Filesystem Type Size Used Avail Use% Mounted on /dev/sda2 ext4 457G 367G 68G 85% /usr tmpfs tmpfs 9.8G 0 9.8G 0% /usr/lib/x86_64-linux-gnu/GL tmpfs tmpfs 9.8G 0 9.8G 0% /usr/share/runtime/share/themes none tmpfs 9.8G 72K 9.8G 1% /.flatpak-info tmpfs tmpfs 2.0G 88K 2.0G 1% /run/host/monitor udev devtmpfs 9.8G 0 9.8G 0% /dev tmpfs tmpfs 9.8G 0 9.8G 0% /dev/shm tmpfs tmpfs 9.8G 0 9.8G 0% /home/XXXXXXXXXXXXXXXXXXXXXXXXXXX tmpfs tmpfs 9.8G 0 9.8G 0% /home/XXXXXXXXXXXXXXX tmpfs tmpfs 9.8G 0 9.8G 0% /sys/fs/cgroup tmpfs tmpfs 9.8G 0 9.8G 0% /tmp/.X11-unix tmpfs tmpfs 2.0G 1.5M 2.0G 1% /run/systemd/journal/socket