PPS "emmè a u dev" See udev at work $ udevadm monitor e/o # udevadm monitor See how your system works with pendrives/mice/monitors/whatever-you- can-plug-in. Use cases: see on which /dev/... your peripherals are, find out if a specific udev rule is being applied correctly. http://www.commandlinefu.com/commands/view/5930/see-udev-at-work