GNU Screen cheatsheet
| Change to other region | ctrl-a tab |
| Change to other screen | ctrl-a 0-9 |
| Dettach | ctrl-a d |
| Help | ctrl-a ? |
| Kill screen | ctrl-a \ |
| Kill region | ctrl-a x |
| New screen | ctrl-a c |
| Reattach | screen -r |
| Serial connection | screen /dev/ttyUSB0 9600 |
| Split | ctrl-a s |
