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This short paper will address an argument that exists in the WW IT marketplace today and has existed in the marketplace over the last several years. It is an argument between mainframe computing with its z/OS® operating system and distributed server implementations of UNIX® and x86 vendors. The competitors being HP, with its HP-UX operating system, Oracle (Sun) with its Solaris operating system and x86 vendors such as Dell with primarily the Microsoft® Windows® operating system. These vendors also support the Linux® operating system, albeit in a distributed fashion, and with some virtualization techniques such as VMware and Hyper-V.