7) Ctl-Z — Background a unix process
Ctl-Z (or Control-Z on your keyboard) is “background” which means “send the process to the background.” It frees up your shell prompt for more commands but keeps the process running. When you hit Ctl-Z, Rails says this slightly confusing message:
![stopping rails vs backgrounding it](https://jasonfleetwoodboldt.com/wp-content/uploads/2021/03/Rails-background-bash-—-115×49-2020-05-23-12-22-17.png)
What’s slightly confusing is that the app isn’t actually stopped at all, it is now just running in the background. (See #9)