Apple Mac OS X Server Version 10.4 or Later Manual do Utilizador descarregar pdf (Página 104)

104 Glossary

gigabyte See GB.

hacker An individual who enjoys programming, and explores ways to program new

features and expand the capabilities of a computer system. See also cracker.

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 multicast DNS local hostname; the name

“localhost.”

identity certificate See certificate.

IMAP Internet Message Access Protocol. A client-server mail protocol that allows users

to store their mail on the mail server rather than download it to the local computer.

Mail remains on the server until the user deletes it.

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 Message Access Protocol See IMAP.

Internet Protocol See IP.

Internet service provicer See ISP.

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.

IPv4 See IP.

IPv6 Internet Protocol version 6. The next-generation communication protocol to

replace IP (also known as IPv4). IPv6 allows a greater number of network addresses and

can reduce routing loads across the Internet.

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Apple Mac OS X Server Version 10.4 or Later Manual do Utilizador Página 104