On Thu, Jul 24, 2014 at 08:09:31AM +0530, me storage wrote: > Can you please explain me one scenario that lets suppose take calculator > application in lower level it should interact with kernel code So here who is > take care of Floating point calculations? The userspace program does the floating point calculations. The kernel would not interact with a calculator application in a way that would require the kernel to do anything here, it merely schedules the userspace tasks to run. Hope this helps, greg k-h _______________________________________________ Kernelnewbies mailing list Kernelnewbies@xxxxxxxxxxxxxxxxx http://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies