An operating system is difficult to define, [6] but has been called "the layer of software that manages a computer's resources for its users and their applications ". [7] Operating systems include the software that is always running, called a kernel —but can include other software as well. [6][8] The two other types of programs that can run on a computer are system programs —which are ...
An Operating System (OS) is a software that acts as an interface between computer hardware components and the user. Every computer system must have at least one operating system to run other programs.
An operating system or OS is software installed on a computer's hard drive that enables the computer hardware to communicate and operate with the computer software.