| Explain Zombie Process in Linux?
Zombie Process is one of the process whose execution is done or completed but it entry is still exists in process table. Just like zombie died but there presence is still there. Another defination is Zombie processes are the processes which are died but exit status is not picked by the parent process.
Usually Zombie processes occur for child processes as we know parent process still needs to read its child exit status. Parent process will use wait system call to eliminate the zombie process from process table. And this is also known as reaping of Zombie process.
Below is the diagram which will helps you to understand some facts about Zombie process.
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