Okay, so the noob in me is in full force today. I'm trying to copy some files onto my external drive, but it won't allow me. Yes, I've checked the permissions which say I have full write privileges, but I can't create a new folder in it, and I also can't copy a folder to it.
In terminal I get this error: cp: -r not specified I can't find the answer on google. Can someone here explain, please?

