Audience:

• Rexx tutorial will be useful for anyone, be in a student, a software Engineer or anyone who is serious towards mastering the Rexx in Mainframe.

• This Rexx tutorial will be helpful for Mainframe application program / Mainframe system programmer, to make them comfortable in getting started with (Rexx) Restructured Extended Executor and its various functions.

Pre-requisites:

There are no prerequisites for this Rexx tutorial. But you should have some knowledge of IBM Mainframe with z/OS Commands and Panels.

Would you like to learn TSO/ISPF ? Go to TSO/ISPF Tutorial

Would you like to learn JCL ? Go to JCL Tutorial

Would you like to learn COBOL ? Go to COBOL Tutorial

Would you like to learn VSAM ? Go to VSAM Tutorial

Would you like to learn CICS ? Go to CICS Tutorial

After completing the Rexx tutorial, you will be able to:

• Explain the introduction to REXX.

• Explain General Format of REXX Statements.

• Describe Execution of REXX EXEC.

• Describe Control Statements.

• Explain the Rexx Functions(User Defined & Build-in) and Subroutines(Internal & External).

• Explain Stacks and Queues.

• Handle TSO/E Commands and File Operations.

• Explain ISPF Tables and Panels.

• Db2 Rexx Connect Concepts

• Rexx Macro - ISREDIT

• ISPF/PDS Macro Commands with examples

• Rexx Skeleton and File Tailoring Services

• Rexx Debugging Facilities

• Rexx Interpret Commands

• Rexx Skeleton Examples

Topics covered in Rexx Tutorial:

1. Introduction To Rexx
2. Basics Of Rexx
3. Terminal Input And Output
4. Execution Of Rexx
5. Rexx Operators
6. Rexx Conditional Instructions
7. Rexx Looping Instructions
8. Rexx Interrupt Instructions
9. Rexx User Defined Functions
10. Rexx Build-in Functions
11. Internal And External Subroutines
12. Functions Versus Subroutines
13. Stacks And Queues
14. TSO/E Commands
15. Rexx File Operations
16. Rexx ISPF Tables
17. Rexx ISPF Panels
18. Db2 Rexx Connect Concepts
19. Rexx Macro Tutorial
20. ISREDIT Macro in Rexx
21. ISPF/PDS Macro Command List With Description
22. ISPF/PDS EDIT Macro Command
23. CANCEL ISPF/PDS EDIT Macro Command
24. FIND ISPF/PDS EDIT Macro Command
25. EXCLUDE ISPF/PDS EDIT Macro Command
26. CHANGE ISPF/PDS EDIT Macro Command
27. DELETE ISPF/PDS EDIT Macro Command
28. CHANGE_COUNTS ISPF/PDS EDIT Macro Command
29. Rexx ISREDIT Macro Example
30. Rexx Skeleton Tutorials
31. Rexx Control Records
32. Rexx File Tailoring Services
33. Rexx Debugging Facilities
34. Rexx Special Variables For Debugging
35. Invoking Skeletons From Rexx
36. Rexx Interpret Commands
37. Rexx Skeleton Examples