df -h
Filesystem      Size  Used Avail Use% Mounted on
udev            990M   12K  990M   1% /dev
tmpfs           200M  1.4M  199M   1% /run
/dev/sda6        19G  7.0G   11G  40% /
none            4.0K     0  4.0K   0% /sys/fs/cgroup
none            5.0M     0  5.0M   0% /run/lock
none           1000M   76K  999M   1% /run/shm
none            100M   32K  100M   1% /run/user
/dev/sda7        79G   52G   23G  70% /home

BUT DF-I NOW GIVES US THIS

df-i
No command 'df-i' found, did you mean:
 Command 'dfi' from package 'seqan-apps' (universe)
df-i: command not found