Print Screen on Mac

I always wondered how to do so, but couldn't find a single key on the key board like Windows computers. Thanks to an article I found on Google, which has made impossible possible, and inconvenient super-convenient. Here are the steps on how to do it. 
Print the entire screen:

1. Hold down Apple key ⌘ + Shift + 3 and release all
2. then use your mouse or touchpad to simply click on the screen
3. Switch to Desktop. Here you go. You will see a picture file in at your desktop. That’s the screen capture picture. Done!!
Capture a portion of your screen:

1. Hold down Apple key ⌘ + Shift + 4 and release all key
2. Now, You will see the mouse cursor will change to +
3. You can start to drag your mouse to select the portion you wish to capture.
4. Once finish, you will see a picture file in at your desktop. That’s the screen capture picture!
Isn't it amazingly easy to capture screen with Mac? Bye-bye windows paint, bye-bye copy paste clipboard... :)