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.
This is the standard format for data compression in a Unix environment. It’s used to store several files in one archive and for creating a file system archive and for software distribution. In a TAR archive, information is logged about the owner, file groups, catalog structures and file timestamps. Different bzip2 and gzip tools are used to create an archive.