Checks your disks for potential problems and alerts you when it finds them. As soon as it has located a problem, it will fix it for you. Or, if you're an expert, you can opt to sort out the problem for yourself. Reminds you to perform regular backups and change security passwords. Public Utilities will repair damaged files, and undelete erased files, even after optimization. Public Utilities is a proactive facility: it doesn't just wait for disaster to strike, but operates in the background, checking all your disks, including floppies, never wasting valuable processing time. For Macintosh Plus or newer.