/ sys / devices / pci0000:00 / 0000:00:02.0 / 0000:01:00.0 / 0000:02:01.0 / usb1 / 1-1 / [ HOME SHELL ] 
Name Size Permission Action
  1-1:1.0 [ DIR ] drwxr-xr-x  
  driver [ DIR ] drwxr-xr-x  
  ep_00 [ DIR ] drwxr-xr-x  
  port [ DIR ] drwxr-xr-x  
  power [ DIR ] drwxr-xr-x  
  subsystem [ DIR ] drwxr-xr-x