Simple way to mount any device is to write: <device name> <mount point>
Example for mounting a cd-rom drive:
# mount /dev/hdc /mnt/cdrom
This command is helpful when you finished using any drive and want to use another drive.
For Example, if you finished up using cd-rom and need to use another cd-rom in its place the follow the following command:
# umount /mnt/cdrom