What is Kernel

·        It is a Core or nucleus of an operating system

·        It Interacts with the hardware

·        First program to get loaded when the system starts and runs till the session gets terminated

·        Different from BIOS which is hardware dependent.

·        Kernel is software dependent

Kernel types

•         Monolithic

–       All OS related code are stuffed in a single module

–       Available as a single file

–       Advantage : Faster functioning

•         Micro

–       OS components are isolated and run in their own address space

–       Device drivers, programs and system services run outside kernel memory space

–       Supports modularity

–       Lesser in size

What is Kernel