Home›Operating System›Invented By Company›Digital ResearchBrowse ByDigital ResearchFactsDigital ResearchSourcesComments (0)Reader Challenges (0)FactsComparisonEra of EmergenceWell-attested1956 CE 1Digital ResearchFilter Results7 entriesSystem ClassAllDOS-Family Systems (6)Embedded and Real-Time Operating Systems (1)YearAll1974 (2)1979 (1)1981 (1)1984 (1)1985 (1)1986 (1)StatusAllDiscontinued (7)LicenseAllProprietary Software (5)Invented ByAllGary Kildall (4)GroupAllDOS-Family Systems (6)Embedded and Real-Time Operating Systems (1)ACM AreaAllOperating Systems (7)Show ResultsBrowseCompareSelect all 7Concurrent DOSDigital ResearchCP/MDigital ResearchCP/M PlusDigital ResearchCP/M-86Digital ResearchDOS PlusDigital ResearchFlexOSDigital ResearchMP/MDigital ResearchSources1. 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.