How to Permanently erase computer files in your trash

This video shows you how to permanently delete items in your computers trash can. He states that the easiest way to delete all of the files you in trash can is just plainly hit the delete button. Apple also has a built in function in the trash can that allows you to protect certain files in your recycle bin. he gives the code sudo r - R to block the recycling bin from automatically deleting all files in your recycling bin.