Commands Continued..

DEB packages (Debian, Ubuntu and like)

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

APT packages updater (Debian, Ubuntu e like)

apt-get install package_name	install / upgrade a deb package
apt-cdrom install package_name	install / upgrade a deb package from cdrom
apt-get update	update the package list
apt-get upgrade	upgrade all of the installed packages
apt-get remove package_name	remove a deb package from system
apt-get check	verify correct resolution of dependencies
apt-get clean	clean up cache from packages downloaded
apt-cache search searched-package	returns list of packages which corresponds string "searched-packages"