The OS on what I define to be my main home computer is
The OS on what I define to be my main work computer (at or for what you would consider to be 'work' for want of a better term) is
This completely unscientific self-selecting poll is because I have made the mistake of reading some Register comments at some point in the last week, which are very much like O'Reilly ones in giving the 'well I can see why most people use this free Linux thing, and some people buy the expensive Apple stuff, but I really don't understand why these Microsoft losers bother with the stuff that no-one likes with 2 or 3 percent market share' (much like watching British TV news would give the impression that the British Isles are about 100 miles off the coast of New York).
(*) I have a reprint of a booklet of the proceedings of a conference about tabulating devices held in 1915 (in the US, obviously, not busy with a massive continent wide war at the time) which has at least one bit which is very much Powers Rules, CTR Suxx. You can definitely imagine the 'I'm a CTR', 'I'm a Powers' advert - silent film with captions obviously.