Double-click the Terminal application to start it.Find the Terminal application in the list of utilities.Open your Finder and select “Utilities” from the “Go” menu bar.In order to get started with it, follow these steps: The terminal provides you with a text-based command line interface to the Unix shell component of Mac OS X. You will use the Terminal application on Mac OS X to generate an SSH key which will allow you to login to your server without manually entering a password, while giving you a higher level of security that comes from using key pairs.