Filesystem Type Size Used Avail Use% Mounted on tmpfs tmpfs 3.8G 108K 3.8G 1% /etc/timezone /dev/dm-0 btrfs 446G 99G 345G 23% /usr tmpfs tmpfs 3.8G 0 3.8G 0% /usr/lib/x86_64-linux-gnu/GL tmpfs tmpfs 3.8G 0 3.8G 0% /usr/share/runtime/lib/plugins tmpfs tmpfs 3.8G 0 3.8G 0% /usr/share/runtime/share/themes /dev/dm-0 btrfs 446G 99G 345G 23% /home tmpfs tmpfs 778M 3.8M 774M 1% /run/host/monitor devtmpfs devtmpfs 4.0M 0 4.0M 0% /dev tmpfs tmpfs 3.8G 0 3.8G 0% /dev/shm tmpfs tmpfs 3.8G 0 3.8G 0% /home/XXXXXXXXXXXXXXXXXXXXXXXXX tmpfs tmpfs 3.8G 0 3.8G 0% /home/XXXXXXXXXXXXX tmpfs tmpfs 1.6G 2.0M 1.6G 1% /run/media tmpfs tmpfs 3.8G 0 3.8G 0% /tmp/.X11-unix tmpfs tmpfs 3.8G 192K 3.8G 1% /tmp/.X11-unix/X0