Filesystem Type Size Used Avail Use% Mounted on tmpfs tmpfs 3.9G 104K 3.9G 1% /etc/timezone /dev/sda3 btrfs 446G 15G 428G 4% /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/lib/plugins /dev/sda3 btrfs 446G 15G 428G 4% /home tmpfs tmpfs 786M 168K 786M 1% /run/host/monitor devtmpfs devtmpfs 4.0M 0 4.0M 0% /dev tmpfs tmpfs 3.9G 0 3.9G 0% /dev/shm tmpfs tmpfs 3.9G 0 3.9G 0% /home/XXXXXXXXXXXXXXXXXXXXXXXXX tmpfs tmpfs 3.9G 0 3.9G 0% /home/XXXXXXXXXXXXX tmpfs tmpfs 1.6G 1.8M 1.6G 1% /run/media /dev/sdb1 vfat 466G 1.9G 464G 1% /run/media/XXXXXXXXXX tmpfs tmpfs 3.9G 0 3.9G 0% /tmp/.X11-unix