Environment Variables

[Winglys]

Is there anyway I can learn environment variables from the internet?
Anyone recommend a good tutorial web site for enviroment variables ?
thanks :)

[jeffmott]

http://hoohoo.ncsa.uiuc.edu/cgi/env.html

[pyro]

You can use this to print off the variables that your server supports:

#!/usr/bin/perl

print "Content-type: text/html\n\n";

foreach $env_var (keys %ENV)
{
print "The $env_var variable is: $ENV{$env_var}<br>";
}