List of operating systems 2

Data General[edit source | editbeta]

• RDOS Real-time Disk Operating System, with variants: RTOS and DOS (not related to PC DOS, MS-DOS etc.)
• 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[edit source | editbeta]

• 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.[edit source | editbeta]

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

Digital Research, Inc.[edit source | editbeta]

• 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

Digital/Tandem Computers/Compaq/HP[edit source | editbeta]

• OS/8
• 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[edit source | editbeta]

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

Fujitsu[edit source | editbeta]

• Towns OS

Google[edit source | editbeta]

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[edit source | editbeta]

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

Heathkit/Zenith Data Systems[edit source | editbeta]

• 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[edit source | editbeta]

• 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[edit source | editbeta]

• Multics
• GCOS