I sometimes plug my Android 4.x+ phone into a desktop with Ubuntu 14.04 LTS to copy some photos from the phone. It works fine, with no extra software or configu

I sometimes plug my Android 4.x+ phone into a desktop with Ubuntu 14.04 LTS to copy some photos from the phone. It works fine, with no extra software or configuration required. On the graphical interface, it appears like a USB drive.