The SGI version of the UNIX operating system.

Silicon Graphics Incorporated version of the Unix operating system. JCL Job Control language. A collection of machine-specific commands for controlling jobs. Kermit File transfer protocol that supports Even-Parity 7-bit communications.

SGI's version of UNIX, a System V variant

the UNIX operating system which runs on SGI computers

The first commercially available, mainstream UNIX operating system to support symmetric multiprocessing (SMP) capabilities. IRIX was also the first UNIX operating systems to support complete 64-bit and 32-bit environment, the first to support advanced ccNUMA scalable features and the first to support advanced realtime and graphics features.

The Silicon Graphics version of the UNIX operating system. See also system software.

IRIX is a computer operating system developed by Silicon Graphics, Inc. (SGI) to run natively on their 32- and 64-bit MIPS architecture workstations and servers. Based on UNIX System V with BSD extensions, it is capable of extremely long uptimes, and its XFS file system is regarded as one of the most advanced journaling file systems in the industry.