file compression

   A technique that shrinks program or data files so that they occupy less disk space. The file must then be extracted or decompressed before use. Some types of files, such as word processor documents, can be compressed by 50 percent or more. Recompressing an already compressed file usually makes the file slightly larger because of the compression overhead.
   File compression can be automatic and performed by the operating system, or it can be manual and performed by a filecompression program.
   See also file-compression program.

Dictionary of networking . 2014.

Look at other dictionaries:

  • file compression — compression of accumulated computerized information …   English contemporary dictionary

  • file-compression program —    An application that compresses files so that they take up less space on the disk. Some file compression programs are individual, standalone applications; others are built into the operating system.    Individual file compression programs can… …   Dictionary of networking

  • file compression utility — compression program, utility program used to store files in a manner which conserves disk space …   English contemporary dictionary

  • FCX file compression — is a file compression utility and file format.cite web title = FCX Overview work = Springdata publisher = date = 2006 08 26 url = http://www.springdata.co.uk/products/fcx/overview.html format = doi = accessdate = 2008 06 16] It is currently… …   Wikipedia

  • Compression virus — is an example of a benevolent Computer virus invented by Fred Cohen. It searches for an uninfected executable file, compresses the file and prepends itself to it. The virus can be described in pseudo code [1] program compression virus:=… …   Wikipedia

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  • File (Unix) — Pour les articles homonymes, voir File. file est une commande UNIX qui permet de déterminer le type d un fichier. Pour chaque fichier valide passé en paramètre, file tente de déterminer le type de données qu il contient et affiche cette… …   Wikipédia en Français

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