/ sys / devices / pci0000:00 / 0000:00:08.1 / 0000:25:00.4 / sound / card1 / input7 / event7 / [ HOME SHELL ] 
Name Size Permission Action
  device [ DIR ] drwxr-xr-x  
  power [ DIR ] drwxr-xr-x  
  subsystem [ DIR ] drwxr-xr-x  
  dev 4 KB -r--r--r--   
  uevent 4 KB -rw-r--r--   

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