Filesystem Type Size Used Avail Use% Mounted on tmpfs tmpfs 3.9G 76K 3.9G 1% /.flatpak-info XXXX overlay 3.9G 1.6G 2.4G 41% XXXX tmpfs tmpfs 3.9G 0 3.9G 0% /usr/share/runtime/share/themes XXXX overlay 3.9G 1.6G 2.4G 41% XXXXXXXXXXXXXXX XXXX overlay 3.9G 1.6G 2.4G 41% XXXXXXXX tmpfs tmpfs 793M 108K 793M 1% /run/host/monitor udev devtmpfs 3.9G 0 3.9G 0% /dev tmpfs tmpfs 3.9G 0 3.9G 0% /dev/shm /dev/sdb1 iso9660 2.4G 2.4G 0 100% /cdrom tmpfs tmpfs 3.9G 0 3.9G 0% /home/XXXXXXXXXXXXXXXXXXXXXXXXXXX tmpfs tmpfs 3.9G 0 3.9G 0% /home/XXXXXXXXXXXXXXX /dev/loop0 squashfs 2.3G 2.3G 0 100% /rofs tmpfs tmpfs 3.9G 0 3.9G 0% /sys/fs/cgroup /dev/disk/by-label/writable ext4 1.3G 6.2M 1.3G 1% /var/log tmpfs tmpfs 3.9G 0 3.9G 0% /tmp/.X11-unix tmpfs tmpfs 793M 9.7M 784M 2% /run/systemd/journal/socket tmpfs tmpfs 3.9G 0 3.9G 0% /run/host/user-fonts-cache