- <filename>/etc/udev/rules.d</filename> directory or at the location specified
- value in the configuration file. Every line in the rules file contains at least
+ 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>/dev/.udev/rules.d/</filename>.
+ All rule files are sorted and processed in lexical order, regardless
+ in which of these directories they live. Every line in the rules file contains at least