TSO REXX Programming in z/OS - Topical Outline

Day One

Introduction
    Review of TSO LOGON command and parameters
    TMP - The Terminal Monitor Program
    Basic TSO commands: SEND, LISTBC, TIME, PROFILE, HELP, LOGOFF
    Computer Exercise: A First Encounter With TSO

REXX - Restructured Extended Executor
    Basic concepts and terms
    Basic REXX Instructions: SAY, PULL
    TSO EXEC command
    Computer Exercise: A First EXEC

RC - Return Code special variable
Assignment Instruction
Built-in Functions
Numerics Issues
TSO/E Functions
The Data Stack
    Computer Exercise: Assignments, Functions, and The Stack

Day Two

REXX PARSEing Capabilities
    Computer Exercise: Parsing

Clearing the Screen
TSO Commands: LISTCAT, LISTDS
More built-in functions
REXX Instructions: IF-THEN-ELSE, LEAVE, ITERATE, DO-Sequences, SELECT
Logic structures in REXX
    Computer Exercise: The TSOUTIL EXEC

Debugging and TRACE
TSO Commands for working with files:
    ALLOCATE, FREE, LISTALC, ALTLIB, RENAME, REPRO, DELETE,
    DEFINE CLUSTER
    Computer Exercise: Creating Data

Day Three

SMS - Storage Management Subsystem
More TSO Commands: ALTER, PRINTDS, PRINT, SMCOPY
    Computer Exercise: Printing and Copying

LISTDSI TSO/E Function
    Computer Exercise: The RENFILES EXEC

TSO/E EXECIO Command
Buffers and Stacks
    Computer Exercise: The LISTEX EXEC

Compound Symbols and Stems
    Computer Exercise: Compound Symbols

Day Four

Additional REXX Instructions and Functions
REXX Subroutines and User-Written Functions
    Computer Exercise: Subroutines

Error Handling and Condition Traps
More Built-in Functions
Trapping Output from a command
    Computer Exercise: Strings and Words

Day Five

Arithmetic, Conversion, and Boolean Built-in Functions
Running programs in Foreground
    TSO CALL Command
    TSOLIB Command
    Computer Exercise: Running a Program in the Foreground

Running jobs in the Background
    TSO Commands: SUBMIT, STATUS, CANCEL, OUTPUT
    Running EXECs in the batch
    Computer Exercise: Running EXECs in the Batch

Host environments and the Dialog Manager
TSO TRANSMIT and RECEIVE Commands
    LOG and NAMES datasets

[Level 2 REXX Components]

[The REXX compiler]

Course information: A-750 / 5 Days         These Materials © Copyright 2008 by Steven H. Comstock   V2.x

Course Objectives
Course description
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this page last updated: 25 August, 2008
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