mint@mint:~$ sudo su root
root@mint:/home/mint# sudo parted
GNU Parted 3.2
Using /dev/sda
Welcome to GNU Parted! Type 'help' to view a list of commands.
(parted) print devices
/dev/sda (128GB)
/dev/sdb (1000GB)
/dev/sdc (16.0GB)
(parted) ^C