CTTY
 
Changes the terminal device used to control your computer.
 
Use the CTTY command if you want to use another device to enter commands.
 
Syntax
 
    CTTY device
 
Parameter
 
device
    Specifies the alternative device you want to use to type MS-DOS
    commands. Valid values for the device parameter are PRN, LPT1, LPT2,
    LPT3, CON, AUX, COM1, COM2, COM3, and COM4.
 
Related Command
 
For more information about changing the input device when specifying a
command interpreter, see the <COMMAND> command.