(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)