Frequently Given Answers written by Jonathan de Boyne Pollard is a plain html website that you may be interested in. Well, I was because it has some good points about how Windows works – and some more unrelated Windows stuff:

I was mainly interested in these articles:

• “the boot process of Windows NT version 6. “ (Vista)
• “the shutdown process of Windows NT version 6. ” (Vista)
• “What “sessions” are on Windows NT.”
• “Do not set shared file descriptors to non-blocking I/O mode“.

• “Google result counts are a meaningless metric.”

Well done!

It is not about Delphi but nonetheless you should read it to get some basic understanding.