A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

L
LAN Local Area Network
Most work places have their computers on a network, also known as a LAN. LANs allow users to move files around the networks of computers connected to the LAN. Some LANs are connected to the Internet, but without the protection of a firewall, there can be security risks.

LINUX
A UNIX-like operating system that was designed by enthusiasts to provide a free or very low-cost operating system. Initially developed by Linus Torvalds at the University of Helsinki in Finland, its open sourced approach allowed final development to be achieved by hundreds of other enthusiasts. Linux is publicly open and extendible by contributors. It has all of the components usually found in a UNIX system, including a GUI, a Windows-like system, TCP/IP and text editing.

Login
A login name is a series of letters or numbers that have to be inputted before you can log in to a computer, or an email account, or internet connection. A login provides basic security for users.