Secure Unix ancestor KSOS did type safety before Rust made it cool

For the first time, the source code of KSOS, backed by the US Department of Defense in the late 1970s and 1980s, is available ...
ZDNet

Microsoft to license SCO Unix code

Microsoft will license the rights to Unix technology from SCO Group, a move that could impact the battle between Windows and Linux in the market for computer operating systems. According to a ...
ZDNet

Microsoft sends message with Unix deal

Microsoft's licensing of rights to Unix technology from the SCO Group lends heavyweight backing to SCO's intellectual-property claims and helps Microsoft combat Linux, a growing marketplace threat to ...
CNET

Microsoft to license SCO's Unix code

The software maker's agreement to license Unix lends weight to SCO Group's legal claims of copyright violation and helps Microsoft do battle with Linux. The software maker's agreement to license Unix ...