z/OS Facilities

Course details

This classroom course introduces the base elements, optional features, and servers that are provided in z/OS. It focuses on the system service facilities that are provided by the z/OS Base Control Program (BCP). It teaches the students the functions of major software base elements in the management of jobs, tasks, storage, data, and problems. It also addresses how these functions can be affected by the system programmer. Students are introduced to the services provided by the servers which execute in the z/OS environments, such as the Communications Server and the Security Server. Installation packaging options and steps to install the z/OS environments also are introduced.

Objectives:

• Describe the system initialization process of the z/OS operating systems
• State the differences between an address space, data space, and hyperspace
• Describe the process of translating a virtual address to a real address
• Explain the difference between paging and swapping
• Define a z/OS task
• Describe dispatching, interrupt processing, supervisor calls, cross memory services, and serialization
• Describe the purpose of the Job Entry Subsystem (JES)
• Illustrate the flow of a job through the z/OS environment
• Describe the allocation process for data sets in the z/OS environments
• Illustrate how an I/O request is processed in a z/OS environment
• Describe how workload management is accomplished in a z/OS environment
• Explain the z/OS recovery processes and list available Problem Determination Tools
• Describe z/OS storage management concepts
• Describe the UNIX System Services functions provided in the z/OS environments
• Explain the network topologies and protocol support provided in z/OS
• Describe system security and network security for a z/OS environment
• Create a high-level plan for the installation and configuration of a z/OS environment