Defines MacPorts aliases.
portccleans files used for building the installed ports.portCuninstalls inactive ports and removes unneeded installation files.portddetects common issues.portidisplays information about given ports.portIinstalls given ports.portllists all installed ports or installed ports matching given expressions.portLlists installed ports that were explicitly asked for.portndisplays notes for given ports.portolists outdated ports.portssearches for ports matching given expressions.portuupdates MacPorts itself and port definition files.portUupgrades all outdated ports.portvlists variants of given ports.portxuninstalls given ports and dependencies that would become inactive.