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Operating Systems Database
| Total OS in database (26 December 2024) : 2765 |
| Corresponding OS from query : 32 |
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Name
|
Year
|
Description | Platform | Company | Link |
 Haiku (1 versions) | 2001 | Open source. Inspired by BeOS, under development. Specifically targeting personal computing. | - | - |  |
HC-DOS | 1990s | Operating system for the Soviet personal computers BK-0010. | Elektronika BK-0010 | Russia | |
HDOS | 1978 | Heath Disk OS. Originally written for the H-8, it ran without modification on the H-89. | Heath H8, H-19 and Zenith Z-89 series | Heathkit, Zenith Data Systems, USA | - |
HeartOS | 2008 | HeartOS Posix-based Hard Real-Time Operating System. | x86, PowerPC, ARM | DDC-I, USA | |
HelenOS | 2011 | Research and experimental operating system. Based on a preemptible microkernel design. | IA-32, AMD64, IA-64, ARM, MIPS, PowerPC, SPARC V9 | Charles University in Prague, Czech Republic | |
HELIOS (1) | 1988 | OS developed in Romania for the Felix computers. Probably the the first major OS fully developped in Eastern Europe. | Felix C-256, C-512/1024 | Romania | - |
HeliOS (2) | 1988 | Discontinued Unix-like operating system for parallel computers. | Transputer based systems | Perihelion Software, UK | |
Helium | 2000s | Minimalistic real-time kernel for the HC(S)08 core by Freescale and Atmel AVR. | HCS08, AVR | - | |
Hello | 1990s | Prototype OS in Standard ML. | - | University of Hawaii, USA | - |
HelyOS | 1990s | Adapted XOberon RTOS with the ARM board support package. Written in Oberon. | - | ETHZ, Switzerland | - |
HEP | 1970s | Parallel OS for the HEP MIMD Computer. | HEP MIMD | USA | - |
HES | 1964< | Honeywell Executive System. Operating System for the Honeywell 800. | Honeywell 800 | Honeywell, USA | - |
HetNOS | 1994c | Set of software layers laid over "native" operating systems to provide a distributed programming platform. | - | USA | - |
HITAC OS | 1970 | First-generation Operating System for the HITAC computers. | Hitachi HITAC-1, HITAC-5, HITAC-55 | Hitachi, Japan | |
HITAC 8400 OS | 1960s | Virtual machine system for the Hitac 8400 (RCA Spectra 70/45). | Hitachi HITAC 8400 (RCA Spectra 70/45) | Hitachi, Japan | - |
HI-UX/M | 1987 | UNIX OS that ran on M series hardware. Hitachi developed HI-UX/M by transplanting IN/ix from INTERACTIVE Systems in the United States to the HITAC M series, and adding a number of new functions such as the 4.2 BSD function based on System V release 2 UNIX OS. | Hitachi HITAC M series | Hitachi, Japan | |
hOp | 1990s | Microkernel OS based on the Run Time System (RTS) of GHC, an Haskell implementation. | - | UK | |
Horizon | 2000s | Research Operating System. It is written for the i386 processor family, using C (gcc) and some Assembly (nasm). | - | Francesco Frigo, Italy | |
House | 1990s | Haskell User's Operating System and Environment, research OS written in Haskell and C. | - | - | |
HP webOS | 2010 | Linux kernel-based multitasking operating system for smart devices such as smart TVs and it has been used as a mobile operating system. | - | Hewlett-Packard, USA | |
HP-1000/RTE | 1966 | Real-time computer system first produced by Hewlett Packard in 1966 and discontinued in 2000. | HP-1000 | Hewlett-Packard, USA | |
| HP-UX (3 versions) | 1984 | HP's proprietary implementation of the Unix operating system, based on UNIX System V (initially System III). | HP-9000 and Itanium servers | Hewlett-Packard, USA | |
HTCondor | 2012 | Formerly Condows. Renamed in 2012 after trademark law issues. Open-source high-throughput computing software framework for coarse-grained distributed parallelization of computationally intensive tasks | - | University of Wisconsin–Madison, USA | |
HT-11 | 1978 | Modified version of RT-11. | Heathkit H11 | Heathkit, Zenith Data Systems, USA | - |
Huawey LiteOS | 2015 | Lightweight IoT Operating System for IoT smart terminals. | ARM, x86, RISC-V | Huawey, China | |
Hybridthreads | 2000s | Real-time embedded operating system, that allows programmers to run threads, simultaneously on the CPU and FPGA fabric. | Xilinx Virtex-II Pro ML310, Xilinx Virtex-II Pro XUP | University of Arkansas, USA | |
HYDRA | 1974 | Early (now discontinued) capability-based, object-oriented, microkernel designed to support a wide range of possible operating systems to run on top of it. | C.mmp Research Multiprocessor | Carnegie-Mellon University, USA | |
hyperCOS | 2000s | Brand-new OS designed specially for low-power device, such as Internet-of-Things (IoT). | ARM7, ARM9, Cortex-R, Cortex-M3, Cortex-M4F | socware.net, International | |
(c) epocalc 2018