z/OS: Job Control Language

Course Overview

This course provides an in-depth look at OS/390 JCL, and an overview of job processing throughout the system, as well as SMS parameters.

Skills Gained

After taking this course the student should be able to:

• Better understand job flow and improve system throughput.
• Diagnose and resolve JCL problems.
• Optimize the use of equipment through proper allocation of resources.
• Improve programmer efficiency and reduce program test time.
• Decrease the number of abended jobs thus making better use of capacity.

Prerequisites

Participants should have a basic understanding of the operating environment and operating systems functions, this may be gained from attending our course z/OS and OS/390 for Beginners, and be familiar with TSO/ISPF which may be gained from our course TSO/ISPF Workshop.

Course Outline

• Operating System History and Terminology
• JCL Syntax
• Statement Types
• Job Statement
• EXEC Statement
• PGM/PROC, COND, PARM, REGION, ACCT, TIME
• IF/THEN ELSE/ENDIF Statement
• Reserved DD Names
• File Concepts
• DISK/TAPE Data Sets
• DSN, DISP, DCB, UNIT, SPACE, VOL, LAVEL, EXPDT, RETPD
• SMS Data Sets