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Concept
Computer file
Summary
In computing, a computer file is a resource for recording data on a computer storage device, primarily identified by its . Just as words can be written on paper, so can data be written to a computer file. Files can be shared with and transferred between computers and mobile devices via removable media, networks, or the Internet.
Different are designed for different purposes. A file may be designed to store an , a written message, a video, a program, or any wide variety of other kinds of data. Certain files can store multiple data types at once.
By using computer programs, a person can open, read, change, save, and close a computer file. Computer files may be reopened, modified, and an arbitrary number of times.
Files are typically organized in a , which tracks file locations on the disk and enables user access.
Etymology
The word "file" derives from the Latin filum ("a thread, string").
"File" was used in the context of computer storage as early as January 1940. In
Official source
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