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When I execute A & B and then cancel with ^C only B gets killed, and A runs on the background. How can I execute A & B as one command I can kill without killing the background job ?

Mehdiway
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    Perhaps you should specify what *behavior* you want when you say "execute `A & B` as 'one command.'" Do you mean you want them to execute sequentially rather than concurrently? To have the same PID (which is impossible)? To have one be a child of the other? To have one die when the other is killed? "One command" is quite vague; A and B are separate *simple* commands however you connect them (whether in a pipeline, a list, a compound command, or other method.) – Wildcard Dec 12 '16 at 01:45
  • from http://unix.stackexchange.com/questions/204480/run-multiple-commands-and-kill-them-as-one-in-bash `~$ trap 'kill %1; kill %2' SIGINT`; `~$ command1 & command2 & command3` – mrwhale Dec 12 '16 at 01:47
  • They should run both simultanuously. And one has to die when the other is killed – Mehdiway Dec 12 '16 at 01:48

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The solution : Run it as (A & B) with parentheses

Mehdiway
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