df -h

udev            197M     0  197M   0% /dev
tmpfs            58M  1.9M   56M   4% /run
/dev/mmcblk0p1   30G  2.0G   27G   7% /
tmpfs           289M     0  289M   0% /dev/shm
tmpfs           5.0M  4.0K  5.0M   1% /run/lock
tmpfs           289M     0  289M   0% /sys/fs/cgroup
tmpfs            58M     0   58M   0% /run/user/1000