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+<?xml version="1.0" encoding="ISO-8859-1"?>
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+<!DOCTYPE part PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN"
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+ "http://www.oasis-open.org/docbook/xml/4.5/docbookx.dtd" [
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+ <!ENTITY % general-entities SYSTEM "../general.ent">
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+ %general-entities;
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+]>
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+
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+<sect1 id="ch-config-shells" xreflabel="Creating the /etc/shells File">
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+ <?dbhtml filename="etcshells.html"?>
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+
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+ <sect1info>
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+ <othername>$LastChangedBy: randy $</othername>
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+ <date>$Date: 2007-04-04 14:42:53 -0500 (Wed, 04 Apr 2007) $</date>
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+ </sect1info>
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+
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+ <title>Creating the /etc/shells File</title>
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+
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+ <indexterm zone="ch-config-shells">
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+ <primary sortas="e-etc-shells">/etc/shells</primary>
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+ </indexterm>
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+
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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 the root of the
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+ directory structure (/).</para>
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+
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+ <para>For example, this file is consulted by <command>chsh</command>
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+ to determine whether an unprivileged 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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+
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+ <para>It is a requirement for applications such as
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+ <application>GDM</application> which does not populate the
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+ face browser if it can't find <filename>/etc/shells</filename>, or
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+ FTP daemons which traditionally disallow access to users
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+ with shells not included in this file.</para>
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+
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+<screen role="root"><userinput>cat > /etc/shells << "EOF"
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+<literal># Begin /etc/shells
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+
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+/bin/sh
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+/bin/bash
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+
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+# End /etc/shells</literal>
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+EOF</userinput></screen>
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+
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+</sect1>
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