$ setserial -g /dev/ttyS* /dev/ttyS0, UART: 16550A, Port: 0x03f8, IRQ: 4 /dev/ttyS1: Permission denied /dev/ttyS2: Permission denied /dev/ttyS3: Permission denied
$ cu -l /dev/ttyS0 -s 115200
$ screen -S sesson-name -t name /dev/ttyS0 115200
C-a H
+-----[configuration]------+ | Filenames and paths | | File transfer protocols | | Serial port setup | | Modem and dialing | | Screen and keyboard | | Save setup as dfl | | Save setup as.. | | Exit | | Exit from Minicom | +--------------------------+