People occasionally wonder why sysadmins are so impatient and obnoxious sometimes. These should give you some idea. If you like what you see here, try reading the newsgroup alt.sysadmin.recovery - before you ask, no the PC admins in the IS Group don't post to this newsgroup. We read it, but posting could get us into trouble...
Even sysadmins don't get it right all the time, though. It's not unknown for an admin to suffer an attack of the stupids: Unix admin horror stories