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GL2-W for IRIS 2000 series

From Higher Intellect Vintage Wiki

IRIS 2000 machines (Motorola 68010 processor) run GL2-W2.x If your machine is a Turbo (68020 processor) use the IRIS 3000 UNIX.

Prior to the release of IRIX, workstations from SGI ran a version of UNIX based on a UniPress port of System III to the 68000 family of CPUs, with numerous extensions and additions.