The role of the operating system kernel: coordinate the work of the CPU, memory, hard disk, motherboard channels, and external devices (keyboard, mouse, USB). Coordinate calls between various processes (program tasks) running multitasking.
The operating system kernel refers to the core part of most operating systems. It consists of those parts of the operating system that manage memory, files, peripherals, and system resources. The operating system kernel typically runs processes and provides inter-process communication.
The classification of kernels can be divided into single kernels, dual kernels and microkernels. Strictly speaking, the kernel is not a necessary part of a computer system.
The above is the detailed content of What is the role of the operating system kernel?. For more information, please follow other related articles on the PHP Chinese website!