Filesystem Type Size Used Avail Use% Mounted on tmpfs tmpfs 6.8G 88K 6.8G 1% /etc/timezone /dev/dm-0 btrfs 781G 522G 258G 67% /usr tmpfs tmpfs 6.8G 0 6.8G 0% /usr/lib/x86_64-linux-gnu/GL /dev/dm-0 btrfs 781G 522G 258G 67% /home tmpfs tmpfs 1.4G 216K 1.4G 1% /run/host/monitor devtmpfs devtmpfs 4.0M 0 4.0M 0% /dev tmpfs tmpfs 6.8G 0 6.8G 0% /dev/shm tmpfs tmpfs 6.8G 0 6.8G 0% /home/XXXXXXXXXXXXXXXXXXXXXXXXXX tmpfs tmpfs 6.8G 0 6.8G 0% /home/XXXXXXXXXXXXXX tmpfs tmpfs 2.7G 2.3M 2.7G 1% /run/media XXXXXXXX XXXXXXXX 496K 95K 397K 20% XXXXXXXXXXXXXXXXXXXXXXXXX tmpfs tmpfs 6.8G 0 6.8G 0% /tmp/.X11-unix