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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 ...
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 ...
IBM and Microsoft parted ways—MS-DOS 6 was released in March, and PC DOS 6.1 (separately developed) followed in June. Most of the new features from MS-DOS 6.0 appeared in PC DOS 6.1 including the new boot menu support and the new commands CHOICE, DELTREE, and MOVE. QBasic was dropped and the MS-DOS Editor was replaced with the IBM E Editor.
In addition to Microsoft's new commands in MS-DOS 2.0 (above), IBM adds more including FDISK, the fixed disk [F] setup program, used to write the master boot record which supports up to four partitions on hard drives. Only one DOS partition is allowed, the others are intended for other operating systems such as CP/M-86, UCSD p-System and Xenix.
Not to be confused with Microsoft Windows. 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.
Paul Gardner Allen (January 21, 1953 – October 15, 2018) was an American businessman, computer programmer, researcher, film producer, explorer, sports executive, investor and philanthropist. He co-founded Microsoft Corporation with his childhood friend Bill Gates in 1975, which was followed by the microcomputer revolution of the 1970s and 1980s.
CP/M-86 was one of three operating systems available from IBM, with PC DOS and UCSD p-System. [5] Digital Research's adaptation of CP/M-86 for the IBM PC was released six months after PC DOS in spring 1982, and porting applications from CP/M-80 to either operating system was about equally difficult. [6] In November 1981, Digital Research also ...
After Windows 3.11, Microsoft started development on a new consumer-oriented version of the operating system. Windows 95 was intended to integrate Microsoft's formerly separate MS-DOS and Windows products and included an enhanced version of DOS, often referred to as MS-DOS 7.0. It also featured a significant redesign of the GUI, dubbed "Cairo".