Off the cuff, I'd say it is an mv option. It defaults to changing all occurrences, with an option to change it only in the current view. --blake On Thursday, September 4th, 2025 at 5:12 PM, Al Viro <viro@xxxxxxxxxxxxxxxxxx> wrote: > > > On Thu, Sep 04, 2025 at 09:52:22PM +0000, Blake McBride wrote: > > > Proposed Model > > -------------- > > The key concept is the introduction of views. A view is a named, > > use-case-specific file hierarchy that contains a subset of the overall > > files on the system. Each view presents its own hierarchy, which can > > be completely different from others. Files may appear in multiple > > views, and may even have different names per view. > > > > What happens on cross-directory rename? Within the same "view", that is. > How does it map to changes observable in other views of yours?