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IBM PC DOS. 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.
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 referred ...
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 situation similar to the one that ...
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, Microsoft 's MS-DOS, both of which were introduced in 1981.
Timeline of DOS operating systems. 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 ...
The version included with PC DOS 3.0 and 3.1 is hard-coded to transfer the operating system from A: to B:, while from PC DOS 3.2 onward you can specify the source and destination, and can be used to install DOS to the harddisk. The version included with MS-DOS 4 and PC DOS 4 is no longer a simple command-line utility, but a full-fledged installer.
Apple DOS, operating system for the Apple II series from late 1978 through early 1983. Apple ProDOS, name for both ProDOS 8 for the Apple II and ProDOS 16 for the Apple IIGS. Commodore DOS, for Commodore's 8-bit computers. Cromemco DOS (CDOS), a CP/M -like operating system. CSI-DOS, for the Soviet Elektronika BK computers.
The PC included BASIC in ROM (four 8 KB chips), a common feature of 1980s home computers. Its ROM BASIC supported the cassette tape interface, but PC DOS did not, limiting use of that interface to BASIC only. PC DOS version 1.00 supported only 160 KB SSDD floppies, but version 1.1, which was released nine months after the PC's introduction ...