
open System Preferences > Users & Groups.navigate to the system's Users folder and copy the user's home folder over to the other partition.navigate to your other partition and create a base home folder (to use Apple's naming convention, create a folder named "Users").
#How big partition for mac osx password
type in root into the username field and supply the password you just gave it.log out of the current to-be-moved user.
from the menu "Edit" click "Enable Root Account" and supply a password for that account. click on "Join" next to Network Account Server. open the padlock on the lower left-hand corner. Create a partition to use for the home folder (Disk Utility is the built-in choice to do so). While not recommended (potentially due to not being easy to do), it is possible to move a home folder to a different partition. As mentioned by the other comments, Apple's default partition scheme is to have everything on ONE partition.