Get some of the basics down with JS and TS!
Using node!
pwd - show my dir path
cd - change to a folder
ls - show me what is in this folder
rm - remove a file
rm app.js
the above code will remove a file from the current folder you are in.
mkdir - make a folder
touch - make a file
&& - do the thing on the left, then do the thing on the right.
mkdir javascript && cd javascript
the above code will make a folder named "javascript" and open that folder