Sends SIGINT (signal interrupt) to the foreground process. Most programs respond by stopping immediately. It's how you cancel a long-running command or exit a program that's stuck.
Sends SIGTSTP (signal terminal stop). The process is paused and put in the background. You can resume it later with `fg` command.
Click on a signal type above to see how it works.
Click "Run Command" to start a simulated process, then try sending different signals.