Filesystem Type Size Used Avail Use% Mounted on tmpfs tmpfs 3.9G 88K 3.9G 1% /etc/timezone /dev/sda2 ext4 439G 29G 388G 7% /usr tmpfs tmpfs 3.9G 0 3.9G 0% /usr/lib/x86_64-linux-gnu/GL tmpfs tmpfs 790M 236K 790M 1% /run/host/monitor udev devtmpfs 3.8G 0 3.8G 0% /dev tmpfs tmpfs 3.9G 0 3.9G 0% /dev/shm tmpfs tmpfs 3.9G 0 3.9G 0% /home/XXXXXXXXXXXXXXXXXXXXXXXXXXX tmpfs tmpfs 3.9G 0 3.9G 0% /home/XXXXXXXXXXXXXXX /dev/sdb3 ext4 27G 26G 0 100% /media/XXXXXXXXXXXXXXXX /dev/sdb1 iso9660 2.6G 2.6G 0 100% /media/XXXXXXXXXXXXX 20.04 LTS amd641 /dev/loop2 squashfs 241M 241M 0 100% /snap/XXXXXXXXXXXXXXXXXX /dev/loop1 squashfs 55M 55M 0 100% /snap/XXXXXXXXXXX /dev/loop4 squashfs 63M 63M 0 100% /snap/XXXXXXXXXXXXXXXXXXXXXX /dev/loop3 squashfs 256M 256M 0 100% /snap/XXXXXXXXXXXXXXXXXX /dev/loop0 squashfs 9.2M 9.2M 0 100% /snap/XXXXXXXXXXXXXXXXXXXXXX /dev/loop5 squashfs 97M 97M 0 100% /snap/XXXXXXXXX /dev/loop8 squashfs 28M 28M 0 100% /snap/XXXXXXXXXX /dev/loop10 squashfs 30M 30M 0 100% /snap/XXXXXXXXXX /dev/loop11 squashfs 56M 56M 0 100% /snap/XXXXXXXXXXX tmpfs tmpfs 4.0M 0 4.0M 0% /sys/fs/cgroup tmpfs tmpfs 3.9G 0 3.9G 0% /tmp/.X11-unix tmpfs tmpfs 790M 2.0M 788M 1% /run/systemd/journal/socket