6 links
CGI Made Really Easy
jmarshall.com
Very basic introduction to what CGI is. Designed for programmers.
CGI Tutorial
expertwebinstalls.com
A free online book on CGI database programming with Perl by David Nelson.
Freeware and tutorials for web development on IBM e-server iSeries 400 (AS/400)
-922.ibm.com
Free CGI development kit and tutorials for AS/400 RPG and COBOL, plus other utilities for the Web.
Introduction to Web Programming
dvl.internet.com
A four half-day free course covering the basics of Web Programming , CGI and both basic and advanced Java .
Setting up CGI and interactivity in your web site
macronimous.com
Tutorial helps the reader to configure CGI scripts in web server both in NT or Linux/unix servers in easy steps.