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History
MS-DOS
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MS-DOS is an operating system for x86-based personal computers mostly developed by Microsoft. Collectively, MS-DOS, its rebranding as IBM PC DOS, and a few operating systems attempting to be compatible with MS-DOS, are sometimes referred to as "DOS". MS-DOS was the main operating system for IBM PC compatibles during the 1980s, from which point it was gradually superseded by operating systems offering a graphical user interface (GUI), in various generations of the graphical Microsoft Windows operating system.
MS-DOS (Compaq-DOS) version 1.12 (based on MS-DOS 1.25) for Compaq Personal Computer
MS-DOS (Compaq-DOS) version 1.12 (based on MS-DOS 1.25) for Compaq Personal Computer
MS-DOS 3.3C for the PC-9800 series
MS-DOS 3.3C for the PC-9800 series
MS-DOS version 5.0
MS-DOS version 5.0
German MS-DOS 6.2 Update
German MS-DOS 6.2 Update
Operating system
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An operating system (OS) is system software that manages computer hardware and software resources, and provides common services for computer programs.
An IBM System 360/65 Operator's Panel. OS/360 was used on most IBM mainframe computers beginning in 1966, including computers used by the Apollo progr
An IBM System 360/65 Operator's Panel. OS/360 was used on most IBM mainframe computers beginning in 1966, including computers used by the Apollo program.
The first server for the World Wide Web ran on NeXTSTEP, based on BSD.
The first server for the World Wide Web ran on NeXTSTEP, based on BSD.