> This tool simply identifies files that point at literally the same data on disk because they were duplicated in a copy-on-write setting. You misunderstood th

> This tool simply identifies files that point at literally the same data on disk because they were duplicated in a copy-on-write setting. You misunderstood the article, as it's basically doing the opposite of what you said. This tool finds duplicate data that is specifically not duplicated via copy-on-write, and then turns it into a copy-on-write copy.