Six Packs

I am doing simple exercises every day , to be fit and healthy. But people always like to have a sexy body , by having six packs..What are the ways by which you can develop your six packs.Do you have six packs ? IF yes how many months will it take to have a perfect six pack . I have also heard of many electronic devices and machines which give you six packs.

Is that safe to use those machines or gadgets. or is there any natural ways of developing six packs