Filesystem Type Size Used Avail Use% Mounted on tmpfs tmpfs 3.9G 92K 3.9G 1% /etc/timezone /dev/sda3 ext4 916G 12G 858G 2% /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/share/themes tmpfs tmpfs 786M 200K 786M 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/XXXXXXXXXXXXXXXXXXXXXXXXXXX tmpfs tmpfs 3.9G 0 3.9G 0% /home/XXXXXXXXXXXXXXX tmpfs tmpfs 3.9G 0 3.9G 0% /tmp/.X11-unix tmpfs tmpfs 786M 1.5M 784M 1% /run/systemd/journal/socket