RISC OS, the computer operating system developed by Acorn Computers for their ARM-based Acorn Archimedes range, was originally released in 1987 as Arthur...

RISC OS (/rɪsk.oʊˈɛs/) is an operating system designed to run on ARM computers. Originally designed in 1987 by Acorn Computers of England, it was made...

RISC/os is a discontinued UNIX operating system developed by MIPS Computer Systems, Inc. from 1985 to 1992, for their computer workstations and servers...

Berkeley RISC Classic RISC pipeline, early RISC architecture CompactRISC, National Semiconductor family of RISC architectures MIPS RISC/os, a discontinued UNIX...

of the dock in Acorn's RISC OS operating system, and is fundamental to the OS. Its introduction in 1987 (as part of Arthur, the predecessor to RISC OS)...

discussion of the deficiencies of the RISC OS platform's existing web browsers. Shortly after the project's inception, development versions for RISC OS users...

RISC OS Open Limited FAQ". RISC OS Open. Retrieved June 13, 2011. Mellor, Phil (March 23, 2007). "An arbitrary number of possibly influential RISC OS...

1990. LTR 290-785. Retrieved March 26, 2023. "A Brief History of RISC OS", Wakefield RISC OS Computer Club, retrieved November 19, 2011 "EPL Entry CSC-EPL-92/001"...

instruction set computer (RISC) principles. The project commenced in 2010 at the University of California, Berkeley. It transferred to the RISC-V Foundation in...

3BSD, it was initially completed in 1988, a year after Arthur but before RISC OS. It was introduced in the ARM2-based R140 workstation in 1989, followed...

Arm Holdings plc (formerly an acronym for Advanced RISC Machines and originally Acorn RISC Machine) is a British semiconductor and software design company...

In electronics and computer science, a reduced instruction set computer (RISC) (pronounced "risk") is a computer architecture designed to simplify the...

experimental port of the operating system to the RISC-V architecture was released in 2021. Requirements for the minimum amount of RAM for devices running...

computer running RISC OS Adjust32. It was officially unveiled at the 2005 Wakefield Show, and is the second commercial ARM-based RISC OS computer to run...

projects". os-projects.eu. Retrieved November 26, 2023. Lunduke, Bryan (May 8, 2023). "Haiku makes huge progress on RISC-V support". The Lunduke Journal of Technology...

however, multiple CPU support was not available in RISC OS. 64 MHz front-side bus Up to 512 MiB of SDRAM IOMD2 I/O Controller PLX Technology PCI bridge...

Due to the way in which RISC OS has developed slowly since the 1990s (see History of RISC OS) it has not attracted any of the main software companies...

inspired by the user interface of RISC OS (not to be confused with RISC/os). The name "ROX" is derived from "RISC OS on X Window System". Programs can...

as arm, formerly an acronym for Advanced RISC Machines and originally Acorn RISC Machine) is a family of RISC instruction set architectures (ISAs) for...

interpreter. The source code to the RISC OS 5 version of BBC BASIC V has been released under the Apache 2.0 license by RISC OS Open. Amongst the new commands...

XScale processor. It ran RISC OS 5. The Iyonix originated as a secret project by Pace engineers in connection with development of set-top boxes (STBs),[citation...

project to develop the company's RISC machine. Its operating system, code named MICA, was to embody the next generation of design principles and have a compatibility...

apps could be sideloaded on HarmonyOS. The next iteration of HarmonyOS became known as HarmonyOS NEXT. HarmonyOS NEXT was announced on August 4, 2023...

released their own Risc PC compatible design, the Iyonix PC, which was produced until 2008. RISC OS continued beyond the end of the Risc PC in a limited...

the PA-RISC architecture include Linux, OpenBSD, NetBSD, OSF/1, NeXTSTEP, and ChorusOS. An interesting aspect of the PA-RISC line is that most of its generations...

ARM architecture and the RISC OS operating system for it. The architecture part of the business was spun-off as Advanced RISC Machines under a joint venture...

Similar in concept are the application directories used in RISC OS and on the ROX Desktop. Examples of bundles that do not contain executable code include document...

when the RISC PowerPC RS64 64-bit CPU processor replaced the 48-bit CISC processor. OS/400 (now known as IBM i) is the native operating system of the AS/400...

all PowerPC-based versions of the Classic Mac OS. Apple also sold a Mac 68k emulator for SPARC-based (Solaris) and PA-RISC based (HP-UX) systems called...

as a producer of ARM computers and manufactured the Acorn-branded range of desktop computers that run RISC OS. Following the break-up of Acorn in 1998...