* To learn I4GL, refer to Informix manuals for Informix-4GL version 7.3 ( http://www.informix.com or direct links to Informix 4GL by example,Informix 4GL Concepts and Use, Informix 4GL Reference Manual - please remember that exact locations can change, and if they do, use the search function on the Informix web site to find new locations of this documents), and third-party books.

* To learn about A4GL extensions, read this manual

* To get some idea about what I4GL looks like, and to get some idea about combined I4GL and A4GL functionality, continue reading this page

* To get 4GL code examples, go to http://www.informix.com/idn and look for the Example application, or download one of GNU 4GL programs from http://www.falout.com