I am not clearly understood the use of kernel clearly and when to use it?
Not understood the use of kernel?
Hey @Jan19LPN0013, you can refer this link. This explains the concept very well.
Hope this helps.
All the Best 
I am not clearly understood the use of kernel clearly and when to use it?
Hey @Jan19LPN0013, you can refer this link. This explains the concept very well.
Hope this helps.
All the Best