System 6 (eak gehaten als System Software 6) is an graphisc Bruker-Interface-basierte Bedreifssystem fœr Macintosh Computern. It was in 1988 fram Apple Computer utgegifen and was Dæl þer Mac OS Leine þer Bedreifssysteme. System 6 was mid syndrigen Macintosh-Computern utbefolgen, oþþem it fram System 7 in 1991 æftergefolgt was. Þie Boxversion Systems 6 hafde US$49 als Ceap hwenn it utgekumen was.