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Operating System

 

Computer programs that are primarily or entirely concerned with controlling the computer and its associated hardware, rather than with processing work for users. Computers can operate without application software, but cannot run without an operating system.

Major manufacturers - IBM etc., - tend to use proprietary operating systems, but popular commercial operating systems include Unix, Windows® 95/98/NT/2000, MacOS®, OS/2®, Linux®, and DOS® variants.


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