# dpkg -i [package.deb]install / upgrade a deb package [man]
# dpkg -r [package]remove a deb package from the system [man]
# dpkg -lshow all deb packages installed on the system [man]
# dpkg -l | grep httpdshow all deb packages with the name "httpd" [man]
# dpkg -s [package]obtain information on a specific package installed on system [man]
# dpkg -L [package]show list of files provided by a package installed on system [man]
# dpkg --contents [package.deb]show list of files provided by a package not yet installed [man]
# dpkg -S /bin/pingverify which package belongs to a given file [man]