1Introduction

1.1Users of this book

This book has been comprised for ISPF users with programming skills. You will learn how to insert and use your own functions in the ISPF using the procedure language REXX together with ISPF programming facilities.

1.2The significance of the REXX programming language in z/OS

Michael Cowlishaw and his team developed REXX in 1979 at the IBM laboratory in Hursley GB for the mainframe operating system MVS. Since this time many z/OS applications using the programming language REXX have been developed in IBM labs worldwide. Almost all of these applications run under the control of ISPF. This shows that IBM to the programming language REXX attaches great importance.

Other REXX implementations:

REXX is now available ...

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