Update to systemd-243. BLFS portion coming whenever utility power is restored here.
[linux_from_scratch.git] / BOOK / 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>
42 <!--
43     <para>Incorporate some upstream fixes:</para>
45 <screen><userinput remap="pre">patch -Np1 -i ../&bash-fixes-patch;</userinput></screen>
46 -->
47     <para>Prepare Bash for compilation:</para>
49 <screen><userinput remap="configure">./configure --prefix=/usr                    \
50             --docdir=/usr/share/doc/bash-&bash-version; \
51             --without-bash-malloc            \
52             --with-installed-readline</userinput></screen>
54     <variablelist>
55       <title>The meaning of the new configure option:</title>
57       <varlistentry>
58         <term><parameter>--with-installed-readline</parameter></term>
59         <listitem>
60           <para>This option tells Bash to use the <filename
61           class="libraryfile">readline</filename> library that is already
62           installed on the system rather than using its own readline
63           version.</para>
64         </listitem>
65       </varlistentry>
67     </variablelist>
69     <para>Compile the package:</para>
71 <screen><userinput remap="make">make</userinput></screen>
73     <para>Skip down to <quote>Install the
74     package</quote> if not running the test suite.</para>
76     <para>To prepare the tests, ensure that the <systemitem class="username">nobody</systemitem> user can write to the sources tree:</para>
78 <screen><userinput remap="test">chown -Rv nobody .</userinput></screen>
80     <para>Now, run the tests as the <systemitem
81     class="username">nobody</systemitem> user:</para>
83 <screen><userinput remap="test">su nobody -s /bin/bash -c "PATH=$PATH HOME=/home make tests"</userinput></screen>
85     <para>Install the package and move the main executable to
86     <filename class='directory'>/bin</filename>:</para>
88 <screen><userinput remap="install">make install
89 mv -vf /usr/bin/bash /bin</userinput></screen>
91     <para>Run the newly compiled <command>bash</command> program (replacing the one that is
92     currently being executed):</para>
94 <screen role="nodump"><userinput>exec /bin/bash --login +h</userinput></screen>
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>
102   </sect2>
104   <sect2 id="contents-bash" role="content">
105     <title>Contents of Bash</title>
107     <segmentedlist>
108       <segtitle>Installed programs</segtitle>
109       <segtitle>Installed directory</segtitle>
111       <seglistitem>
112         <seg>bash, bashbug, and sh (link to bash)</seg>
113         <seg>/usr/include/bash, /usr/lib/bash, and
114         /usr/share/doc/bash-&bash-version;</seg>
115       </seglistitem>
116     </segmentedlist>
118     <variablelist>
119       <bridgehead renderas="sect3">Short Descriptions</bridgehead>
120       <?dbfo list-presentation="list"?>
121       <?dbhtml list-presentation="table"?>
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>
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>
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>
160     </variablelist>
162   </sect2>
164 </sect1>