> David Xu wrote:
> > want, and all job control gets weird. I suguest this job control
> > assumption should be removed, strange thing is why su calls fork()?
> > why doesn't call directly execvl()? I don't see su calls fork() in
> > OpenBSD.
This has to do with PAM, AFAIK. Someone has to call PAM session cleanup
hooks, that's why another process for the command is forked.
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