bash-2.05b$ ls -la /dev/sr0 /dev/sr1 /dev/scd0 /dev/scd1 /dev/cdrom /dev/cdwrite /dev/sg0 /dev/sg1
ls: /dev/cdwrite: No such file or directory
lrwxrwxrwx    1 root     users           9 Feb 11 22:29 /dev/cdrom -> /dev/scd0
brwxr-xr-x    1 root     users     11,   0 Jul 18  1994 /dev/scd0
brwxr-xr-x    1 root     users     11,   1 Jul 18  1994 /dev/scd1
crwxrw-rw-    1 root     users     21,   0 Apr 12  1999 /dev/sg0
crwxrw-rw-    1 root     users     21,   1 Apr 12  1999 /dev/sg1
brw-rw-rw-    1 root     users     11,   0 Apr 12  1999 /dev/sr0
brw-rw-rw-    1 root     users     11,   1 Apr 12  1999 /dev/sr1
bash-2.05b$
 bash-2.05b$ ls -la /dev/cdwriter
lrwxrwxrwx    1 root     users           9 Feb 11 22:29 /dev/cdwriter -> /dev/scd1