Check file system storage

In Ubuntu:

df -h

Sample output:

Filesystem      Size  Used Avail Use% Mounted on
udev            984M     0  984M   0% /dev
tmpfs           200M  660K  199M   1% /run
/dev/vda1        58G   28G   31G  48% /
tmpfs           997M     0  997M   0% /dev/shm
tmpfs           5.0M     0  5.0M   0% /run/lock
tmpfs           997M     0  997M   0% /sys/fs/cgroup
/dev/vda15      105M  8.9M   96M   9% /boot/efi
tmpfs           200M     0  200M   0% /run/user/1000