how do i create a screenshot on a mac os?

Below are a few keyboard tips on how to create a screenshot on a computer running a Mac Operating System:

• Press Command (Apple) Key + Shift + 3 - the entire screen is captured to a file on your desktop.
• Press Control + Command (Apple) Key + Shift + 3 – the entire screen is captured to your Clipboard. Thus, you can directly paste this screenshot, for example, to an image editing program.

• Press Command (Apple) Key + Shift + 4 – you can now use the mouse cursor to select a specific portion of the screen to be captured to a file on your desktop.
• Press Control + Command (Apple) Key + Shift + 4 - you can now use the mouse cursor to select a specific portion of the screen to be captured to your clipboard.