Home›Articles›How FlexOS ended up running cash registersArticleHow FlexOS ended up running cash registersArticlesConnectionsSourcesComments (0)Reader Challenges (0)ConnectionsArticle OnFlexOS, Systems Well-attested SourcesWikipedia: FlexOSAdaptations: IBM and Toshiba 4690 OSQuote, Adaptations: IBM and Toshiba 4690 OSIBM continued to maintain 4690 OS up to April 2015, with the most recent version released by IBM in May 2012 being IBM 4690 OS Version 6 Release 3.View the SourceAtlas Article Vocabularytier 1AtlasComments (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.