Introduction to security on IBM z Systems
This chapter provides an introduction to security on IBM z Systems, describes the specifics of IBM z/VM security, and lists the benefits of using an external security manager (ESM), for example, IBM Resource Access Control Facility (RACF) for z/VM.
z/VM stands for IBM z/Architecture® Virtual Machine, and z/VM virtual machines are also referred to as guests, user IDs, or service machines.
With z/Architecture, you have many security features that you can use to secure your applications. However, you do not ...

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