USB Devices
4 different standards
- OHCI - USB1
- UHCI - USB1
- EHCI - USB2
- xHCI - USB3
USB can be mounted to a device and accessed via IP, with VHCI - USB over IP
$ lsusb - queries usb devices
$ usb-devices - shows much more
$ sudo dmesg | grep USB - check messages related to usb