Tucson, Arizona-based Artisoft Inc is getting its LANtastic mass-market network operating system into the mass market via a deal with Compudyne Inc, which is to pre-load the thing onto the personal computers it sells through CompUSA stores US-wide: users will be able to create a slotless two-computer network by simply buying serial or parallel cabling; they can also buy LANtastic 2Mbps or Artisoft Ethernet adaptors at the stores to build local networks up to 300 machines; CompUSA Inc operates over 25 large format computer superstores with over 5,000 microcomputer hardware, software and related product lines at rock-bottom discount pricing.