The USB device filesystem can be found under /proc/ _______ /usb/. (Please fill in the blank with the single word only) 06/14/2017 – by Mod_GuideK 0 The USB device filesystem can be found under /proc/ _______ /usb/. (Please fill in the blank with the single word only) SHOW ANSWERSCorrect Answer: bus Explanation/Reference: Download Printable PDF. VALID exam to help you PASS.