MacPorts: The port command

• port selfupdate
• port search subversion
• port install bash
• port variants vim
  
• port install vim +perl +cscope subversion +no_bdb
  
• port cat vim
• port deactivate vim @7.1.002_0
  
• port upgrade vim
• port upgrade installed
• port info bash
• port deps subversion
• port dependents readline
• port outdated
• ... ...