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It was developed to be similar to Digital Research's CP/M—the dominant disk operating system for 8-bit Intel 8080 and Zilog Z80 microcomputers—in order to simplify porting CP/M applications to MS-DOS. The IBM Personal Computer (IBM 5150 PC) When IBM introduced the IBM PC, built with the Intel 8088 microprocessor, they needed an operating ...
Collectively, MS-DOS, its rebranding as IBM PC DOS, and a few operating systems attempting to be compatible with MS-DOS, are sometimes referred to as "DOS" (which is also the generic acronym for disk operating system). MS-DOS was the main operating system for IBM PC compatibles during the 1980s, from which point it was gradually superseded by ...
86-DOS (a.k.a. QDOS, created 1980), an operating system developed by Seattle Computer Products for its 8086-based S-100 computer kit, heavily inspired by CP/M; Concurrent DOS (a.k.a. CDOS, Concurrent PC DOS and CPCDOS) (since 1983), a CP/M-86 and MS-DOS 2.11 compatible multiuser, multitasking DOS, based on Concurrent CP/M-86 developed by Digital Research
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.
DOS—Disk Operating System; DP—Dot Pitch; DPC—Deferred Procedure Call; DPI—Deep packet inspection; DPI—Dots per inch; DPMI—DOS Protected Mode Interface; DPMS—Display Power Management Signaling; DR—Disaster Recovery; DRAM—Dynamic Random-Access Memory; DR-DOS—Digital Research – Disk Operating System; DRI—Direct Rendering ...
Pick operating system; SIPROS 66 (Simultaneous Processing Operating System) [6] THE multiprogramming system (Technische Hogeschool Eindhoven) development; TSOS (later VMOS) 1966 DOS/360 (IBM's Disk Operating System) GEORGE 1 & 2 for ICT 1900 series; Mod 1 [7] Mod 2 [8] Mod 8 [9] MS/8 (Richard F. Lary's DEC PDP-8 system) MSOS (Mass Storage ...
86-DOS (known internally as QDOS, [1] for Quick and Dirty Operating System) is a discontinued operating system developed and marketed by Seattle Computer Products (SCP) for its Intel 8086-based computer kit. 86-DOS shared a few of its commands with other operating systems such as OS/8 and CP/M, which made it easy to port programs from the ...
Disk Operating System/360, also DOS/360, or simply DOS, is the discontinued first member of a sequence of operating systems for IBM System/360, System/370 and later mainframes. It was announced by IBM on the last day of 1964, and it was first delivered in June 1966. [1] In its time, DOS/360 was the most widely used operating system in the world ...