What is Kernel in Operating System?

Learn Kernel definition in operating system with explanation to study “What is Kernel”. Study kernel explanation with operating system terms to review operating system course for online degree programs.

Kernel Definition

  • A portion of an OS that includes the most heavily used portions of software. Generally, the kernel is maintained in the main memory.

    Operating Systems by William Stallings

Kernel Explanation

A kernel is the central part of an operating system. The task of a kernel is to manage the operations of memory and CPU time. There are five types of kernel in a computer i.e. micro kernel, monolithic kernel, hybrid kernel, exo kernel and Nano kernel.

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