RISC OS

E356803
ARM-based operating system graphical operating system operating system

RISC OS is a graphical, ARM-based operating system originally created for Acorn's Archimedes computers, known for its efficiency and distinctive desktop environment.

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All labels observed (6)

Label Occurrences
RISC OS canonical 6
RISC OS family 2
RISC OS 2 1

Statements (60)

Predicate Object
instanceOf ARM-based operating system ⓘ
graphical operating system ⓘ
operating system ⓘ
architecture ARM ⓘ
ARMv3 ⓘ
surface form: ARMv2

ARMv3 ⓘ
ARMv4 ⓘ
ARMv5 architecture ⓘ
surface form: ARMv5

ARMv6 architecture family ⓘ
surface form: ARMv6

ARMv7-A architecture ⓘ
surface form: ARMv7

ARMv8-A ⓘ
surface form: ARMv8-A (32-bit mode)
countryOfOrigin United Kingdom ⓘ
developer Acorn Computers ⓘ
Castle Technology ⓘ
RISC OS Open Limited ⓘ
RISCOS Ltd ⓘ
fileSystem hierarchical file system ⓘ
fileSystemFeature no filename extensions by default ⓘ
three-letter filetype metadata ⓘ
hasComponent Desktop filer ⓘ
FileCore ⓘ
Font Manager ⓘ
Task Manager ⓘ
Window Manager ⓘ
initialReleaseYear 1987 ⓘ
kernelType monolithic kernel ⓘ
license proprietary ⓘ
shared source (RISC OS Open distribution) ⓘ
notableFeature ROM-based operating system ⓘ
cooperative multitasking ⓘ
drag-and-drop saving between applications ⓘ
font manager with anti-aliased fonts ⓘ
high efficiency on low-spec hardware ⓘ
icon bar at bottom of screen ⓘ
notableFor distinctive desktop environment ⓘ
use in UK education market in 1990s ⓘ
openSourceStatus partially open source ⓘ
operatingSystemFamily RISC OS self-linksurface differs ⓘ
surface form: RISC OS family
originallyDevelopedFor Acorn Archimedes ⓘ
originalName Arthur ⓘ
predecessor Arthur ⓘ
programmingLanguage ARM assembly language ⓘ
C ⓘ
supports ARM code modules ⓘ
BBC BASIC ⓘ
TCP/IP stack ⓘ
networking ⓘ
targetHardware Acorn A5000 ⓘ
surface form: Acorn A-series computers

Acorn A7000 ⓘ
Acorn Archimedes ⓘ
Risc PC ⓘ
surface form: Acorn Risc PC

BeagleBoard ⓘ
Iyonix PC ⓘ
Pandaboard ⓘ
Raspberry Pi ⓘ
Titanium motherboard ⓘ
userInterface Icon bar desktop ⓘ
WIMP desktop ⓘ
website https://www.riscos.com/ ⓘ
https://www.riscosopen.org/ ⓘ

Referenced by (12)

Full triples — surface form annotated when it differs from this entity's canonical label.

Acorn Computers → operatingSystemDeveloped → RISC OS ⓘ
BBC BASIC → usedOn → RISC OS ⓘ
Acorn Archimedes → operatingSystem → RISC OS ⓘ
Acorn Archimedes → guiEnvironment → RISC OS ⓘ
this entity surface form: RISC OS desktop
Risc PC → operatingSystem → RISC OS ⓘ
Risc PC → supportsOperatingSystem → RISC OS ⓘ
this entity surface form: RISC OS 3
Risc PC → supportsOperatingSystem → RISC OS ⓘ
this entity surface form: RISC OS 4
Acorn Archimedes in 1987 → operatingSystem → RISC OS ⓘ
subject surface form: Acorn Archimedes
Arthur → operatingSystemFamily → RISC OS ⓘ
this entity surface form: RISC OS family
Arthur → successor → RISC OS ⓘ
Arthur → replacedBy → RISC OS ⓘ
this entity surface form: RISC OS 2
RISC OS → operatingSystemFamily → RISC OS self-linksurface differs ⓘ
this entity surface form: RISC OS family