WordPress Multi User Intro
NOTE: WordPress MU is no longer under active development as a separate product. Its features were added to and released with WordPress 3.0. No you can simply install WordPress and Create A WordPress Multi User Network instead. It works pretty much the same.
The WordPress Multi User or WordPress Network
There are several reasons to enable the WPMU environment, but for me it’s really just 3.
Easy to manage multiple URL’s with just one login
Ease of upkeep of plugins and themes, since all share these
The ability to share users across URL’s for larger applications
In just these 3 areas, the WordPress Multi User Network has […] Read more