I'm reading

But then problems come when I run the script twice in parallel with the command ./mem & ./mem, look at the GIF:

No matter how many times I try to kill the process the scripts keeps hammering.

How to kill my C which project?

CodePudding user response：

Use fg to bring the backgrounded process to the foreground, then it will respond to Ctrl-C.

You can also use jobs to see a numbered list of backgrounded jobs, and kill %<number> to kill a specific job, e.g. kill %1.