Hardware manual

78 Glossary
lease period A limited period of time during which IP addresses are assigned. By using
short leases, DHCP can reassign IP addresses on networks that have more computers
than available IP addresses.
load balancing The process of distributing client computers’ requests for network
services across multiple servers to optimize performance.
local domain A directory domain that can be accessed only by the computer on which
it resides.
local home directory A home directory that resides on disk on the computer a user is
logged in to. It’s accessible only by logging directly in to the computer where it resides
unless you log in to the computer using SSH.
long name The long form of a user or group name. See also user name.
LPR Line Printer Remote. A standard protocol for printing over TCP/IP.
mail host The computer that provides your mail service.
managed client A user, group, or computer whose access privileges and/or
preferences are under administrative control.
managed network The items managed clients are allowed to “see” when they click the
Network icon in a Finder window. Administrators control this setting using Workgroup
Manager. Also called a “network view.”
managed preferences System or application preferences that are under administrative
control. Workgroup Manager allows administrators to control settings for certain
system preferences for Mac OS X managed clients.
MTA Mail Transfer Agent. A mail service that sends outgoing mail, receives incoming
mail for local recipients, and forwards incoming mail of nonlocal recipients to other
MTAs.
multihoming The ability to support multiple network connections. When more than
one connection is available, Mac OS X selects the best connection according to the
order specified in Network preferences.
MySQL An open-source relational database management tool frequently used by web
servers.
name server A server on a network that keeps a list of names and the IP addresses
associated with each name. See also DNS, WINS.