> (GNU) dd has support for progress bar and even if not enabled, one can get statistics by sending USR1 signal to it. The OP knows that. The article says that

> (GNU) dd has support for progress bar and even if not enabled, one can get statistics by sending USR1 signal to it. The OP knows that. The article says that with pv, you have something that works for every command instead of needing to remember dd-specific syntax.