Filesystem Type Size Used Avail Use% Mounted on tmpfs tmpfs 3.9G 100K 3.9G 1% /etc/timezone /dev/sda3 ext4 457G 16G 419G 4% /usr tmpfs tmpfs 3.9G 0 3.9G 0% /usr/lib/x86_64-linux-gnu/GL tmpfs tmpfs 3.9G 0 3.9G 0% /usr/share/runtime/lib/plugins tmpfs tmpfs 3.9G 0 3.9G 0% /usr/share/runtime/share/themes tmpfs tmpfs 784M 260K 784M 1% /run/host/monitor udev devtmpfs 3.8G 0 3.8G 0% /dev tmpfs tmpfs 3.9G 0 3.9G 0% /dev/shm tmpfs tmpfs 3.9G 0 3.9G 0% /home/XXXXXXXXXXXXXXXXXXXXXXXX tmpfs tmpfs 3.9G 0 3.9G 0% /home/XXXXXXXXXXXX /dev/loop0 squashfs 64M 64M 0 100% /snap/XXXXXXXXXXX /dev/loop1 squashfs 16M 16M 0 100% /snap/XXXXXXXXXXXXXXXX /dev/loop2 squashfs 50M 50M 0 100% /snap/XXXXXXXXXXX /dev/loop3 squashfs 51M 51M 0 100% /snap/XXXXXXXXXXX tmpfs tmpfs 3.9G 0 3.9G 0% /tmp/.X11-unix tmpfs tmpfs 784M 3.1M 781M 1% /run/systemd/journal/socket