Filesystem Size Used Avail Use% Mounted on /dev/sda1 39G 20G 17G 54% /usr tmpfs 963M 0 963M 0% /usr/share/runtime/share/themes tmpfs 193M 72K 193M 1% /run/host/monitor udev 931M 0 931M 0% /dev tmpfs 963M 0 963M 0% /dev/shm tmpfs 963M 0 963M 0% /home/XXX tmpfs 963M 0 963M 0% /home/XXX tmpfs 963M 0 963M 0% /sys/fs/cgroup tmpfs 963M 0 963M 0% /tmp/.X11-unix tmpfs 193M 1.4M 192M 1% /run/systemd/journal/socket