What do you mean by system call?
Understand the Problem
The question is asking for an explanation of the concept of a system call, which is a mechanism that allows a program to request services from the operating system's kernel. This can involve various functionalities such as file operations, creating processes, or communicating with hardware.
Answer
A system call is an interface for a program to request services from an OS's kernel.
A system call is an interface between a computer program and the operating system (OS). It allows the program to request services, such as accessing hardware or performing tasks, from the OS's kernel.
Answer for screen readers
A system call is an interface between a computer program and the operating system (OS). It allows the program to request services, such as accessing hardware or performing tasks, from the OS's kernel.
More Information
System calls are essential for managing system resources, like files and memory, as programs in user space need the kernel to perform these operations securely.
Sources
- Introduction of System Call - GeeksforGeeks - geeksforgeeks.org
- System call - Wikipedia - en.wikipedia.org
- System Calls in Operating System (OS) - Javatpoint - javatpoint.com
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