![]() The filename extensions are successively added at each step of this process. Users of the Unix tools use additional compression tools, such as gzip, bzip2, or xz, to compress the archive file after packing or remove compression before unpacking the archive file. The Unix tools ar, tar, and cpio act as archivers but not compressors. Multics also had a "tape_archiver" command, abbreviated ta, which was perhaps the forerunner of unix' tar. ![]() Reconstructing the original files from the archive is termed unarchiving, unpacking or extracting.Īn early archiver was the Multics command archive, descended from the CTSS command of the same name, which was a basic archiver and performed no compression. The process of making an archive file is called archiving or packing. More advanced archivers store additional metadata, such as the original timestamps, file attributes or access control lists. The archive files need to store metadata, at least the names and lengths of the original files, if proper reconstruction is possible. File archivers may employ lossless data compression in their archive formats to reduce the size of the archive.īasic archivers just take a list of files and concatenate their contents sequentially into archives. #File archive utility windows series#JSTOR ( August 2016) ( Learn how and when to remove this template message)Ī file archiver is a computer program that combines a number of files together into one archive file, or a series of archive files, for easier transportation or storage. ![]() Unsourced material may be challenged and removed. Please help improve this article by adding citations to reliable sources. This article needs additional citations for verification.
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