#2 Unmount CD before shutdown

[Jeff Lopes]

Not unmounting the CD before shutdown makes it so you have to
reboot the machine to get the CD out.... kind of annoying. (Thanks
Justin!)

[Jeff Lopes]

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I'm trying to decide what I wanna do here..... if I want to umount the CD
before shutdown I need to killall5 processes and wait for them to clean up
before I can execute the umount. Doesn't seem worth it right now...