What's in that number? When a child exits is returns a number in response to the parents having called wait (&status). If the number which a child returns is 0x1A05, Did the child produce a core dump? Yes, it did. No, it did not. What was the exit code (as a base-ten number) of the child process?

All of the concurrent methods discussed here are exclusive to Linux. This is not the case with any other operating systems.

To what end was a non-preemptible kernel developed for Linux?The usage of a non-preemptible kernel in a single-processor system seems unnecessary. Exactly why does using many processors in a single system not provide better results?

How do Linux containers, like Docker, utilize cgroups and namespaces?