A Linux-based system is a modular Unix-like Operating System (OS). It derives much of its basic design from principles established in Unix during the 1970s and 1980s. The primary difference between Linux and many other popular contemporary OS's is that the Linux kernel and other components are free and open-source software. (a) Draw the appropriate diagram to explain the main components of a Linux system. (b) Discuss the following properties of Linux OS: i. Portability. ii. Security and versatility. iii. Scalability.