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package management systems use a specially formatted file to keep everything together in a single, easily manageable entity, or package. Additionally, package management systems tend to provide one or more of the following functions:

• Installing new packages.

• Removing old packages.

• Upgrading from an old package to a new one.

• Obtaining information about installed packages.

Marc Ewing and Erik Troan have worked hard to make RPM better than its predecessors in every way. Now it's time to see how they did, and learn how to use RPM!