I built a faster alternative to cp and rsync —...

I'm a systems engineer. I spend a lot of time copying files — backups to USB drives, transfers to NAS boxes, moving data between servers over SSH. And I kept running into the same frustrations: cp -r is painfully slow on HDDs when you have tens of thousands of small files rsync is powerful but complex, and still slow for bulk copies scp and SFTP top out at 1-2 MB/s on transfers that should be much faster No tool tells you upfront if the destination even has enough space So I built fast-copy — a