Resources in the System File
The System file contains resources that are shared by all applications and
used by the User Interface Toolbox and Operating System as well.
Warning: Your application should not directly add resources to,
delete resources from, or modify resources in the System file.
If your application needs to install drivers, you should ship it with the
Installer and an Installer script for drivers. In order to distribute the
Installer, you need to license the Apple system software, which includes the
Installer.
In System 7.0, resources such as fonts, scripts, keyboards, and sounds are
added to the System file when the user drags their icons to the System Folder.
Desk accessories and resources such as system extensions are now stored in the
subdirectories of the System Folder, not in the System file. (See
as the folders found in the System Folder, are represented by system icons. You
can use these system icons in your application.