Information Research Services Updated: 26 January 1998
        OpenVMS/VAX V6 supported the VAX 7000 model 650/660 and VAX 10000 model 650/660 and featured rationalized and enhanced security (level C2 compliance), multiple queue managers across cluster, a HELP/MESSAGE utility, support for ISO 9660 CD-ROM format, Adaptive Pool Management, SYSMAN cluster wide SHUTDOWN and startup logging, cluster wide I/O cache and extended physical and virtual addressing.