# df -h
Filesystem            Size  Used Avail Use% Mounted on
/dev/mapper/vg_main-lv_root
                      6.7G  4.8G  1.6G  76% /
tmpfs                 1.9G     0  1.9G   0% /dev/shm
/dev/vda1             485M  2.3M  457M   1% /boot