"Most Linux users know how easily they can run a Web server on their favorite distros. Unfortunately, serving pages is one thing--finding them is another. That's when many users turn to ht://Dig.
"ht://Dig is more than a simple search script for a Web site. It combines a powerful collection of command-line search utilities with an easy-to-use CGI script. Properly configured, they work together to form a robust, extensible search engine for a domain or intranet.