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Everything about History of RISC OS

RISC OS, the computer operating system developed by Acorn Computers for their ARM-based Acorn Archimedes range, was originally released in 1987 as Arthur 0.20, and soon followed by Arthur 0.30, and Arthur 1.20. The next version, Arthur 2, became RISC OS 2 and was completed in September 1988 and made available in April 1989. RISC OS 3 was released with the very earliest version of the A5000 in 1991 and contained a series of new features. By 1996 RISC OS had been shipped on over 500,000 systems. Wikipedia →

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  1. Arthur
  2. RISC OS 2
  3. RISC OS 3
  4. Demise of Acorn Computers Ltd
  5. Work post-Acorn by RISCOS Ltd
  6. Post-Acorn development

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