You'll kick yourself for not knowing these.
A Linux terminal has a lot more features than the TeleType of yore. On a TeleType, text spews out and scrolls up and is gone forever. A real terminal can use escape characters to do navigate around ...
Before you format that drive, have a quick, honest chat with yourself.
Linux 101: What are stopped jobs on Linux, and how do you use them? Your email has been sent Have you ever gone to exit out of a Linux terminal, only to be warned there are stopped jobs? What are ...