Filesystem Type Size Used Avail Use% Mounted on tmpfs tmpfs 1.9G 100K 1.9G 1% /etc/timezone /dev/sdb3 btrfs 457G 9.0G 446G 2% /usr tmpfs tmpfs 1.9G 0 1.9G 0% /usr/lib/x86_64-linux-gnu/GL tmpfs tmpfs 1.9G 0 1.9G 0% /usr/share/runtime/lib/plugins tmpfs tmpfs 1.9G 0 1.9G 0% /usr/share/runtime/share/themes /dev/sdb3 btrfs 457G 9.0G 446G 2% /home tmpfs tmpfs 380M 11M 370M 3% /run/host/monitor devtmpfs devtmpfs 4.0M 0 4.0M 0% /dev tmpfs tmpfs 1.9G 0 1.9G 0% /dev/shm tmpfs tmpfs 1.9G 0 1.9G 0% /home/XXXXXXXXXXXXXXXXXXXXXXXX tmpfs tmpfs 1.9G 0 1.9G 0% /home/XXXXXXXXXXXX tmpfs tmpfs 760M 1.8M 758M 1% /run/media tmpfs tmpfs 1.9G 0 1.9G 0% /tmp/.X11-unix