FPS Camera Basics

I am new to opengl and i have this assignment in which i have to implement a camera which moves within a maze in which WS are used to go forward and backwards whereas mouse to change the direction currently i am using glulookAt()method . i have read lot of tutorials but i cant really get my head around . Can some guide me to where to start from and also a code example would be great
Thanks

a simple google search can guide you through.

http://www.swiftless.com/tutorials/opengl/camera2.html

I take a look at this tutorial and seen to have all you need to implement a FPS camera.

Another suggestion is to ask for something more specific. It motivates other member to answer.