(OSF) A foundation created by nine computer vendors, (Apollo, DEC, Hewlett-Packard, IBM, Bull, Nixdorf, Philips, Siemens and Hitachi) to promote "Open Computing".It is planned that common operating systems and interfaces, based on developments of Unix and the {X Window System} will be forthcoming for a wide range of different hardware architectures.OSF announced the release of the industry' s first open operating system - OSF/1 on 23 October 1990.(1994-11-23)