Filesystem Type Size Used Avail Use% Mounted on tmpfs tmpfs 3.8G 92K 3.8G 1% /etc/timezone XXXX overlay 3.8G 1.4G 2.5G 36% XXXX tmpfs tmpfs 3.8G 0 3.8G 0% /usr/lib/x86_64-linux-gnu/GL tmpfs tmpfs 3.8G 0 3.8G 0% /usr/share/runtime/share/themes XXXX overlay 3.8G 1.4G 2.5G 36% XXXXXXXXXXXXXXX tmpfs tmpfs 775M 260K 775M 1% /run/host/monitor udev devtmpfs 3.8G 0 3.8G 0% /dev tmpfs tmpfs 3.8G 0 3.8G 0% /dev/shm /dev/mapper/XXXXXX iso9660 2.8G 2.8G 0 100% /cdrom tmpfs tmpfs 3.8G 0 3.8G 0% /home/XXXXXXXXXXXXXXXXXXXXXXXXX tmpfs tmpfs 3.8G 0 3.8G 0% /home/XXXXXXXXXXXXX /dev/loop0 squashfs 2.4G 2.4G 0 100% /rofs XXXXXXXX XXXXXXXX 124K 32K 88K 27% XXXXXXXXXXXXXXXXXXXXXXXXX XXXX overlay 3.8G 1.4G 2.5G 36% XXXXXXXXXXXXXXXXXXXX tmpfs tmpfs 3.8G 0 3.8G 0% /tmp/.X11-unix tmpfs tmpfs 3.8G 4.0K 3.8G 1% /tmp/.X11-unix/X0 tmpfs tmpfs 775M 1.7M 773M 1% /run/systemd/journal/socket