clueless

Command: cat /etc/udev/cd-aliases-generator.rules# These rules generate rules for the /dev/{cdrom,dvd,...} symlinks and# write them to /etc/udev/rules.d/z20_persistent-cd.rules.## The default name for this file is z75_cd-aliases-generator.rules.ACTION=="add", SUBSYSTEM=="block", ENV{GENERATED}!="?*", ENV{ID_CDROM}=="?*", \	SUBSYSTEMS!="usb|ieee1394", \	PROGRAM="write_cd_rules", SYMLINK+="%c"ACTION=="add", SUBSYSTEM=="block", ENV{GENERATED}!="?*", ENV{ID_CDROM}=="?*", \	SUBSYSTEMS=="usb|ieee1394", \	PROGRAM="write_cd_rules by-id", SYMLINK+="%c"