Definition. The kernel is the most important part of the operating system. It is the primary interface between the hardware and the processes of a computer. The kernel connects these two in order to adjust resources as effectively as possible.

The kernel is the fundamental part of an operating system. It is responsible for managing the resources and the communication between hardware and software components. The kernel offers hardware abstraction to the applications and provides secure access to the system memory.

Functions of Linux Kernel Memory Management: The kernel handles memory management, including allocating and deallocating memory for processes and managing the virtual memory system. It provides mechanisms for memory protection, virtual memory mapping, and swapping data between physical memory and disk storage.

The Linux Kernel is a low-level software system. It is used to keep track of resources and give a user interface. Yes, it is legal to edit Linux Kernel. Linux is released under the General Public License (GPL) and any project which is released under GPL can be edited and modified by the end users.