Long before Windows, and even before MS-DOS, Microsoft sold a Unix-based operating system it called Xenix in 1980. It was the first OS made by the company, but it eventually sold it off in 1987. On ...

In context: Back in 1980, Tim Paterson was creating a new operating system he called QDOS or Quick and Dirty Operating System. The system was later renamed 86-DOS, as it was being designed to run on ...

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Some things we don't think much about; we just accept them. But have you ever wondered why the hard drive on a Windows system ...

MS-DOS or Microsoft Disk Operating System was the dominant operating system for Personal Computer throughout the 80s. MS-DOS is a non-graphical command line operating system. MS-DOS allows the user to ...