Apache is far and away the most widely used web server platform in the world. Freely available on the Internet, this versatile server runs on nearly half of the world's existing web sites and is rapidly increasing in market share. With Apache: The Definitive Guide, web administrators new to Apache will come up to speed more quickly than ever before by working through the tutorial demo. Experienced administrators and CGI programmers will find the clear, concise reference sections indispensable, and system programmers interested in customizing their servers will turn immediately to the chapters on the API and Apache modules. Written and reviewed by members of the Apache Group, the core developers of the Apache server, Apache: The Definitive Guide is essential documentation for the world's most popular web server.