So you bought your first ever DSLR. Congratulations! However, this does not make you a professional photographer. If you though of using your new DSLR only on auto, then just go and buy yourself a point and shoot camera. Otherwise stick with this post to find out how to work your camera best.
Depending on the pictures you wan’t to take you might want to learn about the holly trinity of photography. That is, shutter, aperture and ISO.