Have to admit, got 8 out of 10 without google and made good guesses on the 2 misses.

What is missing is a real question to tell the real Unix geeks from the the 6 month tech school want-a-be's

Q11: vi or emacs?

(I've really used that one on interviews to see if they really had ever spent any time at a command prompt. If they answered 'pico', 'ed' or 'vim' I'd give it to them, but 'notepad' or anything like that...'you're out of here!')