Windows 7 Glossary: L

laptop: A portable computer.

library: Libraries enable you to group related folders and files together. Windows 7 has four default libraries: Documents, Music, Pictures, and Videos.

live file system: When burning CDs and DVDs, this file system allows you to add and remove files as if the disc were another hard drive.

local-area network (LAN): A computer network that spans a relatively small area. Most LANs are confined to a single building or group of buildings.

Lock: The command on the Shutdown menu that suspends computer operations and presents the login screen, but without actually logging off.

locked up: A state in which your PC does not respond to keyboard or mouse commands; also called frozen.

log in: To identify yourself on a computer by entering a user name and password.

log off: To tell Windows that you’re done using the computer without actually turning off the computer; you must log in to use it again.

log on: To identify yourself on a computer by entering a user name and password.

log out: To tell Windows that you’re done using the computer without actually turning off the computer; you must log in to use it again.