Question

what is an operating system​

Answer 1

An operating system, or "OS," is software that communicates with the hardware and allows other programs to run. ... Every desktop computer, tablet, and smartphone includes an operating system that provides basic functionality for the device. Common desktop operating systems include Windows, OS X, and Linux.

Answer 2

$\huge\mathfrak\pink{☆Answer☆}$

An operating system (OS) is system softwarethat manages computer hardware, softwareresources, and provides common services for computer programs.

Time-sharing operating systems schedule tasks for efficient use of the system and may also include accounting software for cost allocation of processor time, mass storage, printing, and other resources