How to hide hidden files?

So, I'm an idiot. A really big idiot.

I was messing around in the Terminal and accessed root [sudo -s]

I assumed root access would end upon closing the terminal, but I guess not.
I can see all my hidden files (e.g., mach_kernal). How do I disable root and get back to not being able to see my hidden files?

I've learned my lesson - never mess around with things you don't understand.


Thanks for your help!

 

Thanks!

Thanks for the quick reply!

I assume root is no longer "active." Just want to make sure I'm not endangering myself from making any even dumber mistake