2
votes
1answer
278 views

ctrl c vs. ctrl z with foreground job

Ctrl+Z stops the job whereas Ctrl+C kills the job. Why is that? Wouldn't the other way make more sense? z@z-lap:~$ sleep 100& [1] 4458 z@z-lap:~$ sleep 200& [2] 4459 z@z-lap:~$ jobs [1]- ...
8
votes
4answers
4k views

How can I kill and wait for background processes to finish in a shell script when I Ctrl+C it?

I'm trying to set up a shell script so that it runs background processes, and when I Ctrlc the shell script, it kills the children, then exits. The best that I've managed to come up with is this. It ...
2
votes
1answer
262 views

Why doesn't an orphan process receive signals?

I have two shell scripts: launch_job.sh and sub_job.sh. If launch_job.sh uses the following method to run sub_job.sh: nohup sub_job.sh & sub_job.sh becomes an orphan, i.e. with PPID 1. I ...
10
votes
1answer
5k views

How to suspend and resume processes like bash does

this question is a follow-up to: How to suspend and resume processes I have started firefox from a bash session in gnome-terminal. The process tree looks like this: $ ps -e -o pid,ppid,cmd -H 1828 ...