ARX (operating system)

From Free net encyclopedia

ARX was a Unix-like operating system written in Modula-2 developed by Acorn Computers Ltd in the UK and at the Acorn Research Centre (ARC) at Palo Alto for their new ARM RISC processors. It was a pre-emptive multitasking, multithreading, multi-user operating system. It was not finished in time to be fitted to the Archimedes range of computers, which shipped in 1987 with the Arthur operating system, which was later superseded by RISC OS.

The Acorn Research Centre was later bought out by Olivetti.

External links

• A Usenet post to comp.sys.acorn by Bruce Cockburn detailing the relationship between ARX and Modula-2
• A collection of Usenet posts detailing why ARX was abandoned for RISC OS

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