Comment 4 for bug 288964

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ALinuxUser (buntulongername-new) wrote :

I am sorry to necrobump, but I don't get it.

$ sudo echo -n '2-3' | tee -a /sys/bus/usb/drivers/usb/unbind

Produces, on my system, this: 'tee: unbind: Permission denied'. Similarly if I have used 'su' to obtain root:

# echo -n '2-3' | tee -a /sys/bus/usb/drivers/usb/unbind
2-3tee: /sys/bus/usb/drivers/usb/unbind: No such device
# ls /sys/bus/usb/drivers/usb
1-1 1-1.2 1-1.6 2-1 bind uevent unbind usb1 usb2 usb3 usb4