Who should attend
This is an intermediate course for people who need to write and maintain Rexx programs in the z/OS system environment.
Prerequisites
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:
- Fundamental System Skills of z/OS (ES10)
 - A programming language course
 
Course Objectives
- 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
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.