SIGTERM vs SIGKILL
What is the key difference between kill PID and kill -9 PID?
kill PID
kill -9 PID
Choose one answer
kill pauses the process; kill -9 resumes it.
kill
kill -9
kill -9 only works for root.
kill sends SIGTERM, which the process can handle (clean up, or even ignore); -9 sends SIGKILL, which cannot be caught and terminates the process immediately.
-9
There is no difference; -9 is just faster.