CTRL + SHIFT + CLICK :   Right Click (OS X) 
  CTRL + ALT + END :   Opens the Microsoft Widnows NT security dialog box.
  ALT + PAGEUP :   Switch between programs left to right.
  ALT + PAGEDOWN :   Switch between programs right to left.
  ALT + INSERT :   Cycle through programs in most recently used order.
  ALT + HOME :    Display Start Menu.
  CTRL + ALT + BREAK :   Switch the client computer between a window and full screen.
  ALT + DELETE :    Displays the windows menu.
  CTRL + ALT + Minus Sign (-) :   Place a snapshot of the active window in the client the terminal server, same as PRINT SCREEN on a local computer.
  CTRL + ALT + Plus Sign (+) :   Place a snapshot of the entire window in the client the terminal server, same as PRINT SCREEN on a local computer.