Source : Free On-Line Dictionary of Computing

System V
     
        1. The other major versions of the {Unix} {operating system}
        apart from {BSD}.  Developed by {AT&T}.  Later versions of
        Unix such as {SunOS} combined the best features of {System V}
        and {BSD} Unix.
     
        (1994-10-31)
     
        [Differences?]
     
        2. A supplier of {Unix} {open system}s for {Intel x86}
        processors.  They supply products from {SCO} and {Solaris} and
        offer general support for {Unix}, {TCP/IP}, and {Internet}.
        They serve and create third-party {WWW} pages and provide
        on-line support for commercial and non-commercial applications.
     
        {(http://www.systemv.com/)}.
     
        See also {System V Interface Definition}.
     
        (1994-12-12)