Filesystem Type Size Used Avail Use% Mounted on udev devtmpfs 3.9G 0 3.9G 0% /dev tmpfs tmpfs 792M 1.7M 790M 1% /run /dev/mapper/XXXXXXXXXXXXXX ext4 457G 13G 421G 3% / tmpfs tmpfs 3.9G 432M 3.5G 11% /dev/shm tmpfs tmpfs 5.0M 4.0K 5.0M 1% /run/lock tmpfs tmpfs 3.9G 0 3.9G 0% /sys/fs/cgroup /dev/loop0 squashfs 100M 100M 0 100% /snap/XXXXXXXXXX /dev/loop1 squashfs 534M 534M 0 100% /snap/XXXXXXXXXXXXXXXXXXXXXXXX /dev/sdb1 vfat 511M 4.0K 511M 1% /boot/efi tmpfs tmpfs 792M 20K 792M 1% /run/user/XXXX /dev/sda3 fuseblk 551G 500G 51G 91% /media/XXXXXXXXXXXXXXX