vadiraj@vadiraj-VirtualBox:/dev$ sudo fdisk -l

Disk /dev/sda: 8589 MB, 8589934592 bytes
255 heads, 63 sectors/track, 1044 cylinders, total 16777216 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: 0x00032419

   Device Boot      Start         End      Blocks   Id  System
/dev/sda1   *        2048    13631487     6814720   83  Linux
/dev/sda2        13633534    16775167     1570817    5  Extended
/dev/sda5        13633536    16775167     1570816   82  Linux swap / Solaris