CLIST – Basics
The CLIST Basics course introduces the Command LIST (CLIST) interpreted language for the z/OS environment. It examines the commands and statements used by the CLIST language. It also shows how it can be used in conjunction with TSO commands and facilities to assist the general operations of z/OS.
Operations, system programmers, and application programming personnel requiring an introduction to CLISTs.
Knowledge of the z/OS operating system and TSO/ISPF
- After completing this course, the student will be able to:
- Describe what CLIST is and how it is used in a z/OS environment
- Describe how to create and execute a CLIST
- Use PROC, WRITE, READ, SET statements to code basic CLISTs
- Code conditional and selection statements using IF-THEN-ELSE, SELECT, and GOTO statements
- Use DO-WHILE-END and DO-UNTIL-END statements to code loops
Introduction to CLIST and Coding Fundamentals
What is CLIST?
CLIST verses REXX
How to Create a CLIST
CLIST Statements, Delimiters, and Continuations
CLIST Formatting, Comments, and Labels
Using TSO/E Commands, and JCL in CLISTs
Using Operators and Expressions
Keyword Names and Symbolic Variables
Coding Basic CLISTs
PROC, WRITE, READ and SET Statements
Coding IF-THEN-ELSE Statements
The SELECT Statement
DO-Sequences and Loops