Open a specific Rhino file in a new instance/window via Python

I know how to open a new file in the current running Rhino, but I don’t remember how (or if possible) to open a file in a new Rhino instance (Windows) or window (Mac)…

TIA, --Mitch

Hi Mitch,
if you do not want to control the new instance via external access, then you could script the _Run command.

I remembered _Run, but forgot you could use it with a dash to run a specific file, thanks Jess! --Mitch