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RISC OS, frosted — ROMs, desktops and documentation from RISC OS Technologies

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  • h1. RISC OS One Library
  • Guides for RISC OS One, and where to find the RISC OS 5 programmer documentation.
  • Guides for RISC OS One, and the RISC OS 5 manuals.
  • h2. Getting started with RISC OS One
  • * "Downloads":/content/downloads - pick the Frosted ROM for your Raspberry Pi, Iyonix, iMX6 board or Titanium.
  • * The *Frosted theme* ships as a !ThemeDefs package with three wallpapers and !Fonts; merge it with your existing !Boot.
  • * The *Frosted HardDisc4 image* includes PackMan, !PlingStore, ChatCube, StrongED and AcornSSL 1.07.
  • * Keep secure browsing working with the latest "!CA certificates bundle":/content/downloads#ca-bundle.
  • h2. Programmer's Reference Manuals
  • h2. Manuals
  • The RISC OS 5 Programmer's Reference Manuals are published online by RISC OS Open Ltd:
  • "RISC OS 5 Programmer's Reference Manuals":https://www.riscosopen.org/wiki/documentation/show/Programmer's%20Reference%20Manuals
  • * "RISC OS Programmer's Reference Manual 2026 (PDF, 5.5 MB)":/downloads/risc-os-prm-2026.pdf - the complete RISC OS 5 Programmer's Reference Manuals, Reader Edition 2026. It gathers 2,538 entries and 24 local supplements from the "RISC OS Open documentation wiki":https://www.riscosopen.org/wiki/documentation/show/Programmer's%20Reference%20Manuals, which keeps its original owners' rights.
  • * "RISC OS 5.30 User Guide (PDF, 29 MB)":/downloads/risc-os-5.30-user-guide-2026.pdf - the complete user guide, Reader Edition 2026: the desktop, the Filer, configuration, printing and the bundled applications. Copyright Acorn Computers Limited 1996, updates copyright RISC OS Open Ltd 2018-2024, published under the Apache Licence 2.0.
  • h2. Contribute
  • Anyone with an account can add a guide: log in, then edit this page to link a new one.
Revision from September 18, 2026 12:54:33 by RISC OS One?
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Frosted ROMs for Raspberry Pi, Iyonix, iMX6 and Titanium, plus the HardDisc4 image and the Frosted theme.

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Programmer's Reference

Find the RISC OS 5 Programmer's Reference Manuals and RISC OS One guides in Documents.

RISC OS Technologies

RISC OS One is built and maintained by RISC OS Technologies. About us · Contact

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RISC OS is an open source operating system owned by RISC OS Developments Ltd and licensed primarily under the Apache 2.0 licence.

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