To Enable / Disable USB To really disable and enable USB, lets say port 3 and device 2 (you can get the information from lsusb -t) echo '3-2' | sudo tee / sys / bus / usb / drivers / usb / unbind echo '3-2' | sudo tee / sys / bus / usb / drivers / usb / bind Another Method chmod 000 /media/ here is where device is mounted hence make it 000 -> not able to read or write files chmod 777 /media/ extact opposite to above i.e able to read and write the files the above chmod is nothing but change mode which is a part of unix/linux code mainly used for read or write permission that can be represented by numbers.
Let's make world safe, use technology wise