Debian package manager. Some subcommands such as
dpkg deb
have their own usage documentation. For equivalent commands in other package managers, see https://wiki.archlinux.org/title/Pacman/Rosetta. More information: https://manpages.debian.org/latest/dpkg/dpkg.html.
dpkg -i path/to/file.deb
dpkg -r package
dpkg -l pattern
dpkg -L package
dpkg -c path/to/file.deb
dpkg -S path/to/file