system toolbox » ubuntu

Disk /dev/sda: 40.0 GB, 40007761920 bytes
255 heads, 63 sectors/track, 4864 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Disk identifier: 0x00099e9e

   Device Boot      Start         End      Blocks   Id  System
/dev/sda1   *           1         730     5863693+   b  W95 FAT32
/dev/sda2             731        4688    31792635   83  Linux
/dev/sda3            4689        4864     1413720    5  Extended
/dev/sda5            4689        4864     1413688+  82  Linux swap / Solaris

root@krshko:~# sudo dd if=/dev/sda of=/boot/krshko.sda.image bs=446 count=1

1+0 records in
1+0 records out
446 bytes (446 B) copied, 0,000228534 seconds, 2,0 MB/s
root@krshko:~# fdisk /dev/sda