A Practical Study of System Variables: Put Them to Use with BASIC. Authors Publication TS-2068 Up-date Pub Details Update April 1988 Date April 1988 Pages 20 Read the article See all articles from Update April 1988 Examines several system variables and how users could use them in programming. Products Downloadable Media Related Articles Tags Update Magazine, Reference, TS 2068, ts2068book People No people associated with this content.