Filesystem Type Size Used Avail Use% Mounted on udev devtmpfs 2.0G 0 2.0G 0% /dev tmpfs tmpfs 393M 1.4M 391M 1% /run /dev/mmcblk0p4 btrfs 29G 2.3G 26G 8% / tmpfs tmpfs 2.0G 0 2.0G 0% /dev/shm tmpfs tmpfs 5.0M 8.0K 5.0M 1% /run/lock /dev/mmcblk0p3 ext4 504M 92M 402M 19% /boot tmpfs tmpfs 393M 64K 393M 1% /run/user/XXXX