# fdisk -l /dev/sda 

Disk /dev/sda: 150.0 GB, 150039945216 bytes
255 heads, 63 sectors/track, 18241 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes

   Device Boot      Start         End      Blocks   Id  System
/dev/sda1   *           1           5       40131   83  Linux
/dev/sda2               6         255     2008125   82  Linux swap / Solaris
/dev/sda3             256       18241   144472545   83  Linux
livecd linux #