From: utzoo!utcsrgv!utcsstat!turvol Newsgroups: net.movies Title: Re: re: origin of TRON Article-I.D.: utcsstat.334 Posted: Fri Sep 24 19:46:57 1982 Received: Fri Sep 24 20:27:06 1982 References: inuxc.380 TRON comes from MICROSOFT BASIC. It means trace on. Considering the nature of the movie, it would seem to be a likely choice.