1. A computer system comprising: a first subsystem; and a control program that resides and executes in a control subsystem that includes one or more CPU(s) each with an associated memory, wherein the control subsystem is protected by one or more of hardware and firmware from access by programs located in other parts of the system, and at least the associated memory of the control subsystem contains programs and data that constitute information required to manage, supervise, and support the system, wherein the control program further has access to information in a remainder of the system, and an ability to control processes and information in the remainder of the system.