Alternatively, you can open a command shell directly in GNOME by opening the Activities Overview, clicking Applications, opening the Utilities collection, and then clicking the Terminal icon. This opens a command shell in a window right on the GNOME desktop, as shown. Because this shell runs within the user account that GNOME is logged on as, you don’t have to log on. You can just start typing commands. When you’re done, type Exit to close the window.
A terminal window.