
This technique is called concatenative inheritance, and the prototypes you inherit from are sometimes referred to as exemplar prototypes, which differ from delegate prototypes in that you copy from them, rather than delegate to them.
But first, let’s define what an operating system is. An Operating System (OS) is a collection of software that manages computer hardware and provides services for programs. Specifically, it hides hardware complexity, manages computational resources, and provides isolation and protection. Most importantly, it directly has privilege access to the underlying hardware.