IBM's UNIX-based operating systems. Used on IBM's servers, and some other IBM-manufactured machines.
AIX is very nice, as any other UNIX-based OS.
by venox September 13, 2003
An exclamation; a combination of "aie" (french for "oww") and "Yikes"
Aix! i can't seem to find my car keys!
by dancinkare June 09, 2006