MDOS

MDOS may refer to:Micropolis MDOS, an operating system for Intel 8080 machines Motorola Disk Operating System for the M6800 based EXORciser development system in the 1970s Motorola Disk Operating System, also the underlying basis of the QDOS operating system of the Fairlight CMI digital sampling synthesizer series MIDAS, an 8-bit operating system for 8080/Z80, developed by Microsoft's Marc McDonald in 1979 Myarc Disk Operating System, an operating system emulating the TI-99/4A for the Geneve 9640 in 1987 MS-DOS 4.0 (multitasking), a multitasking operating system Multitasking DOS sub-system in IBM OS/2, e.g. C:\OS2\MDOS\ Multiuser DOS, 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, an industry alliance in the 1990s MDOS/MDOS2 systems used the Didaktik 40 and 80 disk units