It's ok, don't get dissapointed. If you found the /home folder, now type:
and this will show you the users... you should be able to see your user as a folder ok? when you find it type:
and there you go.... you are in your user's folder.
From here you can play adding and removing files without any danger. you can play with this:
echo "Hello World" > hello.txt
mv hello.txt welcome.txt
Remember that if you need any help with an specific command, just type:
(use "q" to exit the manual pages)