MICROCOMPUTER OPERATING SYSTEMS
- Operating systems for microcomputers and personal computers. Early
systems in this category have command-line (character-oriented) user interfaces,
while later systems are generally GUI-based. See also Workstation Operating
- Basic operating system for Amiga computers. Derived from TRIPOS. Mid
1980s [Pountain 1986].
- Multiuser, multiprocessing OS for the 68000 family of microprocessors.
Alpha Microsystems. Early 1980s.
- Basic Operating System for Apple II Computers. Late 1970s.
- Operating System for the Atari 400/800. Late 1970s.
- Os based on CP/M for Cromemco Computers (8080 series). Late 1970s.
- Concurrent 68K, Concurrent 286
- Real-time multi-user OS for the 68000 and 80x86 family. Combines features
of PC-DOS and UNIX. Digital Research, Mid 1980s.
- Concurrent CP/M-86
- A version of CP/M-86 supporting limited multitasking. Digital Research,
early 1980s [Kornstein 1983].
- Concurrent DOS, Concurrent PC-DOS
- Multitasking OS combining capabilities of PC-DOS and CPM. For 8086
& 68000 families. Digital Research, early 1980's.
- Concurrent DOS 8-16
- Combined version of Concurrent DOS and CP/M 2.2. CompuPro, Early 1980s.
- Control Program for Microcomputers. For Intel 8080 and Z-80. Digital
Research Inc. Widely used version is CP/M 2.2. First OS for Microcomputers.
About 1975 [Kildall 1981, Zaks 1980].
- Extended CP/M based OS for 8086 family. Digital Research, Early 1980s
- CP/M 8-16
- Combined version of CP/M 2.2 and CP/M-86. CompuPro, Mid 1980s.
- CP/M Plus
- Extended version of CP/M supporting segmented addressing, etc. Digital
Research. Mid 1980s [Dahmke 1983].
- DOS 3.3
- Standard OS for Apple II Computers.
- OS for the Tandy TRS-80. Substantial extension of TRSDOS, including
support for double density disks. Micro Systems Software. Early 1980s [Kolya
- Early version of MS-DOS. Seattle Computer Products, Late 1970s [Paterson
- Multitasking OS for Z80, 8086, 68000, Z8000. Developed by GMD in Germany.
- A small OS for the 6809 and others. Technical Systems Consultants [Mini-Micro
- Graphics OS environment for IBM-PC. Digital Research, Early 1980s.
- Graphics Operating System for Commodore 64, based on GEM. Commodore
Business Machines, Inc. Mid 1980s.
- Heath Disk OS. Operating System for H-89 and other Heath Computers.
Early 1980s [Jorgenson 1981, Pechura 1983].
- An alternative OS for the Atari 400/800. Early 1980s [Leemon 1982].
- Extended version of TRSDOS for the TRS-80 (Z80). Logical Systems, Inc.
Early 1980s [Daneliuk 1982].
- Macintosh OS
- Multitasking version of BOS/5.
- Microdisk Op Sys
- OS for MS2000 using 1805. RCA Microsystems [Mini-Micro 1985].
- A small Pascal Operating Environment for the LSI-11. Digital Equipment
Corp. [Digital 1984].
- Version of VMS for the MicroVAX. Digital Equipment Corp. Mid 1980s.
- p-code system for Z80, 8080, 8086, 68000. Volition Systems. [Mini-Micro
- Small OS for Z80. UTC/Mostek [Mini-Micro Systems 1985].
- Multi-user version of CP/M. Digital Research, late 1970's [Kildall
- Version of MP/M for 8086 family CPU. Digital Research, Early 1980s
- Version of AOS for the Data General Micro-Nova. Late 1970s [Zarella
- OS for Gould Concept-32 computers. Early 1980s.
- Improved OS for 8086 family, based partly on CP/M. Newer versions somewhat
similar to UNIX. MicroSoft Corp. Adapted as PC-DOS for IBM-PC. Late 1970's
[Paterson 1983, King 1983].
- Small ROM-based version of MS-DOS for Z80 home computers. MicroSoft
Corp. Early 1980s.
- Limited version of MS-DOS for the Z80. MicroSoft Corp. Early 1980s
- Multitasking, Multiprocessing OS for 8086 and 68000 families. Industrial
Programming, Inc. Early 1980s [Mini-Micro 1986].
- Disk Operating System for the Tandy TRS-80. Features ability to read
and write various file formats. Cosmopolitan Electronics Corp. Early 1980s
- A FORTH operating environment for the 68000. Creative Solutions [Mini-Micro
- An extended version of TRSDOS for the TRS-80. Apparat, Inc. Early 1980s
- Original name for THEOS.
- OS for 8086, 68000. Applied Systems. [Mini-Micro 1985].
- Operating system for IBM Personal System 2. IBM Corporation, Late 1980s
[White & Grehan 1987, Letwin 1988].
- Small computer OS similar to UNIX, stripped down and with real-time
capabilities. M68000 and 6809 systems, including TI Color Computer, Tandy,
Dragon, others. MicroWare Corp. Mid 1980's [Bidmead 1984].
- Support environment for UCSD Pascal, based on an abstract "p-machine."
Developed at U. of Calif. at San Diego, now distributed by SofTech Microsystems.
Late 1970s [Campbell 1983].
- For IBM-PC. Version of MS-DOS. Early 1980s [King 1983].
- Small, inexpensive VMS lookalike. Wendin Corp. Mid 1980s.
- Personal CP/M
- ROM-based version of CP/M 2.2 for small home computers. Digital Research
Inc. Early 1980s.
- FORTH environment for Z80, 8080, 8086, 6809, 68000, and PDP-11 families.
FORTH Inc. early 1980s [Mini-Micro 1986].
- Advanced operating system for APPLE computers. M6502 CPU [Campbell
1984, Moore 1984].
- Quick and Dirty Operating System. First version of 86-DOS, later MS-DOS.
Early 1980s [Patteson 1983].
- OS for the British Sinclair QL. Power of UNIX, SuperBASIC command language,
up to 20 concurrent tasks with windows. Early 1980s [WMSR 1984].
- REX-80/80, REX-80/86
- OS for 8080 and 8086. Systems & Software, Late 1970s [van der Linden
& Wilson 1980, Mini-Micro 1985].
- Early version of MS-DOS. Seattle Computer Products, Late 1970s.
- Operating System for 6809. Software Dynamics [Mini-Micro 1985].
- Sophisticated OS for the Apple III. Late 1970s.
- Business oriented operating system for small computers. Versions for
Z80, 8086, and 68000. Originally named OASIS and distributed by Phase One
Systems. Now distributed by THEOS Corporation. Early 1980s [Stagner 1985].
- Operating system for the Atari 520ST and 1040ST. Derived from Concurrent
- Version of CP/M for the Epson QX-10.
- Standard operating system for TRS-80 computers. Z80 CPU.
- Enhanced multitasking version of CP/M for Z80 and 8086. Software 2000,
Early 1980s [Fowler 1984, Bierman 1984].
- OS for the Tandy TRS-80. Level IV Products. Early 1980s [Archer 1982].
- OS for 8080, 6800, 68000, Z8000 series, and others. Boston Systems
Office. [Mini-Micro 1985].
- MS-DOS compatible system for 68000. Motorola Corp., late 1970s [Glaser
- OS for the Tandy TRS-80. Virtual Technology. Early 1980s [Archer 1982].
- Waterloo Port
- PC-DOS version. Waterloo Microsystems Inc. Early 1980s [Mini-Micro
- Graphical, cooperative multitasking operating environment for the IBM-PC,
layered on top of MS-DOS. Microsoft, Early 1990s. Most widely used version
- Windows for Workgroups
- Windows NT
- Windows 95
- Small OS for the 6800. Wintek [Mini-Micro 1985].
- Operating System for the Z8000. Zilog Corp, Late 1970s [Savitzky 1981,