The Apache HTTP Server is a popular Open Source Web server.
This tag should be used for questions specific to version 2.2 of Apache HTTPD. For more general Apache HTTP Server related questions, you should use the Apache tag instead.
Apache is [very well documented] and most functionality is described in detail within this documentation. Specific documentation is available for Version 2.2
If you are asking a question on Server Fault about Virtual Hosts, can you please include the output of either:
depending on your OS. Including this will involve in a much faster answer to your question, as no doubt the first thing people will ask for is that output.
For questions about Apache 2.4 please use apache-2.4