Setting Up Multisite Networks
Up to this point, you’ve looked at using WordPress to manage a single website. However, WordPress can be used to create a network of related sites similar to wordpress.com or edublogs.com. Even if you don’t need to create a whole network of user sites, you could use the network features to manage multiple sites rather than installing WordPress separately for each one. This would be especially useful if your group of sites shares the same pool of users, since they would each have one account instead of several.
While the network-enabled WordPress (known as multisite mode) looks mostly the same, there are ...