RISC OS
type: Q386724
type: Work
type: Q7397
type: CreativeWork
type: Thing
released: 1987-09-25
source model: Closed source; open source for some versions since 2018
subject: Category:Free software operating systems
subject: Category:ARM operating systems
subject: Category:1987 software
subject: Category:Window-based operating systems
subject: Category:Desktop environments
subject: Category:Acorn Computers operating systems
subject: Category:Software using the Apache license
subject: Category:RISC OS
programmed in: C (programming language)
programmed in: C++
programmed in: BBC BASIC
programmed in: Assembly language
supported platforms: ARM architecture family
working state: Current
marketing target: Acorn personal computers
ui: Graphical user interface
developer: RISC OS Open
developer: Acorn Computers
developer: RISCOS Ltd.
developer: Castle Technology
developer: Acorn Computers Open-source * Castle Technology * RISC OS Open Proprietary * RISCOS Ltd
website: RISCOS
website: RISC OS Open
update model: Flash ROM, OTP ROM, or loadable ROM image
logo: RISC OS.png
language: English
license: Proprietary software
license: Apache License
screenshot: RISC OS 5.30 screenshot.jpg
latest release version: 2024-04-27
latest release version: * 5.30 /
latest release version: * 6.20 /
kernel type: Monolithic kernel
preceded by: Acorn MOS
preceded by: ARX (operating system)
license: Apache License 2.0
license: Proprietary
description: käyttöjärjestelmä @fi
description: Betriebssystem @de
description: sistema operativo @it
description: computerbesturingssysteem @nl
description: système d'exploitation @fr
description: प्रचालन तन्त्र @hi
description: ਆਪਰੇਟਿੰਗ ਸਿਸਟਮ @pa
description: operativsystem @sv
description: sistema operatiu @ca
description: 電腦作業系統 @zh
description: Betribssystem @lb
description: sistem de operare @ro
description: operačný systém @sk
description: ഓപ്പറേറ്റിങ്‌ സിസ്റ്റം @ml
description: system operacyjny @pl
description: operační systém @cs
description: styresystem @da
description: computer operating system
caption: A screenshot of RISC OS 5.30 running on a Raspberry Pi
wordnet type: synset-operating system-noun-1
release date: 1987-09-25
hypernym: Computer
package manager: PackMan, RiscPkg
latest preview version: 5.31