UNIX
A computer operating system first developed in the late 60’s and still in existence and use today; forms the basis of Linux distributions
Upload
The process of sending a file from one computer to another over a network
URL (Uniform Resource Locator)
See Link
USB
A now-common serial interface for connecting devices to the latest computers; designed to replace COM and Parallel ports, offering one standardised interface socket. USB 2.0 has recently been introduced offering much greater transfer rates
Usenet
A global decentralised system offering literally thousands of discussion groups known as newsgroups
Username
A name that is unique that, in combination with a password, grants you access to secure resources, commonly on a network or on the internet


























