//sys/class/tty/tty32/subsystem/ptmx/subsystem/tty3/subsystem/tty20/subsystem/tty51/subsystem/tty0/subsystem/tty12/subsystem/tty30/subsystem/tty34/subsystem/tty19/subsystem/tty7/subsystem/tty8/subsystem/tty20/subsystem/tty20/dev