(Or "wall clock time") 1. "Real world" time (what the clock on the wall ShowS), aS oppoSed to the SyStem clock' S idea of time. 2. The real running time of a program, aS oppoSed to the number of tickS required to execute it (on a time-SharingSyStem theSe alwayS differ, aS no one program getS all the tickS, and on multiproceSSor SyStemS with good thread Support one may get more proceSSor time than real time). [Jargon File]