A file on Unix machines that describes programs that are run when the machine starts. A system by which clients accessing a particular URL are sent to a different location, either on the same server or on a different server. This is useful if a resource has moved and you want the clients to use the new location transparently. It's also used to maintain the integrity of relative links when directories are accessed without a trailing slash. RFC Request For Comments are usually procedures or standards documents submitted to the Internet community.
People can send comments on the technologies before they become accepted standards.
The most privileged user available on Unix machines. The root user has complete access privileges to all files on the machine. The server daemon is a process that, once running, listens for and accepts requests from clients. A directory on the server machine dedicated to holding the server program, configuration, maintenance, and information files. The process itself does not die, as it does in a hard restart.