Operating System (OS) is a software that manages computer (PCs, smart phones, etc.) hardware.
Apple iOS, Google Android
- Operating system. (2021, July 03). Retrieved August 18, 2021, from https://en.wikipedia.org/wiki/Operating_system#:~:text=An operating system (OS) is,common services for computer programs.&text=Operating systems are found on,to web servers and supercomputers.