Filesystem Type Size Used Avail Use% Mounted on tmpfs tmpfs 2.0G 92K 2.0G 1% /etc/timezone /dev/sda3 ext4 439G 24G 393G 6% /usr tmpfs tmpfs 2.0G 0 2.0G 0% /usr/lib/x86_64-linux-gnu/GL tmpfs tmpfs 2.0G 0 2.0G 0% /usr/share/runtime/share/themes tmpfs tmpfs 392M 224K 392M 1% /run/host/monitor udev devtmpfs 1.9G 0 1.9G 0% /dev tmpfs tmpfs 2.0G 0 2.0G 0% /dev/shm tmpfs tmpfs 2.0G 0 2.0G 0% /home/XXXXXXXXXXXXXXXXXXXXXXXXX tmpfs tmpfs 2.0G 0 2.0G 0% /home/XXXXXXXXXXXXX tmpfs tmpfs 2.0G 0 2.0G 0% /tmp/.X11-unix tmpfs tmpfs 392M 1.6M 390M 1% /run/systemd/journal/socket