What makes the system space and the user space different?

Can the kernel components of a standard operating system be summed up in a single sentence?

An explanation of the layered approach to the architecture of operating systems may be found as follows: I was curious about the pros and cons of using this method and was hoping someone might enlighten me. Why not use an image to illustrate what you mean in order to make your point more clear and get it through in a more concise manner?

What is the actual distinction between the system space and the user space?

After that, define computer environment in your own terms and describe THREE different computing environments that may be found in this situation, starting with the most fundamental.

When writing an abstract for a new operating system, what considerations should you keep in mind?

What precisely does it mean to configure the different pieces of software that you have? Is it feasible to have a discussion on the administration of configurations?

What would you add in the abstract part to build your own operating system?

Perhaps a quick description of the two most important functions of the operating system might appear here?

Three computing environments are defined here.