Maybe you should just read the article I linked. If you have more questions, then you can google those and figure it out. If through your process of learning,

Maybe you should just read the article I linked. If you have more questions, then you can google those and figure it out. If through your process of learning, you come up with an understanding of any situation, then you should form an opinion. I don't mean to be rude but your question is easily answerable by reading the article I linked (and it's a short one). If you're not going to take the 30 seconds to respect my comment, I will show none to your uninformed opinion.