troubleshooting Question

How does the DD Program in Linux work internally (programatically)?

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Mr_FulanoFlag for United States of America asked on
LinuxOperating SystemsProgramming
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Hello, I would like to preface my questions by saying that I DO NOT know much about OS Development. I have never done any work in this arena, so please forgive me if my questions is not well phrased for this audience. 

I am interested in learning how the DD program works (internally). That meaning, I would like to see the code that goes into the DD program and understand how it does what it does. (I'm not sure if that is even possible), but If so, I would very much like to understand the inner workings (the programming) within the DD program in Linux.

 - Is that something that is obtainable? 

 - Are there any articles that you could suggest to help me understand such a topic?

 - Is the DD program written over and over again by different developers, or is there just one version and that is "freeware" and that is used by everyone that develops a new flavor of Linux?

Again... please excuse me for my lack of understanding of this arena.

Any help you can provide me in understanding the topic at hand would be greatly appreciated. 

Thank you!

Gary Patterson, CISSP
Expert for hire: IBM i, AIX, Linux, Windows, DB2, Performance, Security. EDI

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