On 10 Jan 2014, at 04:28, Greg 'groggy' Lehey wrote:
None of this contradicts the issues with allowing
non-root chown, but
it does show a valid reason to want to do so.
Another use which I am fairly sure I read about somewhere is student submissions of work.
Scenario is: student writes program / essay / something, and at some point you want them
to be able to submit it in such a way that they can no longer change it. You can do that
without SUID programs if you can give away files.