List 5 major functions of a operating system?

*An operting system manages hardware, runs applications, provides an interface for users, and stores, retrieves, and manipulates files.

*It manages the hardware and software resources of the system.

*It provides a stable, consistent way for applications to deal with the hardware without having to know all the details of the hardware.

*System tool (programs) used to monitor computer performance,debug,problems, or maintain parts of the system.

*A set of libraries or functions which may use to perform specific tasks especially relating to interfacing with computer system components.