net.citizen An inhabitant of Cyberspace. One usually tries to be a good net.citizen, lest one be flamed.
netiquette A pun on "etiquette"; proper behavior on The Net. Usenet Netiquette.
network A group of machines connected together so they can transmit information to one another. There are two kinds of networks: local networks and remote networks.
NFS (Network File System) A method developed by Sun Microsystems to allow computers to share files across a network in a way that makes them appear as if they're "local" to the system.
NIC
The Network Information Center.
node
A computer that is attached to a network; also called a host.
NSFnet The national backbone network, funded by the National Science Foundation and operated by the Merit Corporation, used to interconnect regional (mid-level) networks such as WestNet to one another.
packet The unit of data sent across a packet switching network. The term is used loosely. While some Internet literature uses it to refer specifically to data sent across a physical network, other literature views the Internet as a packet switching network and describes IP datagrams as packets.
polling Connecting to another system to check for things like mail or news.
postmaster The person responsible for taking care of mail problems, answering queries about users, and other related work at a site.