$ df -h
Filesystem Size Used Avail Use% Mounted on
udev 3.9G 0 3.9G 0% /dev
tmpfs 788M 21M 767M 3% /run
/dev/sda1 110G 78G 28G 74% /
tmpfs 3.9G 156M 3.7G 4% /dev/shm
tmpfs 5.0M 8.0K 5.0M 1% /run/lock
tmpfs 3.9G 0 3.9G 0% /sys/fs/cgroup
/dev/sdb6 399G 174G 206G 46% /mnt/HDD
cgmfs 100K 0 100K 0% /run/cgmanager/fs
tmpfs 788M 68K 788M 1% /run/user/1000