How to kill zombie process

Question

I launched my program in the foreground (a daemon program), and then I killed it with kill -9, but I get a zombie remaining and I m not able to kill it with

Answer 1

You can clean up a zombie process by killing its parent process with the following command:

kill -HUP $(ps -A -ostat,ppid | grep -e '[zZ]'| awk '{ print $2 }')