Command-line cheatsheet
Quick list of the most common commands you'll need for the tutorial.

Which folder am I in?

You can use the command line to move through folders on your computer, just like with Finder on a Mac or File Explorer on Windows.
To see your location in your computer's file system, use the pwd (Print Working Directory) command:
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$ pwd
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See what's in a folder

You can get a list of all the files in your current location, using the ls (list) command.
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$ ls
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Pro tip: anything in the list that is followed by a forward slash is a folder, e.g. Desktop/
You can even look at what's inside other folders. Let's say you're currently inside Desktop/ and you want to see what's inside Desktop/pics/, you can do this:
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$ ls pics/
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Go inside a different folder

If you want to go from Desktop/ to Desktop/pics/, use the cd (Change Directory) command.
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cd pics/
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Go back up to the parent folder

If you decide you've had enough of pics/ and want to go back up the chain to Desktop/ you need to do something slightly different.
Desktop/ is one folder up, so you need to do this:
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cd ..
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The .. means the parent folder, i.e. the folder that the current folder lives inside.