Filesystem Type Size Used Avail Use% Mounted on tmpfs tmpfs 579M 1.6M 577M 1% /run /dev/sda3 ext4 457G 12G 422G 3% / tmpfs tmpfs 2.9G 0 2.9G 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 579M 1.7M 577M 1% /run/user/XXXXX /dev/sr0 iso9660 512M 512M 0 100% /media/XXXXXXXXXXXXXXXX