From: Dave <tdbtdb+centos at gmail.com> > I can change the group ownershipp of the DVD drive, but if I log out & > in again it changes back. Is there a way to make a change permanent? > How could I figure out what process is changing this back? > ls -la /dev/scd0 > brw-rw---- 1 root mail 11, 0 Nov 12 15:17 /dev/scd0 Hum... the mail group ownership seems strange... Mine is: brw------- 1 jd disk 11, 0 nov 22 10:28 /dev/scd0 Maybe check in /etc/udev/rules.d if you see something... JD