From WordNet (r) 3.0 (2006) :
Aix
n 1: wood duck and mandarin duck [syn: Aix, genus Aix]
From V.E.R.A. -- Virtual Entity of Relevant Acronyms (February 2016) :
AIX
Advanced Interactive eXecutive (IBM, Unix, OS)
From The Free On-line Dictionary of Computing (30 December 2018) :
Advanced Interactive eXecutive
AIX
(AIX) IBM's version of Unix, taken as
the basis for the OSF standard.
Usenet newsgroup: news:comp.sys.unix.aix.
(1994-11-24)