coltweb02:/tmp# ls -l /etc/udev/rules.d total 8 lrwxrwxrwx 1 root root 20 Feb 27 11:45 020_permissions.rules -> ../permissions.rules lrwxrwxrwx 1 root root 13 Feb 27 11:45 udev.rules -> ../udev.rules lrwxrwxrwx 1 root root 25 Feb 27 11:45 z20_persistent-input.rules -> ../persistent-input.rules lrwxrwxrwx 1 root root 19 Feb 27 11:45 z20_persistent.rules -> ../persistent.rules -rw-r--r-- 1 root root 399 Feb 27 11:49 z25_persistent-cd.rules -rw-r--r-- 1 root root 500 Feb 27 11:49 z25_persistent-net.rules lrwxrwxrwx 1 root root 33 Feb 27 11:45 z45_persistent-net-generator.rules -> ../persistent-net-generator.rules lrwxrwxrwx 1 root root 12 Feb 27 11:45 z50_run.rules -> ../run.rules lrwxrwxrwx 1 root root 16 Feb 27 11:45 z55_hotplug.rules -> ../hotplug.rules lrwxrwxrwx 1 root root 29 Feb 27 11:45 z75_cd-aliases-generator.rules -> ../cd-aliases-generator.rules