Christophe Nasarre here. I’m the Technical Reviewer of the upcoming sixth edition of Windows Internals , by Mark Russinovich, David Solomon, and Alex Ionescu, which is being released in two parts, the first part this month! My introduction to this series of posts, in which I choose excerpts from the book to share with you, and my first excerpt (from Chapter 1, “Concepts and Tools”) are here . Today I’d like to share an excerpt from Chapter 2, “System Architecture.” In Chapter 2, you get a view of the architecture of Windows. The System processes are examined with their relationships (which is starting which, for example), and the surface of the Idle process is scratched. (I’ll get back to this particular process later.) You are also presented with a way to figure out which system thread is more