Running build 9A241, it is possible to take the Classic Environment
from a Tiger installation and run it there.
Download the zip archive and extract it.
Copy the System folder to your hard drive.
Copy the Classic Startup app from CoreServices from an install of
Tiger to your install of 10.5 (9A241) in the same location. Copy the
Classic prefPane to /System/Library/PreferencePanes.
Allow it to copy it to the destination, replacing files
to get Classic to work: in Terminal, run the following:
