$ port install vim
$ port installed
$ port deps python27
$ port rdeps python27
$ port dependents python27
$ port contents python27
Tells important information concerning setup and use of the port, for example that in order to set a python flavor to be default you have to do this step manually:
$ sudo port select --set python python27
$ port notes python27
Shows available versions and the currently active version of a package ( port select virtualenv virtualenv27 )
$ port select virtualenv
$ port -y install python27
$ sudo port uninstall --follow-dependents python27
$ sudo port uninstall python27 and installed
$ sudo port uninstall python27 and installed py27-pip gtk2 and installed
$ sudo port -u uninstall
$ sudo port selfupdate
$ sudo port upgrade outdated
$ locate variants.conf
$ locate macports.conf
Information taken from: Wiki Titan2x
More information in: Trac Mac Ports