The command line window is actually our commonly used terminal program. The command line window is often used by advanced users, but it is more troublesome to open the terminal program on a Mac computer. Here are a few shortcuts to easily open the terminal program.
method one,
1. Press and hold command+space on the Mac keyboard ,
2. In the pop-up window, enter " terminal program ".
Method Two,
1. Open the Finder program and click "Go" in the menu bar at the top of the screen;
2. Select "Utility" in the pop-up menu, 3. Enter the pop-up window and select "Terminal" to complete.