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Course Catalog » JCL Curriculum » Job Control Language (JCL) 2.4 Series

JCL (z/OS) - Advanced JCL Data Set Use 2.4

5 hours



The courses presented to date have concentrated on simple sequential and partitioned data sets. In this course you will look at other types of data that can reside on a mainframe, in particular VSAM data sets and z/OS UNIX files and how they can be accessed. You will also see the benefits of creating generation data sets and the JCL code used to create and reference them. The last module concentrates on placing data onto tape, providing some best practices when dealing with this medium.


Operators and programmers who need to know how to code and submit JCL batch jobs.


Completion of the JCL (z/OS) - JCL Coding Basics - DD Statements Interskill course, or appropriate knowledge.


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

  • Code JCL statements to create and reference generation data sets
  • Identify JCL parameters used when dealing with VSAM data sets
  • Access and reference z/OS UNIX files using JCL
  • Describe how tape stores data and how it can be referenced using JCL

Course Content

Accessing and Creating Generations of Data

Generation data set concepts

Accessing an existing Generation Data Set

Building a GDG base entry

Creating a new generation of a data set

Common GDG problems

Version 2 PDSE Generations

Dealing with VSAM Data Sets

Difference between VSAM and other data sets

Referencing an existing VSAM data set

DD statement parameters that can be used when creating VSAM data sets

Common problems when dealing with VSAM data sets

Working with z/OS UNIX Files

Why the need to access z/OS UNIX files?

Accessing an existing z/OS UNIX file

Creating a new z/OS UNIX file

Common z/OS UNIX problems

Working with Tape Data Sets

The need for tapes

Tape data set recording formats

DD statement parameters used when referencing tapes

Common tape handling problems

JCL (z/OS) - Advanced JCL Data Set Use 2.4 Mastery Test

Course Catalog » JCL Curriculum » Job Control Language (JCL) 2.4 Series
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