In the terminal, type
This opens up a new file in nano.
(Tip: If you are unable to type ~, you can find help here.)
In ~/.bash_profile, at the top of the file, type
echo "Welcome, Jane Doe"
You can use your name in place of "Jane Doe".
Type Ctrl + O to save the file.
Press Enter to write the filename.
Type Ctrl + X to exit.
Finally, type clear to clear the terminal window.
I get stuck after the first part