Pertaining to the IBM operating system that includes and integrates functions previously provided by many IBM software products (including the MVS operating system) and (a) is an open, secure operating system for the IBM S/390 family of enterprise servers, (b) complies with industry standards, (c) is Year 2000 ready and enabled for network computing and e-business, and (d) supports technology advances in networking server capability, parallel processing, and object-oriented programming.