Filesystem Size Used Avail Use% Mounted on XXXX 3.9G 402M 3.5G 11% XXXXXXXXXXXXXXXXXXXXX /dev/loop1 1.8G 1.8G 0 100% /var/lib/snapd/hostfs/rofs /dev/loop0 1.9G 1.9G 0 100% /var/lib/snapd/hostfs/cdrom /dev/sdc1 58G 19G 40G 32% /var/lib/snapd/hostfs/isodevice tmpfs 797M 1.4M 796M 1% /run tmpfs 5.0M 4.0K 5.0M 1% /run/lock tmpfs 797M 24K 797M 1% /run/user/XXX tmpfs 3.9G 504K 3.9G 1% /tmp /dev/loop2 89M 89M 0 100% / /dev/loop3 4.0M 4.0M 0 100% /snap/XXXXXXXXXXXX udev 3.9G 0 3.9G 0% /dev tmpfs 3.9G 82M 3.9G 3% /dev/shm tmpfs 3.9G 0 3.9G 0% /sys/fs/cgroup