Filesystem Type Size Used Avail Use% Mounted on tmpfs tmpfs 781M 2.1M 779M 1% /run /dev/sda3 ext4 457G 13G 421G 3% / tmpfs tmpfs 3.9G 0 3.9G 0% /dev/shm tmpfs tmpfs 5.0M 4.0K 5.0M 1% /run/lock /dev/sda2 vfat 512M 6.1M 506M 2% /boot/efi tmpfs tmpfs 781M 104K 781M 1% /run/user/XXXX