Apple Mac OS X Server System Imaging and Software Update Administration For Version 10.4 or Later Bedienungsanleitung PDF herunterladen (Seite 83)

Glossary 83

FTP File Transfer Protocol. A protocol that allows computers to transfer files over a

network. FTP clients using any operating system that supports FTP can connect to a file

server and download files, depending on their access privileges. Most Internet browsers

and a number of freeware applications can be used to access an FTP server.

logical disk A storage device that appears to a user as a single disk for storing files,

even though it might actually consist of more than one physical disk drive. An Xsan

volume, for example, is a logical disk that behaves like a single disk even though it

consists of multiple storage pools that are, in turn, made up of multiple LUNs, each of

which contains multiple physical disks.

group A collection of users who have similar needs. Groups simplify the administration

of shared resources.

home directory A folder for a user’s personal use. Mac OS X also uses the home

directory, for example, to store system preferences and managed user settings for

Mac OS X users.

host Another name for a server.

host name A unique name for a server, historically referred to as the UNIX hostname.

The Mac OS X Server host name is used primarily for client access to NFS home

directories. A server determines its host name by using the first name available from

the following sources: the name specified in the /etc/hostconfig file

(HOSTNAME=some-host-name); the name provided by the DHCP or BootP server for

the primary IP address; the first name returned by a reverse DNS (address-to-name)

query for the primary IP address; the local hostname; the name “localhost.”

Internet Generally speaking, a set of interconnected computer networks

communicating through a common protocol (TCP/IP). The Internet (note the

capitalization) is the most extensive publicly accessible system of interconnected

computer networks in the world.

Internet Protocol See IP.

IP Internet Protocol. Also known as IPv4. A method used with Transmission Control

Protocol (TCP) to send data between computers over a local network or the Internet. IP

delivers packets of data, while TCP keeps track of data packets.

IP address A unique numeric address that identifies a computer on the Internet.

IP subnet A portion of an IP network, which may be a physically independent network

segment, that shares a network address with other portions of the network and is

identified by a subnet number.

MAC Media access control. See MAC address.

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Apple Mac OS X Server System Imaging and Software Update Administration For Version 10.4 or Later Bedienungsanleitung Seite 83