Comprehensive REXX Programming for z/OS

This course is designed to enable the attendee to create, execute, debug and modify programs in the REXX programming language. The course includes execution under MVS, both from TSO/E and non-TSO/E address spaces. Comparisons to similar CLIST capabilities are provided where reasonable. Quizzes and labs are used to reinforce presented topics. solutions in a rapid manner, assisting in a one on one fashion with the more complicated aspects of the local environment. All instructors have extensive backgrounds in providing solutions to the systems needs of corporate clients and possess a diversity of skills, experience and industry contacts.
Students should have a basic understanding of the data center environment as a prerequisite for this course.
5 Days/Lecture & Lab
This course is designed for Data Center technical support and programming staff.
  • REXX Overview
  • First REXX Procedure
  • Running REXX
  • Expressions and Operators
  • REXX Variables
  • REXX Keywords
  • Calling and Writing Subroutines and Functions
  • Built-in Functions
  • More Keyword Instructions
  • TSO/E Specific Built-In Functions
  • File I/O
  • NetView REXX
  • Using REXX with z/OS UNIX System Services
  • Rexx and ISPF
  • DB2 and REXX
  • REXX and CICS
  • VSAM and REXX
  • Advanced REXX Topics: The Stack & PARSE
  • SAS and REXX
  • IBM REXX Compiler
  • REXX and Pro/JCL
  • Web CGI Programming in REXX
  • TCP/IP Socket Programming in REXX
  • Open Object REXX Built-In Functions
  • REXX and SDSF

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