cu

Call Up another system and act as a dial-in/serial terminal or perform file transfers with no error checking. More information: https://manned.org/cu.

• Open a given serial port:

sudo cu --line /dev/ttyUSB0

• Open a given serial port with a given baud rate:

sudo cu --line /dev/ttyUSB0 --speed 115200

• Open a given serial port with a given baud rate and echo characters locally (half-duplex mode):

sudo cu --line /dev/ttyUSB0 --speed 115200 --halfduplex

• Open a given serial port with a given baud rate, parity, and no hardware or software flow control:

sudo cu --line /dev/ttyUSB0 --speed 115200 --parity=even|odd|none --nortscts --nostop

• Exit the cu session when in connection:

~.