Country Code Top Level Domain is the extension (last part) of a domain name that is specific to a country or region - for example .uk .tv .mx etc

Generic term for scripts used on websites, usually written in Perl.

UNIX command to set the various permissions on a file +/-Read (4) +/-Write (2) +/-Execute (1)

Collocation is the housing of your own server on our network.

The number of people who share the same connection circuit at the BT exchange. This means that the higher the contention rate, the slower the DSL network will become at peak periods. 1:1 (uncontended) means *all* the allocated bandwidth is available to you. 50:1 contention means that *upto* 50 people will be sharing that bandwidth, so you are only guaranteed 1/50th of the allocated speed.

A type of Ethernet cable required to cross-connect two similar devices. So a switch-to-switch connection or pc-to-pc connection requires a crossover.