Home›Operating System›Invented By Company›Cisco Systems, Inc.Browse ByCisco Systems, Inc.FactsCisco Systems, Inc.SourcesComments (0)Reader Challenges (0)FactsComparisonEra of EmergenceWell-attested1956 CE 1Cisco Systems, Inc.Filter Results1 entrySystem ClassAllEmbedded and Real-Time Operating Systems (1)StatusAllActive / In Use (1)LicenseAllProprietary Software (1)GroupAllEmbedded and Real-Time Operating Systems (1)ACM AreaAllOperating Systems (1)Show ResultsCisco IOSCisco Systems, 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.