Filesystem Type Size Used Avail Use% Mounted on tmpfs tmpfs 2.9G 116K 2.9G 1% /.flatpak-info XXXX overlay 2.9G 2.1G 802M 73% XXXX tmpfs tmpfs 2.9G 0 2.9G 0% /usr/lib/x86_64-linux-gnu/GL tmpfs tmpfs 2.9G 0 2.9G 0% /usr/share/runtime/share/themes XXXX overlay 2.9G 2.1G 802M 73% XXXXXXXXXXXXXXX XXXX overlay 2.9G 2.1G 802M 73% XXXXXXXX tmpfs tmpfs 586M 80K 586M 1% /run/host/monitor udev devtmpfs 2.9G 0 2.9G 0% /dev tmpfs tmpfs 2.9G 0 2.9G 0% /dev/shm /dev/sdb1 iso9660 1.9G 1.9G 0 100% /cdrom tmpfs tmpfs 2.9G 0 2.9G 0% /home/XXXXXXXXXXXXXXXXXXXXXXXXX tmpfs tmpfs 2.9G 0 2.9G 0% /home/XXXXXXXXXXXXX /dev/loop0 squashfs 1.8G 1.8G 0 100% /rofs tmpfs tmpfs 2.9G 0 2.9G 0% /sys/fs/cgroup /dev/disk/by-label/writable ext4 1.8G 6.5M 1.7G 1% /var/log tmpfs tmpfs 2.9G 0 2.9G 0% /tmp/.X11-unix tmpfs tmpfs 2.9G 8.0K 2.9G 1% /tmp/.X11-unix/X99 tmpfs tmpfs 586M 8.9M 577M 2% /run/systemd/journal/socket tmpfs tmpfs 2.9G 0 2.9G 0% /run/host/user-fonts-cache