Kernel is the heart of the operating system.It is responsible for the lower level tasks like Memory management,Disk management,Task Management.Since the Operating System has control over the system so, the Kernel also has control over everything in the system.It provides an interface between the user and the hardware components of the system.
When a process makes a call or request to kernel it is called System Call.
Whenever a system starts, the Kernel is the first program that is loaded after the boot loader because the Kernel has to handle the rest of the thing of the system for the Operating System.
Functions:
- Access Computer resource.
- Resource Management.
- Memory management.
- Disk management.
- Task Management.
