CategoryOperatingSystem

Last edit August 10, 2009

This has been renamed from CategoryOperatingSystems in August 2007 as suggested by ChrisGarrod on that page, assisted by DonaldNoyes. Some extra links were made in this process and not all the links are detailed on this page. -- JohnFletcher

Click on the heading to find all of the links.

By category (some OS's may appear in more than one)

Standard Unices and Unix clones; including Unix ports on top of MicroKernels:

Derivations from Unix (may support POSIX.1 API or something resembling a standard Unix shell, but deviates from Unix in some significant way)

Windows (desktop/server):

Other PC operating systems, including legacy systems:

MS/PC-DOS, aka DiskOperatingSystem (Is DOS really legacy? You can get PC-DOS 2000 from IBM.) But used primarily in the embedded world.
GeOs
IbmOsTwo (now called eComStation)
ReactOs, an OpenSource implementation of the Windows API

Well-known MicroKernels:

ObjectCapabilityOperatingSystems:

RealTimeOperatingSystems:

QnxOperatingSystem
VxWorks
pSOS (Not to be confused with PsosOs)
ThreadX
EcOs
UcLinux
RtLinux
TaoIntentOs (evolved from TAOS and Elate)

HandHeld computing (this refers to OS's designed for this purpose; LinuxOs also powers commercial PDAs)

BigIron OS's (excluding Unix/Windows):

Things SteveJobs had something to do with (and derivatives thereof):

Operating systems written in a high-level programming language

GeneraOs (written in LispLanguage: mostly ZetaLisp and CommonLisp; see also LispMachine)
MCP (written in AlgolLanguage)
MULTICS: Multiple-Access Computing Services (MulticsOs)(written in a preliminary PliLanguage)

Experimental/Research:

Amoeba

Distributed OS:

Amoeba (see Python)
Plan9

ProgrammingLanguages which resemble an OS (or which are often found self-hosting -- see LanguageIsAnOs and PinkyAndTheBrainLanguage). Operating systems implemented in C or C++ don't count here.

SmalltalkLanguage
ForthLanguage
ColorForth
CommonLisp
OberonOperatingSystem
UcsdPascal and UCSD p-System: extended PascalLanguage running only on its stand-alone OS.

OS's from 70s and 80s micros, now largely legacy OS's:

AmigaOperatingSystem (AmigaDos)
TramielOperatingSystem (TOS, the MacOs-knockoff that ran on AtariSt hardware)
RiscOs
CP/M
MicrowareOsNine
MsDos
Unnamed OS/DOS/monitor programs, etc. which ran on 8-bit micros of the era.

Others, sorted in alphabetical order (categorize please):

And in the abstract:

Some legacy operating systems:

IncompatibleTimeSharingSystem
AMOS (Alpha Micro OS -- a Unix-like OS for Alpha Micro systems
MP/M

Others: (to be deleted here, added above, or used to fix links in lists above... maybe)

WindowsVsLinux:

Which ones use CooperativeThreading?

Alternative ideas: ExoKernel

See also MyOperatingSystemWillBeatYourOperatingSystem - a Category/tag.

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