How to drive a tractor trailer?

You need to learn truck driving from a school. First go to truck driving school for three weeks usually the time requested. During first three weeks you will learn bookwork, how the tractor trailer works. Then you get your Practice CDL. You need this to learn how to drive on there yard. After you learn how to drive on there yard, and got the full basic down you will go for a read test to get your real CDL. The test usually consist of three different parts, 1. Pri-trip. 2. Road Test, and 3. Backing Test. If you fail road test you do not have to retake the pri-trip and if you fail the backing you do not have to retake the pri-trip or road test. That is how you learn how to do drive a tractor trailer.