โ Vแป Kanban OS
๐
/
/
proc
/
61
/
root
/
sys
/
class
/
tty
/
ttyS21
/
device
/
subsystem
/
drivers
/
port
/
serial8250:0.21
๐
/sys/devices/platform/serial8250/serial8250:0/serial8250:0.21
๐
driver
๐
power
๐
subsystem
๐
tty
๐
uevent