Cray Research Inc yesterday launched release 8.0 of its Unicos Unix System V for supercomputers, saying that it adds new features designed to appeal to commercial operating environments, including improved scalable parallel processing, security features and centralised resource management; it also said that its Trusted Unicos is the first system assigned the US Department of Defense red book rating by the US National Security Agency, following a four year-evaluation; Unicos runs on Cray’s full supercomputer line and costs from $150,000.