Write down main functions of the Operating System. Write down the advantages and disadvantages of Batch Operating System.

The Operating System (OS) is an essential component of any computer system. It serves as an intermediary between the hardware and the software, providing a user interface and managing computer resources. The main functions of an operating system are as follows:

1. Process Management:
   Process management refers to the OS’s ability to create, schedule, and terminate processes. A process is an instance of a running program. The OS manages process execution by allocating CPU time and ensuring that the system remains responsive. It also handles multitasking, allowing multiple processes to run concurrently on modern systems. The OS ensures that each process has adequate resources, like memory and processing time, to complete its task efficiently.

2. Memory Management:
   Memory management is responsible for managing the computer's RAM. It allocates memory to programs while they are running and ensures that each program has enough memory to function correctly. The OS tracks memory usage, handles memory allocation, and prevents programs from interfering with each other’s memory spaces. Memory management includes the handling of virtual memory, swapping, paging, and segmentation to make more efficient use of physical memory.

3. File System Management:
   An OS provides a way to store, retrieve, and manage files on storage devices like hard drives or SSDs. File system management includes organizing files into directories, assigning file names, and controlling access permissions. The OS ensures that data is stored in a structured manner and provides an interface for users and applications to interact with ________ ______ __________ _________ ______ _____ _________ ______ ____ ___ _______ ___.
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