//sys/class/tty/tty21/subsystem/tty0/subsystem/tty15/subsystem/tty19/subsystem/tty28/subsystem/tty33/subsystem/tty59/subsystem/tty2/subsystem/tty54/subsystem/ttyS0/subsystem/tty3/subsystem/tty8/subsystem/ttyS3/subsystem/tty36/subsystem/tty41/dev