Bastard Operator From Hell. This term is an older internet favorite, from the long running series of humor articles credited to and copyrighted by Simon Travaglia. The first known BOFH post appears in the google usenet archive and is dated June 1992 and can be seen here . Basically, a computer support person with no desire to actually help users, but simply to make his own existence as easy as possible. For current articles, see _The Register_.
User: I need some more free space in my home directory. BOFH: (deletes existing files) Allrighty. Just freed up some room for you. User: Ok, goodbye. Hey, where are my old files?