Filesystem Type Size Used Avail Use% Mounted on none tmpfs 2.9G 0 2.9G 0% / /dev/sda3 ext4 218G 18G 189G 9% /etc /dev/loop0 squashfs 64M 64M 0 100% /opt tmpfs tmpfs 2.9G 0 2.9G 0% /usr/share tmpfs tmpfs 582M 3.1M 579M 1% /run tmpfs tmpfs 5.0M 4.0K 5.0M 1% /run/lock tmpfs tmpfs 2.9G 0 2.9G 0% /run/adsys tmpfs tmpfs 582M 96K 582M 1% /run/user/XXXX /dev/loop1 squashfs 128K 128K 0 100% /snap/XXXXXX /dev/loop2 squashfs 92M 92M 0 100% /snap/XXXXXXXXXXXXXXXXXXXXXX /dev/loop3 squashfs 12M 12M 0 100% /var/lib/snapd/hostfs/snap/XXXXXXXXXXXXX /dev/loop4 squashfs 438M 438M 0 100% /snap/XXXXXXXXXXXXXXXXX /dev/loop5 squashfs 39M 39M 0 100% /snap/XXXXXXXXXXX udev devtmpfs 2.8G 0 2.8G 0% /dev tmpfs tmpfs 2.9G 0 2.9G 0% /dev/shm tmpfs tmpfs 2.9G 0 2.9G 0% /snap/XXXXXXXXXXXXX tmpfs tmpfs 2.9G 0 2.9G 0% /snap/XXXXXXXXXXXXXXXXXXXXXX