Informatics A versatile, non-proprietary open operating system, which is the industry standard for mainframes, work stations and servers on the Internet, written in C programming language. See OS X. Cf MacOS, Windows.
Alongside this development, the AT&T version of UNIX became the basis for a different standard, the System V Interface Definition ("SVID"), which attempted to standardize a set of functions similar but not identical to the /usr/group and POSIX standards.
To accomplish this, we collect objects and subjects into classes;(2) in fact, collecting subjects into groups is done in many access list schemes and is essential for POSIX compliance, as this security standard externalizes the concept of user groups [ISO 1991].
"Digital's commitment to support Windows NT, OSF/1 and Open VMS on its new Alpha AXP line of computers, along with Microsoft's commitment to automation standards such as POSIX, makes Windows NT an extremely attractive option for the Data Research workstation product," said Michael J.