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Glossary of Internet Terms |
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Local Area Network, Computer network limited to one single location, usually an office.
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Is a computer operating system based on Unix. It has a reputation as a very efficient and fast-performing system and is used on many web servers around the world. Linux's kernel (the central part of the operating system) was initially created as a hobby by Linus Torvalds at the University of Helsinki in Finland. The Operating system is unique in that it is free. It is developed under the GNU General Public License where by anyone can download the source code. There are various distribution packages available and not all are free although it is still a lot cheaper than Windows.
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Used in the context of search engines. If a hyper link (clickable text) on a page contained a certain word, then it is possible that the subject matter of he destination page may be connected to this word. For example if 10,000 different web pages contain the hyperlink cricket, all pointing at the same place, then you can bet this page would be a very important with respect to 'cricket'.
This idea was pioneered by Google (www.google.com) which is the search engine of choice for most informed web users. This is not the only criteria Google uses but it helps quality sites appear higher in results based purely on merit and relevance. Google supplies results to many other search engines such as AOL, BBC and Yahoo.
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Noun or a verb.
Noun: The account name used to gain access to a computer system. Not a secret (contrast with Password).
Verb: the act of connecting to a computer system by giving your credentials (usually your "username" and "password").
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