What is the difference between the kernel space and the user space?

Question

What is the difference between the kernel space and the user space? Do kernel space, kernel threads, kernel processes and kernel stack mean the same thing? Also, why do we n

Answer 1

IN short kernel space is the portion of memory where linux kernel runs (top 1 GB virtual space in case of linux) and user space is the portion of memory where user application runs( bottom 3 GB of virtual memory in case of Linux. If you wanna know more the see the link given below :)

http://learnlinuxconcepts.blogspot.in/2014/02/kernel-space-and-user-space.html