A unit of data sent across the Internet.
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The method used to move data around on the Internet. In packet switching, all the data coming out of a machine is broken up into chunks, each chunk has the address of where it came from and where it is going. This enables chunks of data from many different sources to co-mingle on the same lines, and be sorted and directed to different routes by special machines along the way. This way many people can use the same lines at the same time.
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A code used to gain access to a locked system. Good passwords contain letters and non-letters and are not simple combinations such as virtue7. A good password might be: Hot$1-6 See Also: Login
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The route you take down directories and sub-directories to get to the files you want
(e.g. /pub/mac/utilities/compression/).
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A newsgroup article that is posted to a group or groups at regular intervals. An example of a periodic posting would be a FAQ (list of Frequently Asked Questions) or other helpful information.
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The rules on a server that determine who has the ability to do certain things, such as access, read, rename, or delete files or directories. phrase A group of words, usually in quotes. Telling a search engine to look for a phrase means it will look for exactly those words, and in that exact order. For example, to look for Web pages about the movie Big Trouble in Little China, type "Big Trouble in Little China" (in quotes), and the search engine will look for that entire phrase.
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A (usually small) piece of software that adds features to a larger piece of software. Common examples are plug-ins for the Netscape® browser and web server. Adobe Photoshop® also uses plug-ins. The idea behind plug-in’s is that a small piece of software is loaded into memory by the larger program, adding a new feature, and that users need only install the few plug-ins that they need, out of a much larger pool of possibilities. Plug-ins are usually created by people other than the publishers of the software the plug-in works with.
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Connecting to another system to check for things like mail or news.
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POP (Point of Presence, also Post Office Protocol)
POP is a service provider's location for connecting to users. Generally, POPs refer to the location where people can dial into the provider's host computer. Most providers have several POPs to allow low-cost access via telephone lines.
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A # that identifies a particular Internet application. When your computer sends a packet to another computer, that packet contains info about what protocol it's using, and what application it's communicating with. The port number identifies the app.
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One of a computer's physical input/output channels.
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A computer connected to the Internet (web site) that provides access to a wide variety of information. A "real world" analogy would be a shopping mall as compared to a unique retail store. Yahoo and Excite are two of the most popular portals.
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A newsgroup article. Also, the act of sending an article to a newsgroup so that others can read and reply to it. pub A directory on an FTP site where publicly available files are kept. People can connect using anonymous ftp to get files stored in the pub directory.
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A single message entered into a network communications system. E.g. A single message posted to a newsgroup or message board. See Also: Newsgroup
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The person responsible for taking care of mail problems, answering queries about users, and other related work at a site.
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This is an acronym for Plain Old Telephone Service.
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Most well known as a protocol that allows a computer to use a regular telephone line and a modem to make TCP/IP connections and thus be really and truly on the Internet.
PPP is an Internet connection where phone lines and a modem can be used to connect a computer to the Internet.
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A set of standards that define how traffic and communications are handled by a computer or network routers.
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PSTN (Public Switched Telephone Network)
The regular old-fashioned telephone system.
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The FTP command for "putting" or uploading files from your computer to a server.
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