# fdisk -v
fdisk (util-linux-ng 2.16.1)

Usage: fdisk [-b SSZ] [-u] DISK     Change partition table
	   fdisk -l [-b SSZ] [-u] DISK  List partition table(s)
	   fdisk -s PARTITION           Give partition size(s) in blocks
	   fdisk -v                     Give fdisk version
Here DISK is something like /dev/hdb or /dev/sda
and PARTITION is something like /dev/hda7
-u: give Start and End in sector (instead of cylinder) units
-b 2048: (for certain MO disks) use 2048-byte sectors