Filesystem Type Size Used Avail Use% Mounted on tmpfs tmpfs 7.8G 100K 7.8G 1% /etc/timezone /dev/sda3 ext4 641G 42G 566G 7% /usr tmpfs tmpfs 7.8G 0 7.8G 0% /usr/lib/x86_64-linux-gnu/GL tmpfs tmpfs 7.8G 0 7.8G 0% /usr/share/runtime/share/themes tmpfs tmpfs 1.6G 148K 1.6G 1% /run/host/monitor udev devtmpfs 7.7G 0 7.7G 0% /dev tmpfs tmpfs 7.8G 0 7.8G 0% /dev/shm tmpfs tmpfs 7.8G 0 7.8G 0% /home/XXXXXXXXXXXXXXXXXXXXXXXXXX tmpfs tmpfs 7.8G 0 7.8G 0% /home/XXXXXXXXXXXXXX tmpfs tmpfs 7.8G 0 7.8G 0% /tmp/.X11-unix tmpfs tmpfs 1.6G 3.2M 1.6G 1% /run/systemd/journal/socket