Definition

Rexx

Also see NetRexx, a language that combines ideas from Java and Rexx.

Rexx is an interpreted script language developed by IBM originally for use by personal users of large operating systems. It was designed for ease of learning and use and to make programming accessible to non-programmers. It offers powerful character-manipulation, automatic data typing, manipulation of words, numbers, and names, and debugging capabilities.

REXX can be compared with these interpreted script languages:

Visual Basic
Netscape's JavaScript
Sun Microsystem Tcl
Larry Wall's Perl

In general, script languages are easier and faster to code in than the more structured, compiled languages such as C and C++ and are ideal for programs of very limited capability or that can reuse and tie together existing compiled programs.

This was last updated in November 2005

Continue Reading About Rexx

IBM has a Web site about Rexx.

Dig Deeper on IBM system z and mainframe systems

shell script A shell script is a text file that contains a sequence of commands for a UNIX-based operating system.

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