Ubuntu uses serial picocom

Connect the USB to the serial port

See if serial DMESG is recognized | grep ttyUSB0

installation (Mint/ubuntu):
$ sudo apt-get install picocom
Use :

Give permission first sudo chmod 777/dev/ttyusb0
Set port and baud rate $ picocom-b 9600/dev/ttyusb0
(/dev/ttyusb0 is a serial device file, assuming that it is not a USB to serial port, then/dev/ttys*)
(can set an alias, such as Alias Pc= ' Picocom-b 115200/dev/ttyusb0 ', so that the terminal input sudo pc will be able to open the terminal)

Delete :

CTRL + BACKSPACE to delete input errors.
Exit :
Ctrl-a is an escape key, you can exit the terminal by pressing CTRL-A and then pressing CTRL-Q.

Ubuntu uses serial picocom