An operating system (OS) is system software that manages computer hardware and software resources, and provides common services for computer programs. [1] An operating system is the software that makes your computer come alive. It manages your apps, hardware, files, and security, shaping the experience every time you sit down at your device. Every click, tap, and scroll travels through the OS, turning your input into something that feels fast, smooth. An Operating System (OS) is a software program that manages the hardware and software resources of a computer. It is like the manager of the computer that tells how other programs and hardware components work together. An Operating System (OS) is an interface between a computer user and computer hardware. An operating system is a software which performs all the basic tasks like file management, memory management, process management, handling input and output, and controlling peripheral devices such as disk drives and printers. operating system (OS), program that manages a computer ’s resources, especially the allocation of those resources among other programs. Typical resources include the central processing unit (CPU), computer memory, file storage, input/output (I/O) devices, and network connections. List of the Top and Most Popular Operating Systems with Features and Comparison. Pick the Best OS for your business or personal use from this list. An Operating System (OS) is a software that manages and handles hardware and software resources of a computing device. Manages computer resources such as CPU, memory, and files.