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TAR, TAR Archive File (.tar)

 

The .tar file format

Tar is a software program that assembles multiple files into a single archive file- referred to as a tarball- for circulation or back-up. It was at first created for I/O devices with no filing system of their own and later developed under the unix platform to facilitate tape back-up as an archiving method -hence the name (t)ape (ar)chive. TAR also stands for the application that handles TAR files.

 

.tar technical details

Although Tar is an archive format that merges several files, these are not compressed by default. Compression is achieved using gzip to give a TAR.GZ file extension. The archive data sets within the tar file format hold a number of file system parameters, such as name, proprietorship, file access rights, and directory organization. These file headers and data are rounded up to constitute multiples of 512 bytes.

 

Additional information about TAR file format

File extension .TAR
File category ARCHIVE
Useful links https://en.wikipedia.org/wiki/Tar_(computing)
File conversion Convert a file to TAR
Developer The GNU Project
Associated programs GNU Tar, 7-Zip, Apple Archive Utility, Corel WinZip 18.5