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IBM PC DOS (an acronym for IBM Personal Computer Disk Operating System ), [ nb 1] also known as PC DOS or IBM DOS, is a discontinued disk operating system for the IBM Personal Computer, its successors, and IBM PC compatibles. It was manufactured and sold by IBM from the early 1980s into the 2000s. Developed by Microsoft, it was also sold by ...
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 scope of this timeline. Also presented is a timeline of events in the history of the 8-bit 8080 -based and 16-bit x86-based CP/M operating systems from 1974 to ...
The boot screen and command-line interface of MS-DOS 6, with an example of its directory structure The boot screen and command-line interface of FreeDOS, showing version information and an example of its directory structure. DOS (/ d ɒ s /, / d ɔː s /) is a family of disk-based operating systems for IBM PC compatible computers. [1]
Historical and licensing information. Originally MS-DOS was designed to be an operating system that could run on any computer with a 8086-family microprocessor. It competed with other operating systems written for such computers, such as CP/M-86 and UCSD Pascal. Each computer would have its own distinct hardware and its own version of MS-DOS, a ...
MS-DOS ( / ˌɛmˌɛsˈdɒs / em-es-DOSS; acronym for Microsoft Disk Operating System, also known as Microsoft 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 ...
UNIX History – a timeline of UNIX 1969 and its descendants at present Concise Microsoft O.S. Timeline – a color-coded concise timeline for various Microsoft operating systems (1981–present) Bitsavers – an effort to capture, salvage, and archive historical computer software and manuals from minicomputers and mainframes of the 1950s ...
A disk operating system (DOS) is a computer operating system that resides on and can use a disk storage device, such as a floppy disk, hard disk drive, or optical disc.A disk operating system provides a file system for organizing, reading, and writing files on the storage disk, and a means for loading and running programs stored on that disk.
The history of the personal computer as a mass-market consumer electronic device began with the microcomputer revolution of the 1970s. A personal computer is one intended for interactive individual use, as opposed to a mainframe computer where the end user's requests are filtered through operating staff, or a time-sharing system in which one large processor is shared by many individuals.