资料来源 : Free On-Line Dictionary of Computing

EXEC 8
     
         {Unisys}'s {operating system} from about
        1980 to 2000, by which time it was a dying breed with Unisys
        moving to {Windows NT} and {Unix}.
     
        [Was 8 the successor to {EXEC 2}?]
     
        (2000-08-06)