drwxr-xr-x    1 root     root             0 Jan  1  1970 .
drwxr-xr-x    1 root     root             0 Jan  1 00:11 ..
drwxr-xr-x    5 root     root          1024 Jan  1  1970 ext
drwxrwxrwx    3 root     root          4096 Jan  1 00:00 usb