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JES3plus – JES3plus Fundamentals

Duration

3 hours

Overview

This course provides an introduction to the evolution of mainframe processing, which led to the development of the job entry subsystem, JES3plus. Key concepts about JES3plus and how it manages system resources and workflow are covered along with details on who needs to interact with JES3plus regularly.

Audience

Anyone interested in obtaining knowledge about fundamental JES3plus concepts.

Prerequisites

Some basic z/OS and IBM Z hardware knowledge.

Objectives

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

  • Explain how JES3plus evolved
  • Explain Spooling
  • Identify who interacts with JES3plus
  • Identify JES3plus processing phases
  • Describe what JES3plus services are and how they work

Course Content

Introduction to JES3plus

Early Mainframe Processing
Introduction of SPOOL
Differences between JES2 and JES3
Spooling
Job Processing
The Need for JES3plus

Working with JES3plus

Interacting with JES3plus
Job Processing Phases
Job Control Table
Job Scheduling
JES3plus Services

JES3plus Fundamentals Mastery Test