This class represents either virtual or physical computer systems in the sense of a container inside which an operating system may run. This is the central class of the OS Management data model and aggregates all other resource classes.

The z/OS specific subclass is IBMzOS_ComputerSystem (see IBMzOS_ComputerSystem).

Additional subclasses of CIM_ComputerSystem are implemented by RMF™, namely IBMz_ComputerSystem (LPARs) and IBMz_CEC. Unless RMF is installed or the RMF CIM providers have been set up appropriately, no instances or errors for those classes will be reported, for example by an enumerateInstances operation against class CIM_ComputerSystem. Errors for the classes supported by RMF are only reported when a CIM operation is invoked directly against one of the specific subclasses like IBMz_ComputerSystem.

For further details on classes IBMz_ComputerSystem and IBMz_CEC, see the z/OS® RMF Programmer's Guide.