screen
The screen program allows you to use multiple windows (virtual VT100 terminals) in Unix. https://kb.iu.edu/d/acuy
"Do whatever is needed to get a screen session."
screen -D ....
keys
Kill = Ctrl+A k Detach = Ctrl+A d
Resume a detached screen session
screen -r
man page
https://www.gnu.org/software/screen/manual/screen.html
connect to hostmodule
screen /dev/tty.usbserial
reset
reset