โ Vแป Kanban OS
๐
/
/
proc
/
57
/
root
/
sys
/
dev
/
char
/
4:39
/
subsystem
/
ttyS0
/
device
/
tty
๐
/sys/devices/pnp0/00:00/00:00:0/00:00:0.0/tty
๐
ttyS0