The Purpose of an Operating System and the Interaction Between an OS, Applications, and Hardware

Operating systems are the bridge between the user and the hardware i.e. (computer, tablet or cell phone). It allows the user to communicate with the hardware without knowing the program language. It manages the computer's memory and processes, as well as all of its software and hardware. According to geeksforgeeks.com there are nine main functions in operating systems Security, Control over systems performance, Job Accounting, Error detecting aids, Coordinating between software user, Memory Management and Process management. The Operating System is responsible for handling all sort of inputs, i.e. from keyboard, mouse, desktop, etc. The Operating System does all interfacing in the most appropriate manner regrading all kind of Inputs and Outputs. For example, there is difference in nature of all types of peripheral devices such as mouse or keyboard, then Operating System is responsible for handling data between them. Some of the top well known (OS) for computers are Microsoft Window "of course", macOS and Linux. Android is one of the premiere (OS) for mobile devices.