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Operating Systems – Functions, Types, Processes, Memory & File Management

Operating Systems is an important Basic Computing topic for PPSC, FPSC, PMS, CSS, CCE, PCS, NTS and other competitive exams in Pakistan. An operating system manages computer hardware, processes, memory, files, input/output devices and system security while providing an interface between users and hardware. This topic covers OS functions, types, kernels, processes, CPU scheduling, deadlocks, memory management, file systems, Windows, Linux, virtualization and real-time operating systems with exam-focused concepts and terminology.

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