[tvon]

Not to pile on, but It's "Mac", short for Macintosh. MAC is, as far as I can think, only for Media Access Control (as in MAC address).

That said, my first thought for the low barrier to no-mouse would be Linux as well, but as others have said there is more to OSX than just a pretty face.

[doki_pen]

yeah, sorry. entered from my "auto-correcting" android phone. too lazy to fix.