default rules directory <filename>/lib/udev/rules.d/</filename>,
the custom rules directory <filename>/etc/udev/rules.d/</filename>
and the temporary rules directory <filename>/run/udev/rules.d/</filename>.
- All rule files are sorted and processed in lexical order, regardless
- in which of these directories they live. Files in
- <filename>/etc/udev/rules.d/</filename> have precedence over files with
- the same name in <filename>/lib/udev/rules.d/</filename>. This can be
+ All rule files are collectively sorted and processed in lexical order,
+ regardless of the directories in which they live. However, files in
+ <filename>/etc/udev/rules.d/</filename> take precedence over files with
+ the same name in <filename>/lib/udev/rules.d/</filename>; this can be
used to ignore a default rules file if needed.</para>
- <para>Rule files must end in <filename>.rules</filename>, other extensions
- are ignored.</para>
+ <para>Rule files must have the extension <filename>.rules</filename>; other
+ extensions are ignored.</para>
<para>Every line in the rules file contains at least one key value pair.
There are two kind of keys, match and assignment keys.
<varlistentry>
<term><option>watch</option></term>
<listitem>
- <para>Watch the device node with inotify, when closed after being opened for
+ <para>Watch the device node with inotify; when closed after being opened for
writing, a change uevent is synthesised.</para>
</listitem>
</varlistentry>