source: BOOK/final-system/common/bash.xml@ 6dc0453

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  "http://www.oasis-open.org/docbook/xml/4.5/docbookx.dtd" [
  <!ENTITY % general-entities SYSTEM "../../general.ent">
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<sect1 id="ch-system-bash" role="wrap">
  <?dbhtml filename="bash.html"?>

  <title>Bash-&bash-version;</title>

  <indexterm zone="ch-system-bash">
    <primary sortas="a-Bash">Bash</primary>
  </indexterm>

  <sect2 role="package">
    <title/>

    <para>The Bash package contains the Bourne-Again SHell.</para>

  </sect2>

  <sect2 role="installation">
    <title>Installation of Bash</title>

    <para os="p1">The following patch contains updates from the maintainer. The
    maintainer of Bash only releases these patches to fix serious issues:</para>

<screen os="p2"><userinput>patch -Np1 -i ../&bash-branch_update-patch;</userinput></screen>

    <para os="a">Prepare Bash for compilation:</para>

<screen os="b"><userinput>./configure \
    --prefix=/usr \
    --without-bash-malloc \
    --with-installed-readline \
    --docdir=/usr/share/doc/bash-&bash-version;</userinput></screen>

    <variablelist os="c">
      <title>The meaning of the new configure option:</title>

      <varlistentry>
        <term><parameter>--with-installed-readline</parameter></term>
        <listitem>
          <para>This option tells Bash to use the
          <filename class="libraryfile">readline</filename> library that is
          already installed on the system rather than using its own readline
          version.</para>
        </listitem>
      </varlistentry>
    </variablelist>

    <para os="d">Compile the package:</para>

<screen os="e"><userinput>make</userinput></screen>

    <para os="f">To test the results, issue:</para>

<screen os="f2"><userinput remap="test">make tests</userinput></screen>

    <para os="g">Install the package:</para>

<screen os="h"><userinput>make install</userinput></screen>

    <para os="i">Move the <command>bash</command> binary to
    <filename class="directory">/bin</filename>, overwriting the symlink
    that was previously created:</para>

<screen os="j"><userinput>mv -v /usr/bin/bash /bin</userinput></screen>

    <para os="k">Run the newly compiled <command>bash</command> program (replacing
    the one that is currently being executed):</para>

<screen os="l" role="nodump"><userinput>exec /bin/bash --login +h</userinput></screen>

    <note os="m">
      <para>The parameters used make the <command>bash</command>
      process an interactive login shell and continue to disable hashing so
      that new programs are found as they become available.</para>
    </note>

  </sect2>

  <sect2 id="contents-bash" role="content">
    <title>Contents of Bash</title>

    <segmentedlist>
      <segtitle>Installed programs</segtitle>
      <segtitle>Installed directory</segtitle>

      <seglistitem>
        <seg>bash, bashbug, sh (link to bash)</seg>
        <seg>/usr/share/doc/bash-&bash-version;</seg>
      </seglistitem>
    </segmentedlist>

    <variablelist>
      <bridgehead renderas="sect3">Short Descriptions</bridgehead>
      <?dbfo list-presentation="list"?>
      <?dbhtml list-presentation="table"?>

      <varlistentry id="bash">
        <term><command>bash</command></term>
        <listitem>
          <para>A widely-used command interpreter; it performs many types of
          expansions and substitutions on a given command line before executing
          it, thus making this interpreter a powerful tool</para>
          <indexterm zone="ch-system-bash bash">
            <primary sortas="b-bash">bash</primary>
          </indexterm>
        </listitem>
      </varlistentry>

      <varlistentry id="bashbug">
        <term><command>bashbug</command></term>
        <listitem>
          <para>A shell script to help the user compose and mail standard
          formatted bug reports concerning <command>bash</command></para>
          <indexterm zone="ch-system-bash bashbug">
            <primary sortas="b-bashbug">bashbug</primary>
          </indexterm>
        </listitem>
      </varlistentry>

      <varlistentry id="sh">
        <term><command>sh</command></term>
        <listitem>
          <para>A symlink to the <command>bash</command> program; when invoked
          as <command>sh</command>, <command>bash</command> tries to mimic the
          startup behavior of historical versions of <command>sh</command> as
          closely as possible, while conforming to the POSIX standard as
          well</para>
          <indexterm zone="ch-system-bash sh">
            <primary sortas="b-sh">sh</primary>
          </indexterm>
        </listitem>
      </varlistentry>

    </variablelist>

  </sect2>

</sect1>