If you've taken the time to get the hang of terminal basics, you're probably at the point where you want to start putting together what you've learned. Sometimes issuing commands one at a time is enough, but there are cases when it can be tedious to enter command after command just to perform a simple task. This is where the extra symbols on your keyboard come in. For the shell, the terminal's command interpreter, those symbols are not wasted keys -- they're powerful operators that can link information together, split it apart, and much more.