Common macports commands (See related posts)

Installs a package

port install package

uninstalls a package

port uninstall package

shows all ports currently installed

port installed

shows all ports not currently installed, you may want to pipe the output of this command to grep to limit the output

port uninstalled

search for a port whose name matches the regex

port search regex

shows meta information on a package

port info package

shows the latest version of all available ports

port list