(REXX, or "System Product Interpreter", originally known as "REX") A scripting language for IBM VM and MVS systems, developed by M. Cowlishaw at IBM ca. 1979, replacing EXEC2.

Versions: PC-Rexx for MS-DOS, AREXX for the Amiga, the OS/2 implementation from IBM, WINREXX (Rexx for Windows, from Quercus systems) and Personal Rexx (Rexx for MS-DOS, from Quercus systems).

See also Regina, freerexx, imc.

REXXWARE is an implementation of REXX for Novell NetWare.

Usenet newsgroup: news:comp.lang.rexx.

["The REXX Language: A Practical Approach to Programming", M.F. Cowlishaw, 1985].