ubuntu@ubuntu:~$ sudo -s
root@ubuntu:~# fdisk -l

Disk /dev/sda: 251.0 GB, 251000193024 bytes
18 heads, 4 sectors/track, 6808816 cylinders, total 490234752 sectors
Units = sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk identifier: 0x57be9db7

   Device Boot      Start         End      Blocks   Id  System
/dev/sda1   *        2048      718847      358400    7  HPFS/NTFS/exFAT
/dev/sda2          718848   285431807   142356480    7  HPFS/NTFS/exFAT
/dev/sda3       285431808   490229759   102398976    7  HPFS/NTFS/exFAT
root@ubuntu:~#