If it has to be closed in one of the places, then I'd suggest closing it here rather than asking the
Unix & Linux mods to close it there because closing it here is less likely to lead to the loss of contributions that could be valuable. But I should mention, I guess, that there's an argument for having it closed on
Unix & Linux instead: they have an actual close reason, that can be selected in the list when you go to
off topic, for questions that are posted on another SE site.