FAQs, Help, and Tutorials

CGI Scripts in REXX and Perl
A guide by Les Cottrell.
http://www-slac.slac.stanford.edu/slac/www/resource/how-to-use/cgi-rexx/

IBM BookManager BookServer Library
All IBM Rexx manuals and redbooks.
http://publib.boulder.ibm.com/cgi-bin/bookmgr/FINDBOOK?filter=rexx

IBM Redbooks
Search results for REXX.
http://publib-b.boulder.ibm.com/cgi-bin/searchsite.cgi?query=rexx

Jim Barry's Rexx Tutor
Base on author training course at Computer Associates Training centre in Slough.
http://www.kyla.co.uk/other/rexx1.htm

Kilowatt Software: Classic Rexx Tutorial
Detailed language introduction.
http://www.kilowattsoftware.com/tutorial/rexx/

Rex Swain's REXX Summary
Summary of REXX Functions, Syntax, Symbols, Operators, and Instructions
http://www.rexswain.com/rexx.html

SAA CPI REXX Level 2 Reference
Old manual defining Rexx in the context of Systems Application Architecture.
http://publibz.boulder.ibm.com/cgi-bin/bookmgr_OS390/BOOKS/E04A2A01/CCONTENTS

Six Rules of Thumb for Rexx
This article gives six "rules of thumb" that should help get started in REXX if you already know C or Pascal (or, really, any of the children of Algol).
http://www.uic.edu/depts/accc/software/regina/rexxrule.html