Compex Inc which makes Ethernet and ARCnet interface boards in Anaheim, California, has a new entry-level peer-to-peer network operating system, ReadyLink, which is claimed to support most standard ARCnet, Ethernet or Token Ring adaptor boards that have a Novell NetWare driver: it is NetBIOS-compatible, supports personal computers running MS-DOS 3.1 up and costs $500 for a two-user starter kit, software, hardware and cabling, now; additional users can be added for $100 apiece.