To Understand the Types of Operating System

References

1. A. Silberschatz, P. B. Galvin, and G. Gagne, Operating System Concepts, 10^th ed. Wiley, 2018.
2. W. Stallings, Operating Systems: Internals and Design Principles, 9^th ed. Boston, MA: Pearson, 2018.
3. A. S. Tanenbaum and H. Bos, Modern Operating Systems, 4^th ed. Boston, MA: Pearson, 2015.