Debian package (manager) (also see apt-get,aptitude)
dpkg-deb-actions
dpkg -b | --build directory [filename] Build a deb package. dpkg -c | --contents filename List contents of a deb package. dpkg -e | --control filename [directory] Extract control-information from a package. dpkg -x | --extract filename directory Extract the files contained by package. dpkg -f | --field filename [control-field] ... Display control field(s) of a package. dpkg --fsys-tarfile filename Display the filesystem tar-file contained by a Debian package. dpkg -I | --info filename [control-file] Show information about a package. dpkg -X | --vextract filename directory Extract and display the filenames contained by a package.
dpkg-query-actions
dpkg -l | --list package-name-pattern ... List packages matching given pattern. dpkg -s | --status package-name ... Report status of specified package. dpkg -L | --listfiles package ... List files installed to your system from package. dpkg -S | --search filename-search-pattern ... Search for a filename from installed packages. dpkg -p | --print-avail package Display details about package, as found in /var/lib/dpkg/available.