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Top : Computers : Software : Operating_Systems : History
  		• Linux@
  		• Mac OS@
  		• Microsoft Windows@
  		• Unix@
    See Also:
    Sites:
  		• Easysoft: Operating systems are defined here. All type of operating systems like windows,unix,linux,debian are defined here.open bsd as well as bsd is described here
  		• History of the AmigaOS GUI: Dedicated to the preservation and restoration of the Amiga Workbench's history.
  		• In the Beginning was the Command Line: A history of operating systems, by Neal Stephenson.
  		• OldOs.org: A source for utilities, history, and everything you need to get your old computer up and running, either in emulation or in real life.
  		• Operating Systems History: A Brief History of Computer Operating Systems from the mid 1950s on.
  		• Operating Systems Through Time (8-bits): A brief history of 8-bit operating systems.
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