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@@ -10,6 +10,7 @@
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<indexterm zone="ch-system-udev"><primary sortas="a-Udev">Udev</primary></indexterm>
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<indexterm zone="ch-system-udev"><primary sortas="a-Udev">Udev</primary></indexterm>
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<sect2 role="package"><title/>
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<sect2 role="package"><title/>
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+<para>The Udev package contains programs for dynamic creation of device nodes.</para>
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<segmentedlist>
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<segmentedlist>
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<segtitle>&buildtime;</segtitle>
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<segtitle>&buildtime;</segtitle>
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@@ -46,8 +47,87 @@ cp ../udev-config-1.rules /etc/udev/rules.d/00-lfs.rules</userinput></screen>
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<sect2 id="contents-udev" role="content"><title>Contents of Udev</title>
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<sect2 id="contents-udev" role="content"><title>Contents of Udev</title>
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-<para>Who knows?</para>
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-</sect2>
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+<segmentedlist>
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+<segtitle>Installed programs</segtitle>
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+<seglistitem><seg>udev, udevd, udevsend, udevstart, udevinfo, udevtest</seg></seglistitem>
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+</segmentedlist>
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+
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+<variablelist><title>Short descriptions</title>
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+
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+<varlistentry id="udev">
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+<term><command>udev</command></term>
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+<listitem><indexterm zone="ch-system-udev udev"><primary
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+sortas="b-udev">udev</primary></indexterm>
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+<para>is used to create device nodes in <filename
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+class="directory">/dev</filename> or to rename network interfaces (not in LFS)
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+in response to hotplug events.</para>
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+</listitem></varlistentry>
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+
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+<varlistentry id="udevd">
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+<term><command>udevd</command></term>
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+<listitem> <indexterm zone="ch-system-udev udevd"><primary
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+sortas="b-udevd">udevd</primary></indexterm>
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+<para>is a daemon that reorders hotplug events before submitting them to
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+<command>udev</command>,
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+thus avoiding various race conditions.</para>
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+</listitem></varlistentry>
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+
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+<varlistentry id="udevsend">
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+<term><command>udevsend</command></term>
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+<listitem> <indexterm zone="ch-system-udev udevsend"><primary
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+sortas="b-udevsend">udevsend</primary></indexterm>
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+<para>is used to deliver hotplug events to <command>udevd</command>.</para>
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+</listitem></varlistentry>
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+
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+<varlistentry id="udevstart">
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+<term><command>udevstart</command></term>
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+<listitem> <indexterm zone="ch-system-udev udevstart"><primary
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+sortas="b-udevstart">udevstart</primary></indexterm>
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+<para>is used to create device nodes in <filename
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+class="directory">/dev</filename> that correspond to drivers compiled directly
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+into the kernel. It performs that task by simulating hotplug events presumably
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+dropped by the kernel before invocation of this program (e.g. because the root
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+filesystem has not been mounted) and submitting such synthetic hotplug events
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+to <command>udev</command>.</para>
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+</listitem>
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+</varlistentry>
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+
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+<varlistentry id="udevinfo">
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+<term><command>udevinfo</command></term>
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+<listitem> <indexterm zone="ch-system-udev udevinfo"><primary
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+sortas="b-udevinfo">udevinfo</primary></indexterm>
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+<para>allows users to query the <command>udev</command> database for
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+information on any device currently present on the system. It also
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+provides a way to query any device in the sysfs tree to help creating udev
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+rules.</para>
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+</listitem></varlistentry>
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+
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+<varlistentry id="udevtest">
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+<term><command>udevtest</command></term>
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+<listitem> <indexterm zone="ch-system-udev udevtest"><primary
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+sortas="b-udevtest">udevtest</primary></indexterm>
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+<para>simulates a <command>udev</command> run for the given device,
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+and prints out the name of the node the real <command>udev</command> would
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+have created, or (not in LFS) the name of the renamed network interface.</para>
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+</listitem></varlistentry>
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+
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+<varlistentry id="etc-dev-d">
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+<term><filename class="directory">/etc/dev.d</filename></term>
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+<listitem> <indexterm zone="ch-system-udev etc-dev-d"><primary
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+sortas="b-etc-dev-d">/etc/dev.d</primary></indexterm>
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+<para>directory is supposed to contain user-written handlers for device
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+creation hotplug events.</para>
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+</listitem></varlistentry>
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+
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+<varlistentry id="etc-udev">
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+<term><filename class="directory">/etc/udev</filename></term>
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+<listitem> <indexterm zone="ch-system-udev etc-udev"><primary
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+sortas="b-etc-udev">/etc/udev</primary></indexterm>
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+<para>directory contains <command>udev</command> configuation files,
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+device permissions and rules for device naming.</para>
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+</listitem></varlistentry>
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+</variablelist>
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+</sect2>
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</sect1>
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</sect1>
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