# fdisk -l /dev/sda

Disk /dev/sda: 72.9 GB, 72999763968 bytes
255 heads, 63 sectors/track, 8875 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes

   Device Boot      Start         End      Blocks   Id  System
/dev/sda1   *           1         486     3903763+  82  Linux swap / Solaris
/dev/sda2             487         547      489982+  83  Linux
/dev/sda3             548        1155     4883760   83  Linux
/dev/sda4            1156        8875    62010900   83  Linux


# fdisk -l /dev/sda1
This disk has both DOS and BSD magic.
Give the 'b' command to go to BSD mode.

Disk /dev/sda1: 3997 MB, 3997453824 bytes
255 heads, 63 sectors/track, 485 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes

     Device Boot      Start         End      Blocks   Id  System
/dev/sda1p4   *           1           4       25000   a5  FreeBSD
Partition 4 has different physical/logical endings:
     phys=(1023, 254, 63) logical=(3, 28, 41)