Tag: process management
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System Calls in OS
System calls act as the primary interface between a user application and the operating system (OS). These are crucial mechanisms through which programs interact with hardware or request OS services such as file management, process control, communication, and more. This article explores system calls, their working, types, and usage in real-world applications, supported by schematics…
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Processes in OS
A process is the execution of a program in an operating system (OS). It is a fundamental concept that forms the backbone of modern computing, as processes allow multiple programs to run simultaneously on a computer. This article explores the nature of processes, their lifecycle, types, and inter-process communication, supplemented by schematics and code examples.…
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Threads in OS
Threads are an essential feature of modern operating systems (OS), enabling efficient multitasking and parallelism within processes. A thread represents the smallest unit of execution in a process, allowing multiple threads to run concurrently within a single process. This article delves into the concept of threads, their benefits, lifecycle, and implementation, supported by schematics and…