Now that we have our app.js file, the only thing left to do is to run it, and we'll do that over in Terminal. Now, to run this program, we have to navigate into our project folder. If you're not familiar with Terminal, I'll give you a quick refresher.
You can always figure out where you are using pwd on Linux or macOS, or the dir command on Windows. When you run it, you'll see something similar to the following screenshot:
I'm in the Users folder, and then I'm in my user folder, and my user name happens to be Gary.
We can use cd to navigate ...