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IBM (z/OS) – z/OS System Initialization & Configuration for Sys Progs 2.5


3 hours



This course provides the systems programmer with a more in-depth view of the z/OS system and covers concepts such as virtual storage, system initialization, and JES2 configuration. and how system data sets and parameters can be modified in response to system issues.


Systems Programmers or other technical specialists requiring background knowledge of the z/OS system.


Successful completion of the IBM (z/OS) – z/OS Systems Programming Basics course, or equivalent knowledge.


After completing this course, the student will be able to:

  • Describe the z/OS initialization process
  • Explain how JES2 can be configured

Course Content

Initializing the z/OS System

Initial Program Load Requirements
Hardware Management Console
IPL Phases
Nucleus Initialization Program
Master Scheduler Initialization

Configuring JES2

JES2 Checkpointing
JES2 Checkpoint Definition
JES2 Spool Data Sets
Defining the JES2 Subsystem
JES2 Catalog Procedure

IBM (z/OS) – z/OS System Initialization & Configuration for Sys Progs 2.5 Mastery Test