To support extended attributes, applications should do the following:

• Fill in the .ASSOCTABLE extended attribute for all major file types that the application recognizes or uses.

• Fill in the .ICON extended attribute for executable files.

• Set the .TYPE extended attribute for data files the application creates.

• Fill in and use the .LONGNAME extended attribute as appropriate.

• Support .HISTORY and .VERSION.

• Support the other Standard Extended Attributes as appropriate.