Filesystem Type Size Used Avail Use% Mounted on tmpfs tmpfs 16G 88K 16G 1% /etc/timezone /dev/sdb3 btrfs 476G 59G 416G 13% /usr tmpfs tmpfs 16G 0 16G 0% /usr/lib/x86_64-linux-gnu/GL tmpfs tmpfs 16G 0 16G 0% /usr/share/runtime/share/themes /dev/sdb3 btrfs 476G 59G 416G 13% /home tmpfs tmpfs 3.2G 172K 3.2G 1% /run/host/monitor devtmpfs devtmpfs 4.0M 0 4.0M 0% /dev tmpfs tmpfs 16G 0 16G 0% /dev/shm tmpfs tmpfs 16G 0 16G 0% /home/XXXXXXXXXXXXXXXXXXXXXXXX tmpfs tmpfs 16G 0 16G 0% /home/XXXXXXXXXXXX tmpfs tmpfs 6.3G 2.1M 6.3G 1% /run/media tmpfs tmpfs 16G 0 16G 0% /tmp/.X11-unix