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Initializing and Terminating the z/OS System


4 hours


The Initializing and Terminating the z/OS System course describes what actions occur as part of a z/OS system initialization, and then delves into the system data sets and configuration libraries responsible for defining z/OS system characteristics. The final module in this course simulates a z/OS system startup and shutdown, describing the most common commands and operator responses.


Experienced operators and system programmers who require knowledge about managing system initialization


A good understanding of operational concepts or successful completion of Datatrain's z/OS Concepts and Components course.


    After completing this course, the student will be able to identify how the system is initialized by using parameters to designate:
  • System configuration data sets
  • System parameter libraries
  • System parameter lists
  • Termination of the system

Course Content

The System Initialization Process

System Generation Concepts and Roles
Components of the Initialization Process
Identify the Phases of Initialization

Working With System Data Sets

Identifying the purposes of:
System Configuration Data Sets
System Libraries
System Logs
Subsystem Data Sets

Working With System Parameter Lists

Introduction to System Parameter Lists
Specifying System Configuration Data Sets
Specifying Parameter Libraries
Selecting System Parameter Lists

Initializing and Terminating the System

Initializing the System
Displaying IPL Details
Logging On
Starting Tasks
Terminating the System

Initializing and Terminating the z/OS System Mastery Test

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