Home›Operating System›Invented By Company›BullBrowse ByBullFactsBullSourcesComments (0)Reader Challenges (0)FactsComparisonEra of EmergenceWell-attested1956 CE 1BullFilter Results1 entrySystem ClassAllMainframe and Historical Systems (1)YearAll1969 (1)StatusAllDiscontinued (1)GroupAllMainframe and Historical Systems (1)Show ResultsXerox Operating SystemBullSources1. 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.