Finding hardware identifier

Arthur pylinuxian at
Sat May 3 13:31:03 UTC 2008

On Sat, May 3, 2008 at 1:09 PM, Nils Kassube <kassube at> wrote:
Wade Smart wrote:
> Im was reading in the Ubuntu forums about tweaking my web cam and they
> keep talking about this hardware identifier. As an example:
> Vender Name           VenderID        Product ID
> Logitech      48      0x046d          0x0890

with device NOT plugged
run :    cat /proc/bus/usb/devices > ~/somefile0.txt

plug in device :
run :    cat /proc/bus/usb/devices > ~/somefile1.txt

run :    diff ~/somefile0.txt ~/somefile1.txt

sometimes /proc/bus/usb/devices is empty, but if you're lucky it will not.

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