The category of the script is actually simple: To list environment variables. However this script does more than that: Listing environment variables, describing the function of each variable, listing installed perl modules and showing perl information. This is done in a stylish way using the default colors of the popular UBB software. To install: Modify perl path in the script if necessary; Put the script in cgi-bin directory' CHMOD it to 755; Run it! http://URL/info.cgi.