# cdrom/cdrw/dvdrw symlinks
BUS=="ide", KERNEL=="hdd", NAME="%k", MODE="0660", GROUP="cdrom", SYMLINK="cdrom"
BUS=="ide", KERNEL=="hdc", NAME="%k", MODE="0660", GROUP="cdrom", SYMLINK="cdrw"
BUS=="ide", KERNEL=="hdb", NAME="%k", MODE="0660", GROUP="cdrom", SYMLINK="dvdrw"



freakshow@slackware:/etc/udev/rules.d$ ls -l /dev/hd?
brw-rw---- 1 root disk  3,  0 2006-08-24 16:25 /dev/hda
brw-rw---- 1 root disk  3, 64 2006-08-24 02:20 /dev/hdb
brw-rw---- 1 root disk 22,  0 2006-08-24 02:20 /dev/hdc
brw-rw---- 1 root disk 22, 64 2006-08-24 02:20 /dev/hdd