rsync + Automator = free and easy backups for your MacOne of the most basic types of backup is the folder sync. Folder A lives on your Mac. Folder B is on an external hard drive. You want to make Folder B look exactly like Folder A. Granted, anyone could make this happen by dragging and dropping the contents of A to B. If you have a lot of data, that’s going to take a while each time, though. Fortunately, there’s a really easy, free way to make this
