Please tell me how to execute python file in Ubuntu by double

[Gregory Ewing]

Grant Edwards wrote:
> Where are the UTIs stored?  Do OS X filesystems still have a "resource
> fork"?

UTIs are stored as extended attributes.

Resource forks still exist, but they're deprecated. Things that
used to be kept in resource forks are now usually just files in
the application bundle -- which is just a specially marked
directory as far as the OS is concerned.

-- 
Greg