IRIX 6.5.9

IRIX was a operating system created by SGI (Silicon Graphics Inc) that was based off of System V Unix. In addition, this OS had additional BSD elements. It's initial release was in 1988 and was designed to on MIPS processors. IRIX machines were typically used for visual effects in the entertainment industry and in the scientific community for several years after the fall of Amiga in the early 90s.

IRIX was the OS that introduced the XFS file system, used in some Linux distributions.

Product type
Release date
Minimum CPU
MIPS R4000 CPU or better
User interface


Download Name Version Language CPU File type File size
IRIX 6.5.9 Applications August-2000 6.5.9 English MIPS64 CD 545.02MB
IRIX 6.5.9 Overlay 1 of 3 6.5.9 Upgrade English MIPS64 CD 285.32MB
IRIX 6.5.9 Overlay 2 of 3 6.5.9 Upgrade English MIPS64 CD 298.11MB
IRIX 6.5.9 Overlay 3 of 3 6.5.9 Upgrade English MIPS64 CD 565.38MB


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