REXX is now available on most platforms. On UNIX Regina REXX is common, on Windows Object Oriented REXX is preferred. While these platforms support a number of alternative scripting languages (see links) on the mainframe REXX remains supreme.

REXX is a powerful scripting language (its statements are processed at run time, albeit tokenized versions of those statements) that can also be compiled if performance becomes a greater issue than flexibility. A powerful scripting language can be incredibly useful for simplifying daily chores, however, care must be taken with resources when choosing REXX for the operational environment.

We at Synesis have experience with REXX at many levels: