Operating Systems Database


Total OS in database (26 December 2024) : 2765
Corresponding OS from query : 25

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Name
Year
Description Platform Company Link
K42
2002
Open-source research operating system on PowerPC or x86 based cache-coherent multiprocessor systems.
PowerPC or x86
IBM, USA
-
KallistiOS
2000
Pseudo real-time OS for gaming console.
Sega Dreamcast, Nintendo Gameboy, x86, Sony Playstation
-
KangaroOS
1998c
Operating system implementing multitasking by providing a VM to each process; processes can also have subprocesses that they can schedule at their liking.
-
-
-
Kaspersky OS
2015
Partially POSIX-compatible microkernel operating system.
-
Kapesky Lab, Russia
KDF9 Timesharing Director
1964
Early, fully hardware secured, fully pre-emptive process switching, multi-programming operating system for KDF9.
English Electric KDF9
English Electric, UK
-
K-DOS
1981
An alternative OS to the Atari Disk Operating System (DOS II) for the Atari 400/800.
Atari 400/800
K-Byte, USA
KERNAL
1977
Default OS on Commodore computers.
Commodore 8-bit computers
Commodore, USA
KarmaBSD
2000s
Aka 1FCD-OpBSD. One Floppy OpenBSD MP3 Player.
x86
Juraj Sipos, Slovakia
KeyKOS
1988
Capability-based microkernel for IBM mainframes with automated persistence of app data. The development of KeyKOS started under the name GNOSIS during the 1970s.
IBM System/370
Tymshare, Key Logic, USA
Kithara RTS
2000s
Modular real-time extension for Windows, which combines hardware-dependent programming, communication, automation protocols and image processing into a powerful real-time system.
Windows extension, x86, x86-64, Windows XP-10
Kithara Software, Germany
KML
2001c
Kernel Mode Linux is a Linux OS variant which execute user.
IA-32
Toshiyuki Maeda and Akinori Yonezawa, Japan
KMON
1984
Operating system for the Soviet personal computers BK-0010.
Elektronika BK-0010
P. A. Bandaletov and E. M. Bandaletov, Russia
KMOS
1985c
Kernel of a Multiprocess Operating System. Designed for educational use in conjunction with a textbook.
-
Milenkovic, USA
-
Knewcleus
2002
Microkernel-based real-time OS that aims for POSIX compliance; while open sourced, the people behind it intend to make it a commercial venture and release a packaged version that will include additional things not present in the opensource version.
-
Ralph Gerlich, Germany
KnowOS
1990s
Knowledge Operating System. Project for a dynamic system with persistent objects.
-
-
KolibriOS
2004
Small open source x86 operating system forked off from MenuetOS.
x86
-
KOS (1)
1969<
Kent On-Line System.
ICL 4100
Kent University, UK
-
KOS (2)
1998
Kid Operating System. Small project of developing an OS being worked on by a few French people.
x86
Dimitri Ara, Thomas Petazzoni, France
-
KOS (3)
2000s
Kid Operating System (KOS) - A French operating system project. A modular OS, written in C, with an object oriented driver management. Use protected mode. Lots of documentation on the Web site.
-
-
KRONOS
1970
Kronographic OS. Timesharing OS for CDC 6000 and CYBER computers based on Chippewa. Replaced later by NOS.
CDC 6000 series and successors
Control Data, USA
KSOS
1978c
Kernelized Secure Operating system. UNIX-like OS with a secure kernel.
-
Ford Aerospace, USA
-
Kuo Chia
1990s
IBM PC compatible traditional Chinese operating system running on DOS.
IBM PC compatibles
China/Taiwan
-
KVM
2005>
Kernel-based Virtual Machine. Virtualization infrastructure for the Linux kernel that turns it into a hypervisor.
ARM, IA-64, PowerPC, S/390, x86, x86-64
Qumranet, Open Virtualization Alliance, USA
Kylin
2006
Chines operating system. The first versions were based on FreeBSD and were intended for use by the Chinese military and other government organizations.
-
National University of Defense Technology, China


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