Remove reference to /dev/shm in fstab description
[linux_from_scratch.git] / chapter06 / bash.xml
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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 ]>
8 <sect1 id="ch-system-bash" role="wrap">
9   <?dbhtml filename="bash.html"?>
11   <sect1info condition="script">
12     <productname>bash</productname>
13     <productnumber>&bash-version;</productnumber>
14     <address>&bash-url;</address>
15   </sect1info>
17   <title>Bash-&bash-version;</title>
19   <indexterm zone="ch-system-bash">
20     <primary sortas="a-Bash">Bash</primary>
21   </indexterm>
23   <sect2 role="package">
24     <title/>
26     <para>The Bash package contains the Bourne-Again SHell.</para>
28     <segmentedlist>
29       <segtitle>&buildtime;</segtitle>
30       <segtitle>&diskspace;</segtitle>
32       <seglistitem>
33         <seg>&bash-ch6-sbu;</seg>
34         <seg>&bash-ch6-du;</seg>
35       </seglistitem>
36     </segmentedlist>
38   </sect2>
40   <sect2 role="installation">
41     <title>Installation of Bash</title>
43     <para>First, apply the following patch to fix various bugs that have been
44     addressed upstream:</para>
46 <screen><userinput remap="pre">patch -Np1 -i ../&bash-fixes-patch;</userinput></screen>
48     <para>Prepare Bash for compilation:</para>
50 <screen><userinput remap="configure">./configure --prefix=/usr --bindir=/bin \
51     --htmldir=/usr/share/doc/bash-&bash-version; --without-bash-malloc \
52     --with-installed-readline</userinput></screen>
54     <variablelist>
55       <title>The meaning of the configure options:</title>
57       <varlistentry>
58         <term><parameter>--htmldir</parameter></term>
59         <listitem>
60           <para>This option designates the directory into which HTML formatted
61           documentation will be installed.</para>
62         </listitem>
63       </varlistentry>
64       <varlistentry>
65         <term><parameter>--with-installed-readline</parameter></term>
66         <listitem>
67           <para>This option tells Bash to use the <filename
68           class="libraryfile">readline</filename> library that is already
69           installed on the system rather than using its own readline
70           version.</para>
71         </listitem>
72       </varlistentry>
74     </variablelist>
76     <para>Compile the package:</para>
78 <screen><userinput remap="make">make</userinput></screen>
80     <para>Skip down to <quote>Install the
81     package</quote> if not running the test suite.</para>
83     <para>To prepare the tests, ensure that the <systemitem class="username">nobody</systemitem> user can write to the sources tree:</para>
85 <screen><userinput remap="test">chown -Rv nobody .</userinput></screen>
87     <para>Now, run the tests as the <systemitem
88     class="username">nobody</systemitem> user:</para>
90 <screen><userinput remap="test">su-tools nobody -s /bin/bash -c "make tests"</userinput></screen>
92     <para>Install the package:</para>
94 <screen><userinput remap="install">make install</userinput></screen>
96     <para>Run the newly compiled <command>bash</command> program (replacing the one that is
97     currently being executed):</para>
99 <screen role="nodump"><userinput>exec /bin/bash --login +h</userinput></screen>
101     <note>
102       <para>The parameters used make the <command>bash</command>
103       process an interactive login shell and continue to disable hashing so
104       that new programs are found as they become available.</para>
105     </note>
107   </sect2>
109   <sect2 id="contents-bash" role="content">
110     <title>Contents of Bash</title>
112     <segmentedlist>
113       <segtitle>Installed programs</segtitle>
114       <segtitle>Installed directory</segtitle>
116       <seglistitem>
117         <seg>bash, bashbug, and sh (link to bash)</seg>
118         <seg>/usr/share/doc/bash-&bash-version;</seg>
119       </seglistitem>
120     </segmentedlist>
122     <variablelist>
123       <bridgehead renderas="sect3">Short Descriptions</bridgehead>
124       <?dbfo list-presentation="list"?>
125       <?dbhtml list-presentation="table"?>
127       <varlistentry id="bash">
128         <term><command>bash</command></term>
129         <listitem>
130           <para>A widely-used command interpreter; it performs many types of
131           expansions and substitutions on a given command line before executing
132           it, thus making this interpreter a powerful tool</para>
133           <indexterm zone="ch-system-bash bash">
134             <primary sortas="b-bash">bash</primary>
135           </indexterm>
136         </listitem>
137       </varlistentry>
139       <varlistentry id="bashbug">
140         <term><command>bashbug</command></term>
141         <listitem>
142           <para>A shell script to help the user compose and mail standard
143           formatted bug reports concerning <command>bash</command></para>
144           <indexterm zone="ch-system-bash bashbug">
145             <primary sortas="b-bashbug">bashbug</primary>
146           </indexterm>
147         </listitem>
148       </varlistentry>
150       <varlistentry id="sh">
151         <term><command>sh</command></term>
152         <listitem>
153           <para>A symlink to the <command>bash</command> program; when invoked
154           as <command>sh</command>, <command>bash</command> tries to mimic the
155           startup behavior of historical versions of <command>sh</command> as
156           closely as possible, while conforming to the POSIX standard as
157           well</para>
158           <indexterm zone="ch-system-bash sh">
159             <primary sortas="b-sh">sh</primary>
160           </indexterm>
161         </listitem>
162       </varlistentry>
164     </variablelist>
166   </sect2>
168 </sect1>