The first part (before the :) is a USB devices vendor identifier, associated with a specific vendor, and the second part is a subsystem USB device number. Note that the USB Device ID has two parts. Here we first see the USB Bus (a computer/system bus is a transport mechanism the customer uses, just like a bus in real life, to transport data from one item to another, for example, from a USB device – like a mouse or keyboard – to the processor) number, followed by a device number, a USB Device ID and finally a textual description of the device. When you first run lsusb from a Terminal command prompt, you will get a brief/concise list of output, showing various items of information about the USB devices in your system: lsusb To access the command prompt, if you are using a desktop GUI, you will often have to click your operating system’s action button (like the green button commonly at the bottom left in Linux Mint or the Activities button at the top left in Ubuntu) and type Terminal and click the corresponding option, or you may like to try the Windows key on your keyboard in combination with the letter T (hold the Windows key, then press T). You can access the complete but small lsusb manual by issuing man lsusb at a Terminal command prompt.
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