Filesystem Size Used Avail Use% Mounted on tmpfs 5.9G 76K 5.9G 1% /.flatpak-info /dev/sdb3 921G 30G 891G 4% /usr tmpfs 5.9G 0 5.9G 0% /usr/share/runtime/share/icons tmpfs 1.2G 72K 1.2G 1% /run/host/monitor devtmpfs 5.8G 0 5.8G 0% /dev tmpfs 5.9G 0 5.9G 0% /dev/shm tmpfs 5.9G 1.7M 5.8G 1% /run/media tmpfs 5.9G 0 5.9G 0% /sys/fs/cgroup tmpfs 5.9G 0 5.9G 0% /sysroot/home/XXX tmpfs 5.9G 0 5.9G 0% /sysroot/home/XXX tmpfs 5.9G 0 5.9G 0% /tmp/.X11-unix tmpfs 5.9G 0 5.9G 0% /run/host/user-fonts-cache