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  • Virtual Software Systems, Inc
    Virtual Software Systems, Inc
    770.781.3200
    7715 Browns Bridge Rd, 30506-4024  Gainesville

    VSSI was formed in 1978 to develop extensions to VM/370 that would support the IBM Transaction Processing Facility (TPF). The first product developed, Virtual PARS (VPARS) , is a shadow database facility that allows multiple VM guests to run TPF from a common base system. Over 90% of IBM's licensed…