How to view only unread messages in GMail

This was something that have been bothering me for a long time, since I’ve some unread messages but I didn’t knew how to find them.
Finally I’ve decided to google “gmail feature request”, and the 5th hit says “Gmail feature request – show unread messages first;)
So, basically you put “label:unread” in the search box and you get all the unread messages :)

Daniel Botelho