Data compression involves encoding information using fewer bits than the original representation (reducing size).
This page is about lossless, general purpose file compression tools.
The following packages provide graphical interfaces to work with most compressed files:
Many archive file format exist. These command line tools are able to manipulate most file formats:
To work with a specific file type/extension:
.cab (Microsoft Cabinet - cabextract package)
.rar (WinRAR - non-free package)
.tar, .tar.bz2, .tbz, .tar.gz, .tgz (TarBall)
See also CategoryFileFormat