1) That's why some tools have a simulate option, or you can just do a kill 9 on the processes you've just launched. Just make sure you've capture their output i

1) That's why some tools have a simulate option, or you can just do a kill 9 on the processes you've just launched. Just make sure you've capture their output in a file 2) Again logs, if actions needs to be taken after the command has stopped. For immediate action, you can use `tee`. Managing context isn't hard. I see more issues with ensuring the right command.