Get Even More Visitors To Your Blog, Upgrade To A Business Listing >>

What will happen when application request I/O operation?


In this post, you are going to learn below things.
a.   What is Kernel space and user space?
b.   Can a user process access kernel space?
c.    What will happen when the Application Request IO operation

What is kernel space and user space?
System memory is divided into two regions.
a.   User space
b.   Kernel space

Kernel is the core component of operating system. Kernel component runs in kernel space and provide its services. it has full access to the memory and can able to talk to the hardware directly. No other programs, for example user applications can't access kernel space for security reasons.


This post first appeared on Java Tutorial : Blog To Learn Java Programming, please read the originial post: here

Share the post

What will happen when application request I/O operation?

×

Subscribe to Java Tutorial : Blog To Learn Java Programming

Get updates delivered right to your inbox!

Thank you for your subscription

×