DOS (/ dɒs /, / dɔːs /) is a family of disk-based operating systems for IBM PC compatible computers. [1] The DOS family primarily consists of IBM PC DOS and a rebranded version, …

Jan 31, 2025 · A DOS, or disk operating system, is an operating system (OS) that runs from a disk drive. The term can also refer to a particular family of disk operating systems, most …

News from the Department of State and upcoming events, board meetings, training programs and workshops. Sign Up to Receive Updates from DOS! Signup here to receive the latest …

Jul 23, 2025 · MS-DOS allows the user to navigate, open, and otherwise manipulate files on their computer from a command line instead of a GUI like Windows. Although it is not widely used …

Apr 21, 2023 · An acronym of Microsoft Disk Operating System, MS-DOS is also known as Microsoft DOS. A DOS is a “disk operating system” which is basically a collection of tools and …

Dec 14, 2025 · You can play your favorite DOS games on FreeDOS. And there are a lot of great classic games to play: Wolfenstein 3D, Doom, Commander Keen, Rise of the Triad, Jill of the …

Originally 86-DOS, written by Tim Paterson of Seattle Computer Products, DOS was a rough clone of CP/M for 8086 based hardware. Microsoft purchased it and licensed it to IBM for use …

Many other DOS variants are informally called DOS, but are not included in the scope of the list. The highly related variant, IBM PC DOS, is included. The list is not intended to be exhaustive, …

Nov 11, 2025 · MS-DOS is a text-based operating system developed by Microsoft. Users interact with the system by typing commands instead of using a graphical user interface (GUI).

This article presents a timeline of events in the history of 16-bit x86 DOS -family disk operating systems from 1980 to present. Non-x86 operating systems named "DOS" are not part of the …