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 system 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. Request For Comments. 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 on Unix machines. The root user has complete access privileges to all files on the machine. 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. A way to restart the server that causes the server to internally restart, that is, reread its configuration files.