Answer:
In the layered design, the virtualization is the main factor that control the kernel level visualization in the system. The operating system host is mainly run on the special type of altered kernel that basically contain the operating system for controlling and managing the virtual memory (VM).
In the non layered design, the system virtualization is the architecture design of the Linux and UNIX based operating system. The core of the operating system is the kernel that handle all the interaction between the operation system and the hardware.