ocr: HP 500 Software Architecture FIGURE 1 HP500 Winsows Vindons Virtual PC ior UENBS App.2 User #N App.1 TOOIST 10 DOS manage UNX App. Windows Virtual PCfor andPe 31 User #1 AVTOAORS DOS6.2 Virtual PC & Xilier Multiuser SG0UNXOperingssen capability DOS and Windows applications are provided by the customer.