Filesystem Type Size Used Avail Use% Mounted on tmpfs tmpfs 3.8G 100K 3.8G 1% /etc/timezone /dev/sda5 btrfs 659G 34G 625G 6% /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/sda4 btrfs 20G 5.8G 14G 31% /mnt tmpfs tmpfs 775M 9.9M 765M 2% /run/host/monitor udev devtmpfs 3.8G 0 3.8G 0% /dev tmpfs tmpfs 3.8G 0 3.8G 0% /dev/shm tmpfs tmpfs 3.8G 0 3.8G 0% /home/XXXXXXXXXXXXXXXXXXXXXXX tmpfs tmpfs 3.8G 0 3.8G 0% /home/XXXXXXXXXXX tmpfs tmpfs 3.8G 0 3.8G 0% /tmp/.X11-unix tmpfs tmpfs 775M 2.9M 772M 1% /run/systemd/journal/socket