Since the dvd drive which came along with my laptop can only “read-write” dvd-r’s (and not dvd+r), it was imperative for me to be able to mount my usb dvd+r drive on slackware. Here is how it is done:
mount -r /dev/scd0 /mnt/dvd/
/dev/scd0: seems like this is used for scsi devices
slackware: the hacker\'s linux 