z/OS REXX Programming Workshop - ES52G

z/OS REXX Programming Workshop - ES52G


This is an intermediate course for people who need to write and maintain REXX programs in the z/OS system environment.


You should be able to:

  • Code basic Job Control Language statements
  • Code in a programming language
  • Create, alter, and delete data sets using TSO

These skills can be developed by taking:


5 days. Hands on.

Course Objectives

This course is designed to teach you the basic skills required to write programs using the REXX language in z/OS. The course covers the TSO extensions to REXX and interaction with other environments such as the MVS console, running REXX in batch jobs, and compiling REXX.

  • Write programs using the Rexx language
  • Use various data parsing techniques
  • Use built-in Rexx functions
  • Create user-defined internal and external functions and subroutines
  • Issue host commands from within Rexx execs
  • Code programs that read and write data sets
  • Use instructions and commands that manipulate the data stack
  • Use Rexx debugging tools
  • Write error-handling routines

Course Content

Day 1
Unit 1 - Introduction
Unit 2 - Getting started with REXX (part 1)
Lab exercise 1
Unit 2 - Getting started with REXX (part 2)
Lab exercise 2
Unit 3 - Programming in REXX (part 1)

Day 2
Lab exercise 3
Unit 3 - Programming in REXX (part 2)
Lab exercise 4
Unit 4 - Functions and subroutines (part 1)
Lab exercise 5

Day 3
Unit 4 - Functions and subroutines (part 2)
Lab exercise 6
Unit 5 - Debugging and error handling
Lab exercise 7
Unit 6 - Executing host commands
Lab exercise 8

Day 4
Unit 7 - Compound variables and the data stack
Lab exercise 9
Unit 8 - Reading and writing data sets in REXX
Lab exercise 10
Unit 9 - The parse instruction

Day 5
Lab exercise 11
Unit 10 - Using REXX: REXX compiler, REXX in batch, MVS console commands
Lab exercise 12

Virtual Courses

ALL of our courses can be delivered virtually! Our Bath public schedule courses are available as live virtual sessions, using the popular Zoom Virtual Classroom and remote labs. Delegates can test their access at: www.zoom.us/test

Public Courses

There are no upcoming events

On-Site Courses

Can't attend one of our public classes? Booking for multiple people?

All our courses are available on your site! Delivered for your staff, at your premises.

Contact us to find out more...