🚀 go-pugleaf

Here's how I once dealt with this problem.  It's gross and disgusting,
but all you need is the finder--no special software.

First of all, notice that the system folder that you have booted from
has a little, teeny Macintosh icon on it.  The object is to "move"
the icon from the folder it's on right now to the folder you want
to boot from.  (Note also that there's nothing significant in the
name "System Folder"; you can boot from any folder that has a system
file in it.)

Open the system folder with the Macintosh icon.
Select the system file and drag it to the desktop.
Close the folder.  The Macintosh icon should no longer appear on it.

Now open the other folder that you want to boot from.
Verify that this folder contains a system file.
Close the folder.
Now, THIS folder should have the Mac incon.

Select the system file on the desktop and drag it back to its "home" folder.
The Mac icon should stay on the OTHER folder.

Reboot.
----------------------------------------------------------------------------
If not for progress, where would we BE?!

Mark