[ Thanks to Vishnu Ram for
this link. ]
“The RedHat Package Manager (RPM) is an open packaging system
that makes system updates easy. Installing, uninstalling, and
upgrading RPM packages can be accomplished with short commands. RPM
maintains a database of installed packages and their files, so you
can invoke powerful queries and verifications on your system.“RPM has five basic modes of operation (not counting package
building): installing, uninstalling, upgrading, querying, and
verifying…”