bash.xml 5.7 KB

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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. ]>
  7. <sect1 id="ch-system-bash" role="wrap">
  8. <?dbhtml filename="bash.html"?>
  9. <sect1info condition="script">
  10. <productname>bash</productname>
  11. <productnumber>&bash-version;</productnumber>
  12. <address>&bash-url;</address>
  13. </sect1info>
  14. <title>Bash-&bash-version;</title>
  15. <indexterm zone="ch-system-bash">
  16. <primary sortas="a-Bash">Bash</primary>
  17. </indexterm>
  18. <sect2 role="package">
  19. <title/>
  20. <para>The Bash package contains the Bourne-Again SHell.</para>
  21. <segmentedlist>
  22. <segtitle>&buildtime;</segtitle>
  23. <segtitle>&diskspace;</segtitle>
  24. <seglistitem>
  25. <seg>&bash-ch6-sbu;</seg>
  26. <seg>&bash-ch6-du;</seg>
  27. </seglistitem>
  28. </segmentedlist>
  29. </sect2>
  30. <sect2 role="installation">
  31. <title>Installation of Bash</title>
  32. <para>Incorporate some upstream fixes:</para>
  33. <screen><userinput remap="pre">patch -Np1 -i ../&bash-fixes-patch;</userinput></screen>
  34. <para>Prepare Bash for compilation:</para>
  35. <screen><userinput remap="configure">./configure --prefix=/usr \
  36. --docdir=/usr/share/doc/bash-&bash-version; \
  37. --without-bash-malloc \
  38. --with-installed-readline</userinput></screen>
  39. <variablelist>
  40. <title>The meaning of the new configure option:</title>
  41. <varlistentry>
  42. <term><parameter>--with-installed-readline</parameter></term>
  43. <listitem>
  44. <para>This option tells Bash to use the <filename
  45. class="libraryfile">readline</filename> library that is already
  46. installed on the system rather than using its own readline
  47. version.</para>
  48. </listitem>
  49. </varlistentry>
  50. </variablelist>
  51. <para>Compile the package:</para>
  52. <screen><userinput remap="make">make</userinput></screen>
  53. <para>Skip down to <quote>Install the
  54. package</quote> if not running the test suite.</para>
  55. <para>To prepare the tests, ensure that the <systemitem class="username">nobody</systemitem> user can write to the sources tree:</para>
  56. <screen><userinput remap="test">chown -Rv nobody .</userinput></screen>
  57. <para>Now, run the tests as the <systemitem
  58. class="username">nobody</systemitem> user:</para>
  59. <screen><userinput remap="test">su nobody -s /bin/bash &lt;&lt; EOF
  60. PATH=$PATH HOME=/home make tests
  61. EOF</userinput></screen>
  62. <para>The <command>su</command> command above is slightly different from
  63. other places in the book. The
  64. reason is that the <option>-c</option> option runs the command without
  65. a controlling terminal, while the bash test suite needs one.</para>
  66. <para>Nevertheless, the <systemitem class="username">nobody</systemitem>
  67. user does not have enough permissions for all the tests to pass. This shows
  68. up in some <quote>diff</quote> output in four test results.</para>
  69. <para>Install the package and move the main executable to
  70. <filename class='directory'>/bin</filename>:</para>
  71. <screen><userinput remap="install">make install
  72. mv -vf /usr/bin/bash /bin</userinput></screen>
  73. <para>Run the newly compiled <command>bash</command> program (replacing the one that is
  74. currently being executed):</para>
  75. <screen role="nodump"><userinput>exec /bin/bash --login +h</userinput></screen>
  76. <note>
  77. <para>The parameters used make the <command>bash</command>
  78. process an interactive login shell and continue to disable hashing so
  79. that new programs are found as they become available.</para>
  80. </note>
  81. </sect2>
  82. <sect2 id="contents-bash" role="content">
  83. <title>Contents of Bash</title>
  84. <segmentedlist>
  85. <segtitle>Installed programs</segtitle>
  86. <segtitle>Installed directory</segtitle>
  87. <seglistitem>
  88. <seg>bash, bashbug, and sh (link to bash)</seg>
  89. <seg>/usr/include/bash, /usr/lib/bash, and
  90. /usr/share/doc/bash-&bash-version;</seg>
  91. </seglistitem>
  92. </segmentedlist>
  93. <variablelist>
  94. <bridgehead renderas="sect3">Short Descriptions</bridgehead>
  95. <?dbfo list-presentation="list"?>
  96. <?dbhtml list-presentation="table"?>
  97. <varlistentry id="bash">
  98. <term><command>bash</command></term>
  99. <listitem>
  100. <para>A widely-used command interpreter; it performs many types of
  101. expansions and substitutions on a given command line before executing
  102. it, thus making this interpreter a powerful tool</para>
  103. <indexterm zone="ch-system-bash bash">
  104. <primary sortas="b-bash">bash</primary>
  105. </indexterm>
  106. </listitem>
  107. </varlistentry>
  108. <varlistentry id="bashbug">
  109. <term><command>bashbug</command></term>
  110. <listitem>
  111. <para>A shell script to help the user compose and mail standard
  112. formatted bug reports concerning <command>bash</command></para>
  113. <indexterm zone="ch-system-bash bashbug">
  114. <primary sortas="b-bashbug">bashbug</primary>
  115. </indexterm>
  116. </listitem>
  117. </varlistentry>
  118. <varlistentry id="sh">
  119. <term><command>sh</command></term>
  120. <listitem>
  121. <para>A symlink to the <command>bash</command> program; when invoked
  122. as <command>sh</command>, <command>bash</command> tries to mimic the
  123. startup behavior of historical versions of <command>sh</command> as
  124. closely as possible, while conforming to the POSIX standard as
  125. well</para>
  126. <indexterm zone="ch-system-bash sh">
  127. <primary sortas="b-sh">sh</primary>
  128. </indexterm>
  129. </listitem>
  130. </varlistentry>
  131. </variablelist>
  132. </sect2>
  133. </sect1>