> Only when the reference count is zero will the file data be removed. Not even necessarily then, right? (That is, there's no guarantee that a file's data is

> Only when the reference count is zero will the file data be removed. Not even necessarily then, right? (That is, there's no guarantee that a file's data is zeroed out just because its reference count drops to 0.) It's more just that it's only when the reference count is 0 that the actual space occupied on disk can be overwritten.