DIFFERENT KINDS OF OPERATING SYSTEM

ACORN COMPUTERS

ARX Arthur RISC OS MOS Panos RISC iX

AMIGA INC.

AmigaOS AmigaOS 1.0-3.9 (Motorola 68000) AmigaOS 4 (PowerPC) Amiga Unix (aka Amix)

APPLE INC.

For Apple II

Apple DOS UCSD Pascal ProDOS GS/OS

For Apple III

SOS (Sophisticated Operating System)

For Apple Lisa

Lisa OS

For Apple Newton

Newton OS

Classic Mac OS

System Software 1 System Software 2

System Software 3 System Software 4 System Software 5 System 6 System 7

For 68k CPUs

System 7 (codenamed "Big Bang")

For Intel 386 CPUs

"Star Trek" (System 7.1 running on DR DOS "StarTrek", a Novell DOS 7 precursor) Mac OS 8 Mac OS 9 Unix-like operating systems

For Macintosh Computers

For 68k CPUs A/UX

For PowerPC CPUs

MkLinux Mac OS X v10.0 (aka "Cheetah") Mac OS X v10.1 (aka "Puma") Mac OS X v10.2 (aka "Jaguar") Mac OS X v10.3 (aka "Panther")

For PowerPC and Intel CPUs

Mac OS X Mac OS X v10.4 (aka "Tiger") Mac OS X v10.5 (aka "Leopard")

For Intel CPUs

Mac OS X Mac OS X v10.6 (aka "Snow Leopard") Mac OS X v10.7 (aka "Lion") Mac OS X v10.8 (aka "Mountain Lion") (From this point on it will no long be called

"Mac OS X" it will be called "OS X") Mac OS X Server

ATARI

Atari DOS (for 8-bit computers) Atari TOS Atari MultiTOS

BAE SYSTEMS

XTS-400 Be Inc. BeOS BeIA BeOS r5.1d0 magnussoft ZETA (based on BeOS r5.1d0 source code, developed by yellowTAB)

BELL LABS

Unics ("Ken's new system," for its creator (Ken Thompson), officially Unics and then Unix, the prototypic operating system created in Bell Labs in 1969 that formed the basis for the Unix family of operating systems)

UNIX Time-Sharing System v1 UNIX Time-Sharing System v2 UNIX Time-Sharing System v3 UNIX Time-Sharing System v4 UNIX Time-Sharing System v5 UNIX Time-Sharing System v6 MINI-UNIX PWB/UNIX USG CB Unix

UNIX Time-Sharing System v7 (It is from Version 7 Unix (and, to an extent, its descendants listed below) that almost all Unix-based and Unix-like operating systems descend.)

Unix System III Unix System IV Unix System V Unix System V Releases 2.0, 3.0, 3.2, 4.0, and 4.2 UNIX Time-Sharing System v8 UNIX TIme-Sharing System v9 UNIX Time-Sharing System v10

Non-Unix Operating Systems: BESYS Plan 9 from Bell Labs

BULL SAS

GCOS Burroughs Corporation Burroughs MCP

CONTROL DATA CORPORATION

Chippewa Operating System (COS) SIPROS (for Simultaneous Processing Operating System) SCOPE (Supervisory Control Of Program Execution) MACE (Mansfield and Cahlander Executive) Kronos (Kronographic OS) NOS (Network Operating System) NOS/BE NOS Batch Environment EP/IX (Enhanced Performance Unix)

CONVERGENT TECHNOLOGIES

Convergent Technologies Operating System (later acquired by Unisys)

DATA GENERAL

RDOS Real-time Disk Operating System, with variants: RTOS and DOS (not related to IBM PC DOS).

AOS for 16-bit Data General Eclipse computers and AOS/VS for 32-bit (MV series) Eclipses, MP/AOS for microNOVA-based computers

DG/UX

DATAPOINT

CTOS Z-80 based, Cassette Tape Operating System for early desktop systems. Capable of up to 8 simultaneous users. Replaced by DataPoint DOS.

DOS Intel 808x/80x86-based, Disk Operating Systems for desktop systems. Capable of up to 32 users per node. Supported a sophisticated network of nodes that were often purpose-built. The name DOS was used in these products login screens before it was popularized by IBM, Microsoft and others.

DDC-I, INC.

Deos Time & Space Partitioned RTOS, Certified to DO-178B, Level A since 1998 HeartOS Posix-based Hard Real-Time Operating System

DIGITAL RESEARCH, INC.

CP/M CP/M for Intel 8080/8085 and Zilog Z80 Personal CP/M, a refinement of CP/M 2.2 with BDOS 2.8 CP/M Plus with BDOS 3.0 CP/M-68K CP/M for Motorola 68000 CP/M-8000 CP/M for Zilog Z8000 CP/M-86 CP/M for Intel 8088/8086 CP/M-86 Plus Personal CP/M-86 MP/M Multi-user version of CP/M-80 MP/M II MP/M-86 Multi-user version of CP/M-86 MP/M 8-16, a dual-processor variant of MP/M for 8086 and 8080 CPUs. Concurrent CP/M, the successor of CP/M-80 and MP/M-80 Concurrent CP/M-86, the successor of CP/M-86 and MP/M-86 Concurrent CP/M 8-16, a dual-processor variant of Concurrent CP/M for 8086 and 8080

CPUs. Concurrent CP/M-68K, a variant for the 68000 Concurrent DOS, the successor of Concurrent CP/M-86 with PC-MODE Concurrent PC DOS, a Concurrent DOS variant for IBM compatible PCs Concurrent DOS 8-16, a dual-processor variant of Concurrent DOS for 8086 and 8080

CPUs. Concurrent DOS 286 Concurrent DOS XM, a real-mode variant of Concurrent DOS with EEMS support Concurrent DOS 386 Concurrent DOS 386/MGE, a Concurrent DOS 386 variant with advanced graphics

terminal capabilities Concurrent DOS 68K, a port of Concurrent DOS to Motorola 68000 CPUs with DOS

source code portability capabilities FlexOS 1.0 - 2.34, a derivative of Concurrent DOS 286 FlexOS 186, a variant of FlexOS for terminals FlexOS 286, a variant of FlexOS for hosts Siemens S5-DOS/MT, an industrial control system based on FlexOS IBM 4680 OS, a POS operating system based on FlexOS IBM 4690 OS, a POS operating system based on FlexOS FlexOS 386, a later variant of FlexOS for hosts IBM 4690 OS, a POS operating system based on FlexOS

FlexOS 68K, a derivative of Concurrent DOS 68K Multiuser DOS, the successor of Concurrent DOS 386 CCI Multiuser DOS Datapac Multiuser DOS Datapac System Manager, a derivative of Datapac Multiuser DOS IMS Multiuser DOS IMS REAL/32, a derivative of Multiuser DOS IMS REAL/NG, the successor of REAL/32 DOS Plus 1.2 - 2.1, a single-user, multi-tasking system derived from Concurrent DOS 4.1

- 5.0 DR DOS 3.31 - 6.0, a single-user, single-tasking native DOS derived from Concurrent

DOS 6.0 Novell PalmDOS 1.0 Novell "Star Trek" Novell DOS 7, a single-user, multi-tasking system derived from DR DOS Caldera OpenDOS 7.01 Caldera DR-DOS 7.02 and higher [edit]Digital/Tandem Computers/Compaq/HP OS/8 ITS (for the PDP-6 and PDP-10) Multi-Programming Executive (from HP) TOPS-10 (for the PDP-10) WAITS (for the PDP-6 and PDP-10) TENEX (from BBN, for the PDP-10) TOPS-20 (for the PDP-10) RSTS/E (multi-user time-sharing OS for PDP-11s) RSX-11 (multiuser, multitasking OS for PDP-11s) RT-11 (single user OS for PDP-11) VMS (originally by DEC, now by HP) for the VAX mini-computer range, Alpha and

Intel Itanium 2; later renamed OpenVMS) Domain/OS (originally Aegis, from Apollo Computer who were bought by HP) Digital UNIX (derived from OSF/1, became HP's Tru64 UNIX) HP-UX Ultrix

ENEA AB

OSE Flexible, small footprint, high-performance RTOS for control processors

FUJITSU

Towns OS

GOOGLE

Android 4.0.1 on the Galaxy Nexus Google Chrome OS is designed to work exclusively with web applications. Announced

on July 7, 2009, Chrome OS is currently publicly available and was released summer 2011. The Chrome OS source code was released on November 19, 2009 under the BSD license as Chromium OS.

Chromium OS is an open source operating system development version of Google Chrome OS. Both operating systems are based on the Ubuntu kernel.

Android is an operating system for mobile devices. Android is based on Linux core. ES is a computer operating system developed originally by Nintendo and since 2008 by

Google. It is open source and runs natively on x86 platforms.

GREEN HILLS SOFTWARE

INTEGRITY Reliable Operating system INTEGRITY-178B A DO-178B certified version of INTEGRITY. µ-velOSity A lightweight microkernel.

HEATHKIT/ZENITH DATA SYSTEMS

HDOS; ran on the H8 and Heath/Zenith Z-89 series HT-11 (a modified version of RT-11) ran on the Heathkit H11

HEWLETT-PACKARD

HP Multi-Programming Executive; (MPE, MPE/XL, and MPE/iX) runs on HP 3000 and HP e3000 mini-computers.

HP-UX; runs on HP9000 and Itanium servers - from small to mainframe-class computers.

HONEYWELL

Multics GCOS

INTEL CORPORATION

iRMX; real-time operating system originally created to support the Intel 8080 and 8086 processor families in embedded applications.

ISIS-II; "Intel Systems Implementation Supervisor" was THE environment for development of software within the Intel microprocessor family in the early 1980s on

their Intellec Microcomputer Development System and clones. ISIS-II worked with 8 inch floppy disks and had an editor, cross-assemblers, a linker, an object locator, debugger, compilers for PLM (PL/I for microprocessors of the 8080/86 family), a BASIC interpreter, etc. and allowed file management through a console.

INTERNATIONAL COMPUTERS LIMITED

J and MultiJob for the System 4 series mainframes GEORGE 2/3/4 GEneral ORGanisational Environment, used by ICL 1900 series

mainframes Executive, used on the 290x range of minicomputers TME, used on the ME29 minicomputer ICL VME, including early variants VME/B VME/K, appearing on the ICL 2900 Series

and Series 39 mainframes, implemented in S3.

LYNUXWORKS (ORIGINALLY LYNX REAL-TIME SYSTEMS)

LynxOS

MICRIUM INC.

MicroC/OS-II (Small pre-emptive priority based multi-tasking kernel) MicroC/OS-III (Small pre-emptive priority based multi-tasking kernel, with unlimited

number of tasks and priorities, and round robin scheduling)

MICROSOFT

Xenix (licensed version of Unix; licensed to SCO in 1987) MSX-DOS (developed by MS Japan for the MSX 8-bit computer) MS-DOS (developed jointly with IBM, versions 1.0–6.22) Windows 1.0 (Windows 1 - Based on Visi On) April 30, 1985 Windows 2.0 (Windows 2) December 9, 1987 Windows 3.0 (Windows 3 - Is the first version of Windows to make substantial

commercial impact) May 22, 1990 Windows 3.1x (Windows 3.1) March 18, 1992 Windows 3.2 (Chinese-only release) November 19, 1992 Windows for Workgroups 3.11 January 21, 1993 Windows 95 (Windows 4) August 24, 1995 Windows 98 (Windows 4.1) June 25, 1998 Windows Millennium Edition (Windows Me - Windows 4.9) September 14, 2000 Windows NT (Full 32-bit kernel, not dependent on MS-DOS) Windows NT 3.1 July 27, 1993 Windows NT 3.5 September 21, 1994

Windows NT 3.51 May 30, 1995 Windows NT 4.0 July 31, 1996 Windows 2000 (Windows NT 5.0), February 17, 2000 Windows XP (Windows NT 5.1) October 25, 2001 Windows Server 2003 (Windows NT 5.2) April 24, 2003 Windows Fundamentals for Legacy PCs (based on Windows XP) July 8, 2006 Windows Vista (Windows NT 6.0) January 31, 2007 Windows Azure (based on Windows Vista) 2009 Windows Home Server (based on Windows Server 2003) February 28, 2008 Windows Server 2008 (based on Windows Vista) February 28, 2008 Windows 7 (Windows NT 6.1) October 22, 2009 Windows Server 2008 R2 (based on Windows 7) October 22, 2009 Windows Home Server 2011 (based on Windows Server 2008 R2) April 6, 2011 Windows 8 Consumer Preview (First downloadable release) March 1, 2012 Windows 8 Server Beta (First downloadable release) March 15, 2012 Windows CE (OS for handhelds, embedded devices, and real-time applications that is

similar to other versions of Windows) May 30, 2002 Windows CE 3.0 December 25, 2002 Windows CE 5.0 February 27, 2004 Windows CE 6.0 May 5, 2004 Windows Mobile (based on Windows CE, but for a smaller form factor) April 14, 2005 Windows Phone October 21, 2010 Singularity - A research operating system written mostly in managed code (C#)

November 30, 2009 Midori - A managed code operating system July 21, 2010 Xbox and Xbox 360 OS custom operating systems May 12, 2005 and August 10, 2006

MONTAVISTA SOFTWARE

MontaVista Linux MontaVista Mobilinux

NCR CORPORATION

TMX - Transaction Management eXecutive

NOVELL

NetWare network operating system providing high-performance network services. Has been superseded by Open Enterprise Server line, which can be based on NetWare or Linux to provide the same set of services.

Open Enterprise Server, the successor to NetWare.

QUADROS SYSTEMS

RTXC Quadros RTOS proprietary C-based RTOS used in embedded systems RCA TSOS, first OS supporting virtual addressing of the main storage and support for both

timeshare and batch interface

ROWEBOTS

Unison RTOS Ultra Tiny Embedded Linux Compatible RTOS DSPnano RTOS Ultra Tiny Embedded Linux Compatible RTOS Unison/Reliant V3 pSOS derivative RTOS

SCO / THE SCO GROUP

Xenix, Unix System III based distribution for the Intel 8086/8088 architecture Xenix 286, Unix System V Release 2 based distribution for the Intel 80286 architecture Xenix 386, Unix System V Release 2 based distribution for the Intel 80386 architecture SCO Unix, SCO UNIX System V/386 was the first volume commercial product licensed

by AT&T to use the UNIX System trademark (1989). Derived from AT&T System V Release 3.2 with an infusion of Xenix device drivers and utilities plus most of the SVR4 features

SCO Open Desktop, the first 32-bit graphical user interface for UNIX Systems running on Intel processor-based computers. Based on SCO Unix

SCO OpenServer 5, AT&T UNIX System V Release 3 based SCO OpenServer 6, SVR5 (UnixWare 7) based kernel with SCO OpenServer 5

application and binary compatibility, system administration, and user environments UnixWare UnixWare 2.x, based on AT&T System V Release 4.2MP UnixWare 7, UnixWare 2 kernel plus parts of 3.2v5 (UnixWare 2 + OpenServer 5 =

UnixWare 7). Referred to by SCO as SVR5 [edit]Scientific Data Systems (SDS) Berkeley Timesharing System for the SDS 940

SYSGO

PikeOS is a certified real time operating system for safety and security critical embedded systems

TRON PROJECT

TRON (open real-time operating system kernel)

T-Kernel

UNISYS

Unisys OS 2200 operating system

UNIVAC (LATER UNISYS)

EXEC I EXEC II EXEC 8 Ran on 1100 series. VS/9, successor to RCA TSOS

WANG LABORATORIES

WPS Wang Word Processing System. Micro-code based system. OIS Wang Office Information System. Successor to the WPS. Combined the WPS and

VP/MVP systems.

WIND RIVER SYSTEMS

VxWorks Small footprint, scalable, high-performance RTO