1. Drag the orange square over the blue square
  2. Press the relevant modifier keys for your platform
  3. Continue dragging over the pink square
  4. Release the drag, then the keys
  5. Check that the correct drop effect is produced in each case. If the mouse cursor can change to indicate the final type of drop effect that will take place, it should change to the relevant type (the one in bold) once the modifier keys are pressed.
Windows
ModifierDrop effect
Nonecopy
Ctrlcopy
Shiftcopy=>move
Altcopy=>link=>none
Ctrl+Shiftcopy=>link=>none
Ctrl+Altcopy
Alt+Shiftcopy
Ctrl+Alt+Shiftcopy
Unix/Linux
ModifierDrop effect
nonecopy
Ctrlcopy
Shiftcopy=>move
Altcopy
Ctrl+Shiftcopy=>link=>none
Ctrl+Altcopy
Alt+Shiftcopy=>move
Ctrl+Alt+Shiftcopy=>link=>none
Mac
ModifierDrop effect
nonecopy
Ctrlcopy
Shiftcopy
Option/altcopy
Commandcopy=>move
Ctrl+Shiftcopy
Ctrl+Optioncopy
Ctrl+Commandcopy=>move
Shift+Optioncopy
Shift+Commandcopy=>move
Command+Optioncopy=>link=>none
Ctrl+Shift+Optioncopy
Ctrl+Shift+Commandcopy=>move
Ctrl+Command+Optioncopy=>link=>none
Shift+Command+Optioncopy=>link=>none
Ctrl+Shift+Command+Optioncopy=>link=>none