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All the world is a file to UNIX; programs, text documents, input and output devices such as terminals and printers are all represented as files in the UNIX world. Files are a very convenient way of storing and managing information. All files have a name, contents that can be written or read, they have an owner, and a place in which they can be stored and from where they can be retrieved.
Loc Van Huynh 2007-03-15
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