source: BOOK/final-system/common/bash.xml @ 8d55018

systemd
Last change on this file since 8d55018 was 8d55018, checked in by Chris Staub <chris@…>, 4 years ago

Prevent bashbug from being installed to /bin

  • Property mode set to 100644
File size: 4.7 KB
Line 
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  <title>Bash-&bash-version;</title>
12
13  <indexterm zone="ch-system-bash">
14    <primary sortas="a-Bash">Bash</primary>
15  </indexterm>
16
17  <sect2 role="package">
18    <title/>
19
20    <para>The Bash package contains the Bourne-Again SHell.</para>
21
22  </sect2>
23
24  <sect2 role="installation">
25    <title>Installation of Bash</title>
26
27    <para os="p1">The following patch contains updates from the maintainer. The
28    maintainer of Bash only releases these patches to fix serious issues:</para>
29
30<screen os="p2"><userinput>patch -Np1 -i ../&bash-branch_update-patch;</userinput></screen>
31
32    <para os="a">Prepare Bash for compilation:</para>
33
34<screen os="b"><userinput>./configure \
35    --prefix=/usr \
36    --without-bash-malloc \
37    --with-installed-readline \
38    --docdir=/usr/share/doc/bash-&bash-version;</userinput></screen>
39
40    <variablelist os="c">
41      <title>The meaning of the new configure option:</title>
42
43      <varlistentry>
44        <term><parameter>--with-installed-readline</parameter></term>
45        <listitem>
46          <para>This option tells Bash to use the
47          <filename class="libraryfile">readline</filename> library that is
48          already installed on the system rather than using its own readline
49          version.</para>
50        </listitem>
51      </varlistentry>
52    </variablelist>
53
54    <para os="d">Compile the package:</para>
55
56<screen os="e"><userinput>make</userinput></screen>
57
58    <para os="f">To test the results, issue:</para>
59
60<screen os="f2"><userinput remap="test">make tests</userinput></screen>
61
62    <para os="g">Install the package:</para>
63
64<screen os="h"><userinput>make install</userinput></screen>
65
66    <para os="i">Move the <command>bash</command> binary to
67    <filename class="directory">/bin</filename>, overwriting the symlink
68    that was previously created:</para>
69
70<screen os="j"><userinput>mv -v /usr/bin/bash /bin</userinput></screen>
71
72    <para os="k">Run the newly compiled <command>bash</command> program (replacing
73    the one that is currently being executed):</para>
74
75<screen os="l" role="nodump"><userinput>exec /bin/bash --login +h</userinput></screen>
76
77    <note os="m">
78      <para>The parameters used make the <command>bash</command>
79      process an interactive login shell and continue to disable hashing so
80      that new programs are found as they become available.</para>
81    </note>
82
83  </sect2>
84
85  <sect2 id="contents-bash" role="content">
86    <title>Contents of Bash</title>
87
88    <segmentedlist>
89      <segtitle>Installed programs</segtitle>
90      <segtitle>Installed directory</segtitle>
91
92      <seglistitem>
93        <seg>bash, bashbug, sh (link to bash)</seg>
94        <seg>/usr/share/doc/bash-&bash-version;</seg>
95      </seglistitem>
96    </segmentedlist>
97
98    <variablelist>
99      <bridgehead renderas="sect3">Short Descriptions</bridgehead>
100      <?dbfo list-presentation="list"?>
101      <?dbhtml list-presentation="table"?>
102
103      <varlistentry id="bash">
104        <term><command>bash</command></term>
105        <listitem>
106          <para>A widely-used command interpreter; it performs many types of
107          expansions and substitutions on a given command line before executing
108          it, thus making this interpreter a powerful tool</para>
109          <indexterm zone="ch-system-bash bash">
110            <primary sortas="b-bash">bash</primary>
111          </indexterm>
112        </listitem>
113      </varlistentry>
114
115      <varlistentry id="bashbug">
116        <term><command>bashbug</command></term>
117        <listitem>
118          <para>A shell script to help the user compose and mail standard
119          formatted bug reports concerning <command>bash</command></para>
120          <indexterm zone="ch-system-bash bashbug">
121            <primary sortas="b-bashbug">bashbug</primary>
122          </indexterm>
123        </listitem>
124      </varlistentry>
125
126      <varlistentry id="sh">
127        <term><command>sh</command></term>
128        <listitem>
129          <para>A symlink to the <command>bash</command> program; when invoked
130          as <command>sh</command>, <command>bash</command> tries to mimic the
131          startup behavior of historical versions of <command>sh</command> as
132          closely as possible, while conforming to the POSIX standard as
133          well</para>
134          <indexterm zone="ch-system-bash sh">
135            <primary sortas="b-sh">sh</primary>
136          </indexterm>
137        </listitem>
138      </varlistentry>
139
140    </variablelist>
141
142  </sect2>
143
144</sect1>
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