Restructured EXtended eXecutor definition language
(REXX, or "System Product Interpreter", originally known as "REX") A script
ing language for IBM VM and MVS
systems, developed by M. Cowlishaw at IBM
ca. 1979, replacing EXEC2.
Versions: PC-Rexx for MS-DOS
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
is an implementation of REXX
for Novell NetWare
["The REXX Language: A Practical Approach to Programming", M.F. Cowlishaw, 1985].