cu
Call Up another system and act as a dial-in/serial terminal or perform file transfers with no error checking. tldr-pages
On Linux
Linux
Open a given serial port
sudo cu --line /dev/ttyXYZIdentifyOpen a given serial port with a given baud rate
sudo cu --line /dev/ttyXYZ --speed 115200IdentifyOpen a given serial port with a given baud rate and echo characters locally (half-duplex mode)
sudo cu --line /dev/ttyXYZ --speed 115200 --halfduplexIdentifyOpen a given serial port with a given baud rate, parity, and no hardware or software flow control
sudo cu --line /dev/ttyXYZ --speed 115200 --parity=even --nortscts --nostopIdentifyExit the cu session when in connection
<Enter><~><.>Display help
cu --helpIdentify