This archive format is used as an installation packet in the Unix operating system for updating, querying, checking, deleting and installing software products. The RPM archive is a database that is comprised of a single base of program packets and a large number of small databases. The system can store information about packet modifications, deletions and installations.
A compressed file which is a TAR archive. Created for use in Unix systems. The TAR container combines several files into one archive that is placed in a TGZ compressed file. They’re used as installation packets in the installers of some operating systems.