You have just asked a question you could have easily found an answer to on Google. Someone sent you this link to make you aware of your lazyness.
Google is NOT your enemy! In fact, if you treat it well, Google can be such a good friend.
What's wrong with nurturing that friendship and asking Google some questions before using up the valuable time of those who could help you with tougher problems?
Try it, just type in your question in the field above and hit 'Enter'. It's amazing to see all those search results magically appear in front of you.
What are you waiting for? Don't be afraid, it won't hurt, promise...