RISC/OS: Difference between revisions

Latest revision as of 22:40, 20 February 2025

RISC/OS, also known as UMIPS was an early UNIX produced by MIPS Computer Systems, and a predecessor of both 4D1 and IRIX. Unlike GL2, RISC/OS had roots in both BSD and System V. When SGI purchased MIPS, it was succeeded by 4D1-1.x.

Versions

It was referred to as UMIPS between releases 1 through 3. 4.x and onwards were RISC/OS. The final release, based on Release 4 of System V, was released in 1991.

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-RISC/OS was an early UNIX produced by MIPS Computer Systems, and a predecessor of both 4D1 and IRIX. Unlike [[GL2]], RISC/OS was a dual-universe system with both 4.3BSD and System V Release 3 support. It did not support shared libraries. When SGI purchased MIPS, it was succeeded by [[4D1-1.x]]
+'''RISC/OS''', also known as '''UMIPS''' was an early UNIX produced by MIPS Computer Systems, and a predecessor of both 4D1 and IRIX. Unlike [[GL2-3.x|GL2]], RISC/OS had roots in both BSD and System V. When SGI purchased MIPS, it was succeeded by [[4D1-1.x]].
+=== Versions ===
+It was referred to as '''UMIPS''' between releases 1 through 3. 4.x and onwards were RISC/OS. The final release, based on Release 4 of System V, was released in 1991.
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