An operating system (OS) is the core system software that manages a computer’s hardware and software resources and acts as an intermediary bridge between the user, applications, and physical hardware. Without an OS, a computer cannot properly function or run applications. Core Architecture
An operating system is built out of two primary structural components:
The Kernel: This is the innermost core of the OS. It manages deep hardware functions, memory allocation, and CPU scheduling.
The Shell: This is the outer user interface layer. It translates human commands into machine actions via a Graphical User Interface (GUI) or Command-Line Interface (CLI). Primary Functions
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