operating systems and interfaces

what is a o.s. (operating system)?

A operating system does the low-level software that supports a computer's basic functions. It also is a soft ware that manages computer hardware. The operating system is the most important program that runs on a computer. Every operating system is needed to run applications and programs.

some examples of operating systems

Google chrome o.s. , HDOS, Apple DOS, Arthur, and Xenix.

Three Types of Interfaces