Operating Systems Database


Total OS in database (28 March 2024) : 2765
Corresponding OS from query : 180

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Name
Year
Description Platform Company Link
D-68
1968
Dispatcher-68. First operating system for the BESM-6 computer.
BESM-6
ITMiVT RAS, Russia
DAPS
1960s
Direct Access Programming System.
General Electric GE-400
Bull-General Electric, USA
Darwin
2001
Open-source Unix-like operating system. It is composed of code developed by Apple, as well as code derived from NeXTSTEP, BSD, Mach, and other free software projects.
x86-64, 64-bit ARM, PowerPC, IA-32, 32-bit ARM
Apple, USA
Data ONTAP
1992
ONTAP or Data ONTAP or Clustered Data ONTAP (cDOT) or Data ONTAP 7-Mode is NetApp's proprietary operating system used in storage disk arrays such as NetApp FAS and AFF (also known as NetApp Filer), ONTAP Select and Cloud Volumes ONTAP.
IA-32, Alpha, MIPS, x86-64 with ONTAP 8 and higher
NetApp, USA
Datapac Multiuser DOS
1990s
DataPac version of Multiuser DOS.
-
DataPac Australasia, Australia
Datapac System Manager
1996
Derivative of Datapac Multiuser DOS.
-
DataPac Australasia, Australia
DBLDOS
1981<
Operating system for the Tandy TRS-80. Simple updates to TRSDOS to support the Percom double-density board.
Tandy TRS-80
Percom Data, USA
-
DBOS-16
1970
Disk Based Operating System. For General Automation SPC-16 & System 18/30.
General Automation SPC-16 & System 18/30
General Automation, USA
-
DCN
1975
Operating system for a distributed network of PDP-11 virtual machines at the University of Maryland.
DEC PDP-11
David Mills, USA
DC/Osx
1990s
DataCenter/OSx for Pyramid's MIPS-based systems. Was the first symmetric multiprocessing (SMP) implementation on Unix System V Release 4. DC/OSx was superseded by the SINIX operating system.
Pyramid
Pyramid Technology, USA
DC/UX
1990s
Operating system for Omron workstations.
Omron LUNA
Japan
-
DD-WRT
2005
Linux-based firmware for wireless routers and access points.
Linksys routers
-
Debian (9 versions)
1993
Unix-like operating system composed entirely of free software packaged by a team of volunteers.
amd64, ia64, i386, arm64, armel, armhf, mipsel, ppc64, IBM S/390x, z/Architecture, RISC-V
-
Dell Real Mode Kernel (DRMK)
2000s
Dell Real Mode Kernel. close to MS-DOS and PC-DOS. OS used when booting to the Restore or Utility partitions on recent Dell systems.
-
Dell, USA
-
DEMOS (1) (1 versions)
1970c
Message-based OS for the CRAY-1.
Cray-1
Los Alamos, USA
-
DEMOS (2)
1982
Dialogovaya Edinaya Mobilnaya Operatsionnaya Sistema. MNOS alternative.
SM-4, Elektronika-1082, BESM, ES EVM, SM-1700, IBM PC compatibles
Kurchatov Institute of Atomic Energy, DEMOS Co-operative, Russia
Denali
2000s
Kernel for multiplexing virtual machines.
-
University of Washington, USA
Deos Time & Space Partitioned
1998
Certified to DO-178B, Level A since 1998.
x86, PowerPC, MIPS
DDC-I, USA
DES RT
1980s
Real-time, Unix-like OS for 16-bit microprocessor families and Micro-Vax, DGC MV series.
Micro-Vax, DGC MV series
Destek Group, USA
-
DeskMate
1984
Operating system introduced with the Tandy 1000 computer.
Tandy 1000
Tandy, USA
-
DesktopBSD
2005
Unix-derivative, desktop-oriented operating system based on FreeBSD.
-
Peter Hofer, Daniel Seuffert, Austria
DESQview
1985
Text mode multitasking operating environment.
IBM PC compatibles
Quarterdeck, USA
DESQview + (1 versions)
1980s
QEMM 386 multi-tasking user interface.
IBM PC compatibles
Quarterdeck, USA
-
DESQView/X
1980s
X-windowing GUI.
-
Quarterdeck, USA
DEX
2000s
Extensible operating system (dex-os). Educational operating system that supports a plug-in like architecture and aims to achieve zero static inter-module calls.
-
-
Dex4U
2004
Fast 32bit pmode operating system for the PC (Intel, AMD, etc.). Everything in this operating system is focused on speed: the architecture, it's avoidance of virtualization, and it is completely written in assembly.
x86
-
DexOS
2012
32-bit operating system written in x86 assembly.
32-bit x86 ARM
-
DF-DOS
2000s
Real mode OS (similar to XOA-DOS). Built using NASM for x86 (386+) CPU's. And designed for normal floppy disks. Source available and some tutorials/documents. Main purpose of the site is to initally learn about OS development rather than commercial or linux like use.
x86
-
DG/UX
1985
Unix operating system.
Eclipse MV minicomputer line, AViiON workstation and server line
Data General, USA
DIAMS-2
1980s
Database dialog OS for SMEP computers.
SMEP
Russia
-
Digital UNIX
1995
Old name for Tru64 UNIX. Derived from OSF/1, became HP's Tru64 UNIX.
-
DEC, USA
-
DilOS
2000s
Illumos based platform (Solaris).
x86-64, SPARC
-
DioneOS
2011
Multitasking preemptive, real-time operating system. The system is designed for Texas Instruments MSP430x microcontrollers.
TI MSP430, MSP430x
EleSoftRom, Poland
DIP DOS
1989
Operating system for the Atari Portfolio.
Atari Portfolio
DIP, Canada
-
DIPS-0
1970
Operating system for the DIPS Time-Sharing System (TSS) of NTT.
-
NTT, Japan
DIPS-0 BASIC
1969
Was the first prototype system of the DIPS series.
Hitachi HITAC 8400
NTT, Japan
-
DIPS-100 (6 versions)
1969
Operating system for the DIPS Time-Sharing System (TSS) of NTT.
-
NTT, Japan
-
DISPAK
1971
Dispetcher Paketov. Operating system for the BESM-6 computer. Used in Atomic research.
BESM-6
ITMiVT RAS, Russia
Distortos
2000s
Object-oriented C++ RTOS for microcontrollers.
ARM
-
DISTOS
1970s
Distributed OS for a network of 68000s.
68000
USA
-
DISTRIX
1989
Message-based distributed version of Unix.
-
University of Cape Town, USA
-
DJS200/XT1
1978c
Operating system for the Chinese DJS210 and DJS220. Multiprogrammed and deadlock-free.
DJS-210 & DJS-220
China
-
DMERT
1980s
Duplex Multi Environment Real Time. Operating system for the AT&T 3B20D telephone switching minicomputer, designed for high availability. DMERT was later renamed Unix RTR (Real-Time Reliable).
AT&T 3B20D
Bell Labs, USA
-
DMS (1) (1 versions)
1960s
Disk Monitor System. Single-task batch-oriented system.
IBM 1130
IBM, USA
DMS (2)
1974<
Disk Monitor System for General Automation System 18/30.
General Automation System 18/30
USA
-
DMS (3)
1986
Disk Management System.
-
AT&T, USA
-
DNA-OS
2000s
Kernel-mode lightweight operating system for Multiprocessor System on a Chip developped to supersede MutekA.
ARM, MIPS, Sparc V8
France
DNEPR-2
1972
Time-sharing operating system for the DNEPR-2.
DNEPR-2
Russia
-
DNIX
1983
Unix-like real-time operating system.
68000
Dataindustrier, Sweden
DNOS (1)
1973>
Distributed Network Operating System. General purpose, multitasking operating system designed to operate with the Texas Instruments 990/10, 990/10A and 990/12 minicomputers.
TI-990
Texas Instruments, USA
DNOS (2)
1980s
Operating system for NCR computers.
NCR computers
USA
-
DNS
1970s
Distributed Network System. The operating system of the DSA Datanet processor.
Bull Datanet
-
-
dnx RTOS
2000s
Small general purpose real-time operating system based on the FreeRTOS kernel.
ARM Cortex-M3, STM32
Daniel Zorychta, Poland
Dolphin
1990s
Robust, reliable, fast multi-tasking operating system. Highly configurable to the user's needs.
IBM PC compatibles
Samuel A. Falvo II, Portugal
Domain/OS (9 versions)
1981
One of the first network-based systems. Run on Apollo/Domain hardware. Later bought by Hewlett-Packard.
Appollo, Domain workstations
Apollo Computer, USA
DoOrS
2000s
Operating system created for educational purposes.
-
A.Baranovskis, A.Ruckij, V.Birbilas, Lituania
DOS (1)
1960s
Disk Operating System for RCA Spectra 70 series.
RCA Spectra 70 series
USA
-
DOS (2) (8 versions)
1970s
Family of disk operating systems.
-
-
DOS (3)
1972<
Disk Operating System.
Interdata, Lockheed computers, HP-2100; Datapoint 1100, 2200, 5500, DEC PDP-11; Prime 100,200,300, Four-Phase System IV, GEC Computers, Computer Automation computers
USA
-
DOS 3.3
1980s
Standard OS for Apple II Computers.
Apple II
Apple, USA
-
DOS (4)
1970s
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.
i808x/i80x86
DataPoint, USA
-
DOS (5)
1970s
Disk Operating System. For real-time systems, providing a filesystem and swapping facilities.
GEC 4000 series
GEC Computers, UK
DOS Plus
1985
Single-user, multi-tasking system derived from Concurrent DOS 4.1 – 5.0.
-
Digital Research, USA
DOS/360 (1 versions)
1966
Operating system for IBM Mainframes.
IBM System/360, System/370, and successors
IBM, USA
DOS ES (2 versions)
1970s
Operating system for RIAD ES computers.
RIAD ES computers
Russia
DOS KP (1 versions)
1980s
RSTS/E-like soviet operating system.
SM-4, SM-1420, SM-1600
Russia
-
DOS RVR (1 versions)
1980s
RSX-11M-like soviet operating system.
-
Russia
-
DOS/VS
1972
Successor to DOS/360. First DOS offered on System/370 systems, provided virtual storage.
IBM System/370
IBM, USA
DOS/VSE
1980s
Virtual Storage Extended. Also known as VSE, upgrade of DOS/VS, up to 14 fixed size processing partitions.
IBM 43XX
IBM, USA
DOS-11 (1 versions)
1970
See DEC BATCH-11/DOS-11.
DEC PDP-11
IBM, USA
-
DOS-15
1974<
Disk OS for DEC PDP-15.
DEC PDP-15
USA
-
DOS-16
1985c
MS-DOS-like Soviet operating system for the ES-1840 computer. Commands are in English and Russian.
ES-1840
Russia
-
DOS-99
1970s
Single User operating system for the GRI-99 Minicomputer.
GRI-99
GRI, USA
-
DOS-2314
1966c
Disk operating systems for 2314 Disk Access Strorage.
IBM mainframes
IBM, USA
-
DOSB10
1993c
Disk operating system. The command line language is also similar to RT-11.
Elektronika BK-0010
A. I. Vinnichenko, Russia
DOS-C
2000s
MS-DOS compatible operating system with the original FreeDOS kernel.
x86
Pascquale Villani, Italy
DOS-KP
1970s
Universal multi-program multi-user OS for SMEP computers.
SMEP
Russia
-
DOS-MVS
1970s
OS for SMEP computers.
SMEP
Russia
-
DOS-MYS
1970s
OS for SMEP computers.
SMEP
Russia
-
DOS-RV
1970s
Diskovaja operativnaja sistema realnovo vremeni. Real-time universal multi-program multi-user OS fpr SMEP computers. RSX-11 clone.
SMEP
Russia
-
DOSIX
1970s
?
-
Russia
-
DOSPLUS
1981<
Operating system for the Tandy TRS-80. Substantial extension of TRSDOS, including support for double density disks.
Tandy TRS-80
Micro Systems Software, USA
-
DPCX
1978
Distributed Processing Control eXecutive. operating system for the IBM 8100 small computer system. written in the PL/S-like PL/DS language.
IBM 8100
IBM, USA
DPPX
1980s
Distributed Processing Programming Executive. operating system introduced by IBM, pre-installed on the IBM 8100 and later ported to the ES/9370.
IBM 8100, ES/9370
IBM, USA
DP-UX
1994
Operating system for RX7000 series of Solutions Servers.
Mitsubishi RX7000
Mitusbishi, Japan
DPS (3 versions)
1977
Multitask version of AOS.
Mitusbishi MELCOM 80
Mitusbishi, Japan
DPS10
1982
Operating for MELCOM 80 office computers. Groundbreaking operating system for its time. Based on the process management, memory management, file system, and other kernel operations of UNIX System II.
Mitsubishi MELCOM 80 OFFICELAND models 500
Mitusbishi, Japan
DragonFly BSD (23 versions)
2004
Free and open-source Unix-like operating system forked from FreeBSD 4.8.
-
-
DR-DOS (6 versions)
1988
Single-user, single-tasking native DOS derived from Concurrent DOS 6.0.
x86
Digital Research, Caldera, Devicelogics, USA
DRM System
1980s
UNIX-Compatible system for 68000.
68000
-
-
DR-WebSpyder (1 versions)
1997
DOS web browser, mail client and operating system environment that was based on the DR-DOS operating system from Novell and the Arachne web browser by Michal Polák of xChaos software.
-
Caldera, USA
DRYOS (1 versions)
2007
Real-time operating system made by Canon and is used in their latest digital cameras and camcorders.
Digital cameras
Canon, Japan
DSC
1972
Network operating system.
-
D.J. Farber, K.C. Larson, USA
-
DSM-11
1970s
Database oriented operating system for MUMPS applications on the PDP-11 and VAX.
DEC PDP-11 and VAX
DEC, USA
-
DSOS
1975
Deep Six Operating System. Was a real-time operating system (sometimes referred to as an operating system kernel) developed by Texas Instruments' Geophysical Services division (GSI).
TI-980A minicomputer
Texas Instruments, USA
DSP/BIOS
1985
Embedded tools ecosystem created and offered by Texas Instruments (TI) for use in a wide range of their embedded processors.
Mostly Texas Instruments C2800, C5500, C6000 and OMAP DSP cores, TI-RTOS
Texas Instruments, USA
DSPnano
1996
RTOS 8/16 Bit Ultra Tiny Embedded Linux Compatible RTOS.
Microchip PIC microcontroller, Renesas M16C, ARM
RoweBots, USA
DSU
1970s
Data Secure Unix. A Security kernel for Unix.
-
UCLA, USA
-
DTSS
1964
Dartmouth Time-Sharing System. Timesharing with the BASIC language for liberal arts students, on a novel 2-computer system (GE-235 + Datanet 30).
GE computers
Dartmouth College, USA
-
DUBNA
1970
System monitor for the BESM computers. Emproved version of D-68. Developped by specialists from the Institute of Atomic Energy. I. V. Kurchatov and the JINR Member States (GDR, Hungary, North Korea).
BESM-6
Ural. Sci. Center (JINR in Dubna), Russia
DuinOS
2000s
Small multithreading real time operating system (RTOS), based on the FreeRTOS kernel, for Arduino compatible boards.
AVR (Arduino)
Robot Group, Argentina
DUNIX
1988c
Distributed version of UNIX.
-
Bell Labs, USA
-
DX10
1973>
General purpose, multitasking operating system designed to operate with the Texas Instruments 990/10, 990/10A and 990/12 minicomputers using the memory mapping feature.
TI-990
Texas Instruments, USA
DX-DOS
1996c
Simplest operating system for the Soviet personal computers BK-0010. Very close to MS-DOS.
Elektronika BK-0010
A. V. Khramtsov, Russia
Dynacube Operating System
2000s
Full fledged open source, x86 based, 32bit Protected mode, multitasking operating system.
-
-
-
DYNIX (1 versions)
1984
DYNamic UnIX. Unix-like operating system developed by Sequent Computer Systems, based on 4.2BSD and modified to run on Intel-based symmetric multiprocessor hardware.
-
Sequent Computer Systems, USA
Dyson
2010s
General-purpose operating system. Debian derivative using the illumos kernel, libc, and SMF init system (formerly OpenSolaris).
x86-64
France


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