MDOS may refer to: * Micropolis MDOS, an operating system for Intel 8080 machines * Motorola Disk Operating System for the M6800 based

EXORciser The 6800 ("''sixty-eight hundred''") is an 8-bit microprocessor designed and first manufactured by Motorola in 1974. The MC6800 microprocessor was part of the M6800 Microcomputer System (latter dubbed ''68xx'') that also included serial and para ...

development system in the 1970s * Motorola Disk Operating System, also the underlying basis of the QDOS operating system of the

Fairlight CMI The Fairlight CMI (short for Computer Musical Instrument) is a digital synthesizer, sampler, and digital audio workstation introduced in 1979 by Fairlight. — with links to some Fairlight history and photos It was based on a commercial lic ...

digital sampling synthesizer series * MIDAS (operating system) (originally named MDOS, and also known as M-DOS or ''My DOS''), an 8-bit operating system for 8080/Z80, developed by Microsoft's Marc McDonald in 1979 *

Myarc Disk Operating System MDOS (short for Myarc Disk Operating System) is an operating system commercialized by Myarc. It was designed and implemented specifically for the Geneve 9640 by Paul Charlton. MDOS was designed to fully emulate the TI-99/4A computer while pro ...

(aka MDOS), an operating system emulating the TI-99/4A for the Geneve 9640 in 1987 *

MS-DOS 4.0 (multitasking) MS-DOS 4.0 was a multitasking release of MS-DOS developed by Microsoft based on MS-DOS 2.0. Lack of interest from OEMs, particularly IBM (who previously gave Microsoft multitasking code on IBM PC DOS included with TopView), led to it being rel ...

, a multitasking operating system * Multitasking DOS sub-system in IBM

OS/2 OS/2 (Operating System/2) is a series of computer operating systems, initially created by Microsoft and IBM under the leadership of IBM software designer Ed Iacobucci. As a result of a feud between the two companies over how to position OS/2 r ...

, e.g. C:\OS2\MDOS\ *

Multiuser DOS Multiuser DOS is a real-time multi-user multi-tasking operating system for IBM PC-compatible microcomputers. An evolution of the older Concurrent CP/M-86, Concurrent DOS and Concurrent DOS 386 operating systems, it was originally developed by ...

(aka DR MDOS), a DOS- and CP/M compatible 32-bit protected mode operating system for 386 machines developed by Digital Research / Novell in the 1990s *

Multiuser DOS Federation The Multiuser DOS Federation (MDOS) was an industry alliance to promote the growth and acceptance of multi-user DOS-based solutions on 286, 386 and 486 computers. It was formed in July 1990. Initially among them were Digital Research, Theos So ...

, an industry alliance in the 1990s

See also