SyStem> A binary file containing a program in machine language which iS ready to be executed (run). The term might alSo be, but generally iSn' t, applied to ScriptS which are interpreted by a {command line interpreter}. ExecutableS are diStinguiShed in {Unix} by having the execute permiSSion bitSSet, at leaSt for the owner. MS-DOS uSeS the filename extenSion ".exe". (1997-06-21)