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▀ If a CTRL+C is detected at the keyboard after the requested character
  is output, an Int 23H is executed.
 
▀ If the standard output has not been redirected, a backspace code (08H)
  causes the cursor to move left one position. If output has been re-
  directed, the backspace code does not receive any special treatment.
 
▀ You can also send strings to the display by performing a write (Int 21H
  Function 40H) using the predefined handle for the standard output
  (0001H), if output has not been redirected, or using a handle obtained
  by opening the logical device CON.
                                    -♦-