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             --docdir=/usr/share/doc/bash-&bash-version; \
  52             --without-bash-malloc               \
  53             --with-installed-readline</userinput></screen>
  54
  55     <variablelist>
  56       <title>The meaning of the new configure option:</title>
  57
  58       <varlistentry>
  59         <term><parameter>--with-installed-readline</parameter></term>
  60         <listitem>
  61           <para>This option tells Bash to use the <filename
  62           class="libraryfile">readline</filename> library that is already
  63           installed on the system rather than using its own readline
  64           version.</para>
  65         </listitem>
  66       </varlistentry>
  67
  68     </variablelist>
  69
  70     <para>Compile the package:</para>
  71
  72 <screen><userinput remap="make">make</userinput></screen>
  73
  74     <para>Skip down to <quote>Install the
  75     package</quote> if not running the test suite.</para>
  76
  77     <para>To prepare the tests, ensure that the <systemitem class="username">nobody</systemitem> user can write to the sources tree:</para>
  78
  79 <screen><userinput remap="test">chown -Rv nobody .</userinput></screen>
  80
  81     <para>Now, run the tests as the <systemitem
  82     class="username">nobody</systemitem> user:</para>
  83
  84 <screen><userinput remap="test">su nobody -s /bin/bash -c "PATH=$PATH make tests"</userinput></screen>
  85
  86     <para>Install the package and move the main executable to
  87     <filename class='directory'>/bin</filename>:</para>
  88
  89 <screen><userinput remap="install">make install
  90 mv -vf /usr/bin/bash /bin</userinput></screen>
  91
  92     <para>Run the newly compiled <command>bash</command> program (replacing the one that is
  93     currently being executed):</para>
  94
  95 <screen role="nodump"><userinput>exec /bin/bash --login +h</userinput></screen>
  96
  97     <note>
  98       <para>The parameters used make the <command>bash</command>
  99       process an interactive login shell and continue to disable hashing so
 100       that new programs are found as they become available.</para>
 101     </note>
 102
 103   </sect2>
 104
 105   <sect2 id="contents-bash" role="content">
 106     <title>Contents of Bash</title>
 107
 108     <segmentedlist>
 109       <segtitle>Installed programs</segtitle>
 110       <segtitle>Installed directory</segtitle>
 111
 112       <seglistitem>
 113         <seg>bash, bashbug, and sh (link to bash)</seg>
 114         <seg>/usr/share/doc/bash-&bash-version;</seg>
 115       </seglistitem>
 116     </segmentedlist>
 117
 118     <variablelist>
 119       <bridgehead renderas="sect3">Short Descriptions</bridgehead>
 120       <?dbfo list-presentation="list"?>
 121       <?dbhtml list-presentation="table"?>
 122
 123       <varlistentry id="bash">
 124         <term><command>bash</command></term>
 125         <listitem>
 126           <para>A widely-used command interpreter; it performs many types of
 127           expansions and substitutions on a given command line before executing
 128           it, thus making this interpreter a powerful tool</para>
 129           <indexterm zone="ch-system-bash bash">
 130             <primary sortas="b-bash">bash</primary>
 131           </indexterm>
 132         </listitem>
 133       </varlistentry>
 134
 135       <varlistentry id="bashbug">
 136         <term><command>bashbug</command></term>
 137         <listitem>
 138           <para>A shell script to help the user compose and mail standard
 139           formatted bug reports concerning <command>bash</command></para>
 140           <indexterm zone="ch-system-bash bashbug">
 141             <primary sortas="b-bashbug">bashbug</primary>
 142           </indexterm>
 143         </listitem>
 144       </varlistentry>
 145
 146       <varlistentry id="sh">
 147         <term><command>sh</command></term>
 148         <listitem>
 149           <para>A symlink to the <command>bash</command> program; when invoked
 150           as <command>sh</command>, <command>bash</command> tries to mimic the
 151           startup behavior of historical versions of <command>sh</command> as
 152           closely as possible, while conforming to the POSIX standard as
 153           well</para>
 154           <indexterm zone="ch-system-bash sh">
 155             <primary sortas="b-sh">sh</primary>
 156           </indexterm>
 157         </listitem>
 158       </varlistentry>
 159
 160     </variablelist>
 161
 162   </sect2>
 163
 164 </sect1>