What is Operating System? And write sevral your familiar operating systems in details.
The operating system is a computer program that manages computer hardware and software resources, and is also the kernel and cornerstone of the computer system. The operating system needs to handle basic tasks such as managing and configuring memory, prioritizing system resource supply and demand, controlling input and output devices, operating the network, and managing file systems. The operating system also provides an operator interface that allows the user to interact with the system.
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