ctty
Changes the terminal device for your DOS session.
ctty device
Options
device
The device to use. Valid devices are prn, lpt1, lpt2, lpt3, con,
aux, com1, com2, com3, com4.
Copyright © 1998 Jim Hall
This file is derived from the FreeDOS Spec Command HOWTO.
See the file H2Cpying.txt for copying conditions.