How to use dd in Linux without destroying your disk | Opensource.com

https://opensource.com/article/18/7/how-use-dd-linux

There’s some truth to that old Unix admin joke: “dd stands for disk destroyer.”

If you know what you are using, dd is a simple and powerful image-copying tool that’s been around, well, pretty much forever. There’s all kinds of stuff you can do with dd.

In addition to dd this article also introduces you to Pipe Viewer tool.