I just use a shell script based on this SO answer. https://stackoverflow.com/questions/9023164/in-bash-how-can-i-run-multiple-infinitely-running-commands-and-ca

I just use a shell script based on this SO answer. https://stackoverflow.com/questions/9023164/in-bash-how-can-i-run-multiple-infinitely-running-commands-and-cancel-them-all https://stackoverflow.com/questions/9023164/in-bash-how-can-... The only sort of problem with it is that the output gets merged with each other. You can quite easily figure out what is what though.