Cray Operating System
The Cray Operating System is a Cray Research operating system for its now-discontinued Cray-1 and Cray X-MP supercomputers. It succeeded the Chippewa Operating System, and was the Cray main OS until replaced by UNICOS in the late 1980s. COS was... Wikipedia
Available in: English Language
Initial release: 1975; 49 years ago
Latest release: 1.17.2 / July 1990; 33 years ago
Marketing target: Supercomputers