Home›Operating System›Invented By Company›Apple Inc.Browse ByApple Inc.FactsApple Inc.SourcesComments (0)Reader Challenges (0)FactsComparisonEra of EmergenceWell-attested1956 CE 1Apple Inc.Filter Results13 entriesSystem ClassAllClassic Mac OS and Apple Systems (12)Mobile and Handheld Operating Systems (1)YearAll1978 (1)1979 (1)1980 (1)1983 (1)1984 (1)1988 (3)1993 (1)2001 (1)2007 (1)2016 (1)StatusAllActive / In Use (2)Discontinued (10)LicenseAllProprietary Software (12)GroupAllClassic Mac OS and Apple Systems (12)Mobile and Handheld Operating Systems (1)ACM AreaAllOperating Systems (13)Show ResultsBrowseCompareSelect all 13A/ROSEApple Inc.A/UXApple Inc.Apple DOSApple Inc.Apple GS/OSApple Inc.Apple PascalApple Inc.Apple ProDOSApple Inc.Apple SOSApple Inc.BridgeOSApple Inc.Classic Mac OSApple Inc.iOSApple Inc.macOSApple Inc.Newton OSApple Inc.Rhapsody (operating system)Apple Inc.Sources1. Wikipedia: GM-NAA I/Otier 2WikipediaGM-NAA I/O, lead sectionQuote, GM-NAA I/O, lead sectionIt was created in 1956 by Robert L. Patrick of General Motors Research and Owen Mock of North American Aviation.View the SourceComments (0)No comments yet. Be the first to share a thought.Sign in to join the discussion.Reader Challenges (0)No disputes yet. Spotted an error or a better source? Open the first one.Sign in to dispute this or suggest a correction.