Explian scheduling polocies of windows , linux or other operating systems

solution:

Linux:
The Linux operating system provides two independent scheduling process. One is the time-shared algorithm, it is used when multiple processes go to fair preemptive scheduling; another is designed for real-time tasks, the task priority is more important to keep it fair.Linux process running in user mode can be preempted, and process running in kernel mode cannot be preempted, even if there is a highe