mount_msdos	mount an MS-DOS file system

	Usage:

	mount_msdos [-o options] [-u user] [-g group] [-m mask] bdev dir

	E.g. to mount primary DOS partition of primary IDE drive on /dos:

		mount_msdos /dev/wd0s1 /dos

	To mount first extended partition on /mnt:

		mount_msdos /dev/wd0s5 /mnt