Hardware manual

80 Glossary
predefined accounts User accounts that are created automatically when you install
Mac OS X. Some group accounts are also predefined.
preference manifest A file that describes the structure of and default values for an
application’s preferences (for example, what the various preference keys do).
Workgroup Manager’s preferences editor uses these files to make it easier for an
administrator to edit an application’s managed preferences.
preferences cache A storage place for computer preferences and preferences for
groups associated with that computer. Cached preferences help you manage local user
accounts on portable computers.
presets Initial default attributes you specify for new accounts you create using
Workgroup Manager. You can use presets only during account creation.
primary group A user’s default group. The file system uses the ID of the primary group
when a user accesses a file he or she doesn’t own.
primary group ID A unique number that identifies a primary group.
privileges The right to access restricted areas of a system or perform certain tasks
(such as management tasks) in the system.
QTSS QuickTime Streaming Server. A technology that lets you deliver media over the
Internet in real time.
RAID array A group of physical disks organized and protected by a RAID scheme and
presented by RAID hardware or software as a single logical disk. In Xsan, RAID arrays
appear as LUNs, which are combined to form storage pools.
RAID level A storage allocation scheme used for storing data on a RAID array. Specified
by a number, as in RAID 3 or RAID 0+1.
realm General term with multiple applications. See WebDAV realm, Kerberos realm.
search path See search policy.
search policy A list of directory domains searched by a Mac OS X computer when it
needs configuration information; also the order in which domains are searched.
Sometimes called a search path.
shadow image A file created by the NetBoot daemon process for each NetBooted
client where applications running on the client can write temporary data.
share point A folder, hard disk (or hard disk partition), or CD that’s accessible over the
network. A share point is the point of access at the top level of a group of shared items.
Share points can be shared using AFP, Windows SMB, NFS (an “export”), or FTP
protocols.