Operating System (OS) is a software that acts as an interface between computer hardware components and the user. In fact, you can call it a medium through which different parts of the user and computer can interact with each other. Operating system is also called system software . Most people also call it "OS" by short name. It is also called the heart of the computer, the operating system is a system software, which acts as an interface between the user and the computer hardware . Let me explain this sentence directly, whenever you run the computer, then only this OS gives you the means to use the computer. Like you listen to a song by clicking on a .mp3 file, double-clicking on a word document, opening three or four windows, writing something on the keyboard, and saving some files on the computer, etc. So you can never do all this without Operating System. What is meant by operating system? Operating System is a software with the help of which you run your computer. Therefo...