -Np1 -i ../&bash-fixes-patch;</userinput></screen>
  47
  48     <para>Prepare Bash for compilation:</para>
  49
  50 <screen><userinput remap="configure">./configure --prefix=/usr                       \
  51             --bindir=/bin                       \
  52             --docdir=/usr/share/doc/bash-&bash-version; \
  53             --without-bash-malloc               \
  54             --with-installed-readline</userinput></screen>
  55
  56     <variablelist>
  57       <title>The meaning of the new configure option:</title>
  58
  59       <varlistentry>
  60         <term><parameter>--with-installed-readline</parameter></term>
  61         <listitem>
  62           <para>This option tells Bash to use the <filename
  63           class="libraryfile">readline</filename> library that is already
  64           installed on the system rather than using its own readline
  65           version.</para>
  66         </listitem>
  67       </varlistentry>
  68
  69     </variablelist>
  70
  71     <para>Compile the package:</para>
  72
  73 <screen><userinput remap="make">make</userinput></screen>
  74
  75     <para>Skip down to <quote>Install the
  76     package</quote> if not running the test suite.</para>
  77
  78     <para>To prepare the tests, ensure that the <systemitem class="username">nobody</systemitem> user can write to the sources tree:</para>
  79
  80 <screen><userinput remap="test">chown -Rv nobody .</userinput></screen>
  81
  82     <para>Now, run the tests as the <systemitem
  83     class="username">nobody</systemitem> user:</para>
  84
  85 <screen><userinput remap="test">su nobody -s /bin/bash -c "PATH=$PATH make tests"</userinput></screen>
  86
  87     <para>Install the package:</para>
  88
  89 <screen><userinput remap="install">make install</userinput></screen>
  90
  91     <para>Run the newly compiled <command>bash</command> program (replacing the one that is
  92     currently being executed):</para>
  93
  94 <screen role="nodump"><userinput>exec /bin/bash --login +h</userinput></screen>
  95
  96     <note>
  97       <para>The parameters used make the <command>bash</command>
  98       process an interactive login shell and continue to disable hashing so
  99       that new programs are found as they become available.</para>
 100     </note>
 101
 102   </sect2>
 103
 104   <sect2 id="contents-bash" role="content">
 105     <title>Contents of Bash</title>
 106
 107     <segmentedlist>
 108       <segtitle>Installed programs</segtitle>
 109       <segtitle>Installed directory</segtitle>
 110
 111       <seglistitem>
 112         <seg>bash, bashbug, and sh (link to bash)</seg>
 113         <seg>/usr/share/doc/bash-&bash-version;</seg>
 114       </seglistitem>
 115     </segmentedlist>
 116
 117     <variablelist>
 118       <bridgehead renderas="sect3">Short Descriptions</bridgehead>
 119       <?dbfo list-presentation="list"?>
 120       <?dbhtml list-presentation="table"?>
 121
 122       <varlistentry id="bash">
 123         <term><command>bash</command></term>
 124         <listitem>
 125           <para>A widely-used command interpreter; it performs many types of
 126           expansions and substitutions on a given command line before executing
 127           it, thus making this interpreter a powerful tool</para>
 128           <indexterm zone="ch-system-bash bash">
 129             <primary sortas="b-bash">bash</primary>
 130           </indexterm>
 131         </listitem>
 132       </varlistentry>
 133
 134       <varlistentry id="bashbug">
 135         <term><command>bashbug</command></term>
 136         <listitem>
 137           <para>A shell script to help the user compose and mail standard
 138           formatted bug reports concerning <command>bash</command></para>
 139           <indexterm zone="ch-system-bash bashbug">
 140             <primary sortas="b-bashbug">bashbug</primary>
 141           </indexterm>
 142         </listitem>
 143       </varlistentry>
 144
 145       <varlistentry id="sh">
 146         <term><command>sh</command></term>
 147         <listitem>
 148           <para>A symlink to the <command>bash</command> program; when invoked
 149           as <command>sh</command>, <command>bash</command> tries to mimic the
 150           startup behavior of historical versions of <command>sh</command> as
 151           closely as possible, while conforming to the POSIX standard as
 152           well</para>
 153           <indexterm zone="ch-system-bash sh">
 154             <primary sortas="b-sh">sh</primary>
 155           </indexterm>
 156         </listitem>
 157       </varlistentry>
 158
 159     </variablelist>
 160
 161   </sect2>
 162
 163 </sect1>