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git-svn-id: svn://svn.linuxfromscratch.org/BLFS/trunk/BOOK@2105 af4574ff-66df-0310-9fd7-8a98e5e911e0
31 lines
1.0 KiB
XML
31 lines
1.0 KiB
XML
<sect1 id="postlfs-config-shells">
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<?dbhtml filename="etcshells.html"?>
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<title>/etc/shells</title>
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<para>The <filename>shells</filename> file contains a list of
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login shells on the system. Applications use this file to determine
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whether a shell is valid. For each shell a single line should be
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present, consisting of the shell's path, relative to root.</para>
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<para>For example, this file is consulted by <command>chsh</command> to
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determine whether a normal user may change the login shell for her
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own account. If the command name is not listed, the user will be denied of
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change.</para>
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<para>It is a requirement for applications such as
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<acronym>GDM</acronym> which does not populate the face browser if it
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can't find <filename>/etc/shells</filename> or <acronym>FTP</acronym>
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daemons which traditionally disallow access to users with shells not
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included in this file.</para>
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<screen><userinput><command>cat > /etc/shells << "EOF"</command>
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# Begin /etc/shells
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/bin/sh
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/bin/bash
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# End /etc/shells
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<command>EOF</command></userinput></screen>
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</sect1>
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