ubuntu@ubuntu:~$ sudo fdisk -l

Disk /dev/sda: 1031 MB, 1031798784 bytes
32 heads, 62 sectors/track, 1015 cylinders, total 2015232 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: 0x000de1e2

   Device Boot      Start         End      Blocks   Id  System
/dev/sda1   *          62     2013759     1006849   83  Linux