df -h
Filesystem      Size  Used Avail Use% Mounted on
/dev/sdc1        40G  9.2G   29G  25% /
none            4.0K     0  4.0K   0% /sys/fs/cgroup
udev             95G  4.0K   95G   1% /dev
tmpfs            19G  912K   19G   1% /run
none            5.0M     0  5.0M   0% /run/lock
none             95G     0   95G   0% /run/shm
none            100M     0  100M   0% /run/user
ubuntu@bfs2:~$ lsblk
NAME   MAJ:MIN RM   SIZE RO TYPE MOUNTPOINT
sda      8:0    0 475.9G  0 disk 
└─sda1   8:1    0 475.9G  0 part 
sdb      8:16   0    40G  0 disk 
└─sdb1   8:17   0    40G  0 part 
sdc      8:32   0    40G  0 disk 
└─sdc1   8:33   0    40G  0 part /