1. Command-Tab Switch application–cycle forward
  2. Command-Shift-Tab Switch application–cycle backward
  3. Command-M Minimize the active window to the Dock
  4. Command-Option-M Minimize all windows of the active application to the Dock
  5. Command-N Create a new document in the frontmost application
  6. Command-O Display a dialog for choosing a document to open in the frontmost application
  7. Command-P Display the Print dialog