How does UI message goes to OS and OS return outout

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Hi,

I want to know, how Windows Operating System send any message(mouse click, keyboard press or writing any command like dir etc in command prompt+press Enter) to OS and OS respond to UI.
I want to know the complete working. Can anyone suggest any link or vedio which describe this in details

Thanks
Saurabh

What I have tried:

Searching on net, google and tried to understand OS working. but didnt get what i need

Posted 1-Feb-18 22:24pm

saurabh.15in

Updated 1-Feb-18 22:37pm

OriginalGriff

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OriginalGriff · Accepted Answer · 2018-02-01T22:36:00

That's not a question we can answer in a little text box - it's far, far too big a question, and requires a substantial amount of work. Indeed whole books on the subject exist!

This is the one you probably need to read: Windows Internals Book - Windows Sysinternals | Microsoft Docs[^] - but don't expect it to be a "couple of hours" to get through: you are looking at 1400~1500 pages of pretty technical stuff in two volumes!