mount	mount file systems

	Usage:

	mount [-dfpruvw] [-o options] [-t ufs | external_type] special node
	mount [-adfpruvw] [-t ufs | external_type]
	mount [-dfpruvw] special | node

	E.g.:

	* mount UFS floppy A: on /mnt directory:

		mount /dev/fd0c /mnt

	* mount DOS primary partition (on primary IDE drive) on /dos:

		mount -t msdos /dev/wd0s1 /dos

	* mount Linux partition on /mnt

		mount -t ext2fs /dev/wd0s1 /mnt