Mac Tips: How to delete locked files on Mac

Got an Apple, Mac or iOS tech question? We have the answer. This time we have a reader who wants to know how to get rid of files that he's tossed into his Mac's Trash but can't be deleted because they have "protected" status. We'll show you how to get rid of such files with a few simple steps.QuestionI have a 21-inch iMac and have recently moved some of the files from my backup disc to the trash, but they won't delete. I'm getting a message saying that they are protected. Is their any