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Did Microsoft Invent the Disk Operating System?

Elena Rostova • • 5 min read
Did Microsoft Invent the Disk Operating System?

The Secret Birth of MS-DOS
The "Microsoft Disk Operating System" or MS-DOS was based on Microsoft's purchase of QDOS, the "Quick and Dirty Operating System" written by Tim Paterson of Seattle Computer Products, for their prototype Intel 8086 based computer.

Who brought the original disk operating system?

American computer programmer Timothy Paterson, a developer for Seattle Computer Products, wrote the original operating system for the Intel Corporation's 8086 microprocessor in 1980, initially calling it QDOS (Quick and Dirty Operating System), which was soon renamed 86-DOS.

Did Bill Gates invent the operating system?

Gates and company didn't invent the operating system. ... The first versions of two classic Microsoft products, Microsoft Word and the Windows operating system, were released in 1983. By 1991, Microsoft's operating systems were used by 93 percent of the world's personal computers.

Elena Rostova
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Elena Rostova

Elena Rostova holds a Master's degree in Public Health Journalism. She covers groundbreaking medical research, holistic wellness trends, mental health awareness, and nutritional science.