Purpose of this information

This information is designed to help you to customize IBM® z/OS® Language Environment®. The first usage of every term listed in the glossary is indicated by italics. You can find the definitions for these terms in z/OS Language Environment Concepts Guide.

Who should read this information

This information is intended for systems programmers and system administrators who plan to customize Language Environment. To use this information, you need to be familiar with z/OS, the publications that describe your system, and job control language (JCL).