LAN
Local area network. A group of computers and other devices dispersed over a relatively limited area and connected by a communications link that enables any device to interact with any other device on the network.

Layered architecture
An architecture in which each layer isolates portions of the services.

Legacy
Any feature in the computer system based on older technology for which compatibility continues to be maintained in other system components. In the context of Windows 98, a non–Plug and Play feature.

Link Control Protocol (LCP)
A protocol that establishes, configures, and tests the integrity of a data-link connection.

Location
A set of dialing rules defining a place from which a user makes Dial-Up Networking connection.

Logical block addressing (LBA)
A method of accessing hard disk drives based on the extensions of INT 13.

Logon script
A batch file that runs automatically every time the user logs on. It can be used to configure a user's working environment at every logon, and it allows an administrator to control a user's environment without managing all aspects of it.