CGI Scripts.

What are they?

HTML:

http://www.swiftys.org.uk/hello.html
<H2>Hello <U>world</U>!</H2>
Result:

Hello world!

CGI:

http://www.swiftys.org.uk/cgi-bin/hello.rex
#!/usr/bin/rexx
Say 'Content-type: text/html'
Say
Say '<H2>Hello <U>world</U>!</H2>'
Result:

Hello world!