Filesystem Type Size Used Avail Use% Mounted on tmpfs tmpfs 16G 84K 16G 1% /.flatpak-info /dev/sda3 ext4 457G 222G 213G 52% /usr tmpfs tmpfs 16G 0 16G 0% /usr/lib/x86_64-linux-gnu/GL tmpfs tmpfs 16G 0 16G 0% /usr/share/runtime/share/themes tmpfs tmpfs 3.2G 84K 3.2G 1% /run/host/monitor dev devtmpfs 16G 0 16G 0% /dev tmpfs tmpfs 16G 0 16G 0% /dev/shm tmpfs tmpfs 16G 0 16G 0% /home/XXXXXXXXXXXXXXXXXXXXXXXXXXX tmpfs tmpfs 16G 0 16G 0% /home/XXXXXXXXXXXXXXX /dev/sdb4 ext4 637G 506G 101G 84% /opt run tmpfs 16G 2.1M 16G 1% /run/media tmpfs tmpfs 16G 0 16G 0% /sys/fs/cgroup /dev/sdb2 ext4 12G 103M 12G 1% /var/log tmpfs tmpfs 16G 0 16G 0% /tmp/.X11-unix tmpfs tmpfs 16G 0 16G 0% /run/host/user-fonts-cache