Now that we have
Terminal up and running, let's get familiar with it by running a quick command that exposes all of the hidden files on your computer. Whether you know it or not, there are a variety of files that are hidden, and they will need to be visible in order for us to complete the setup of our development environment.
defaults write com.apple.finder AppleShowAllFiles TRUE
Finder, type the following command, and press Enter:
We just used
Terminal to run a special command ...