IRIX
IRIX 6.5 desktop | |
| Developer | Silicon Graphics |
|---|---|
| OS family | Unix (SVR3/SVR4) |
| Working state | Historic as of December 2013 |
| Source model | Closed source |
| Initial release | 1988 |
| Final release | 6.5.30 / 16 August 2006 |
| Marketing target | Workstations, servers |
| Platforms | MIPS |
| Kernel type | Monolithic kernel |
| Userland | POSIX |
| Default user interface | IRIX Interactive Desktop |
| License | Proprietary |
IRIX (/ˈaɪrɪks/, EYE-ricks) is a discontinued operating system developed by Silicon Graphics (SGI) to run on the company's proprietary MIPS workstations and servers. It is based on UNIX System V with BSD extensions. In IRIX, SGI originated the XFS file system and the industry-standard OpenGL graphics API.