Based on some of the comments about what a VM actually is, I think this 2-part series might help those who are wondering (me included) about the technicalities of building one's own VM:

- (Part 1) https://www.codeproject.com/Articles/43176/How-to-create-you... - (Part 2) https://www.codeproject.com/Articles/61924/How-to-create-you...