Disk /dev/sda: 500.1 GB, 500107862016 bytes
255 heads, 63 sectors/track, 60801 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Disk identifier: 0x36044a7d

   Device Boot      Start         End      Blocks   Id  System
/dev/sda1               1        1793    14402241   83  Linux
/dev/sda2           59290       60801    12145140    5  Extended
/dev/sda3   *        1794       59289   461836620   83  Linux
/dev/sda5           60046       60801     6072538+  82  Linux swap / Solaris
/dev/sda6           59290       60045     6072507   82  Linux swap / Solaris

Partition table entries are not in disk order
giorgos@giorgos-desktop:~$