If you ever do end up with me interviewing you, I'll likely work one or two of these into the discussion to explore your level of knowledge about Unix.
Translation:
If you ever do end up with me interviewing you, I'll likely work one or two obscure questions into the discussion to make you feel stupid so that I can gloat. That's how charming I am.
When you face that situation, never answer it properly because it will probably piss him off! Answer something close to OK. Praise his skills when he enlightens you with his "right" answer. That will get you the job, if you still want to suffer working for him.
Translation:
If you ever do end up with me interviewing you, I'll likely work one or two obscure questions into the discussion to make you feel stupid so that I can gloat. That's how charming I am.