Recall Previous Commands
Sometimes it's expedient to quickly recall a previous command without the need to re-type it. The most common means of accomplishing this is to use the up-arrow. Let's try it:
Now, let's repeat the command, but rather than type ls again, try typing the up-arrow:
Try pressing the ↑ and ↓ several times.
- What happens each time you press the ↑?
- What happens each time you press the ↓?