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Everything about OS4000

GEC operating system introduced in 1977

OS4000 is a proprietary operating system introduced by GEC Computers Limited in 1977 as the successor to GEC DOS, for its range of GEC 4000 series 16-bit, and later 32-bit, minicomputers. OS4000 was developed through to late 1990s, and has been in a support-only mode since then. Wikipedia →

đź§­ Start here: a 6-step reading path

  1. Read the overview: OS4000A 5-minute orientation
  2. Pick up a classic book: The Emperor of All MaladiesThe most-reprinted book on the subject
  3. Go sideways: GEC 4000 seriesA closely related topic
  4. Go sideways: GEC ComputersA closely related topic

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