Root Access

[bc]

This is a simple question, when I right click on a system file (i.e, user-shared-backgrounds) how do I allow root access so I can paste additional backgrounds in the file. For some reason, I can't remember. Thanks

[bc]

Guessed I ask a little too quickly. Figured it out by using "sudo caja" in the terminal to access system files. Maybe I should have search on DuckDuckGo before I asking the question.