The invention provides a file classification management system and method used
in operating systems for managing the files by categories. Each of the physically
stored files is mapped into one or more logical categories based on the contents
of the file. And a desktop files resource manager presents the files by categories
organized in a tree structure such that the user can directly find desired files
via categories by using the present invention. The invention significantly improves
the function of the file system and makes the file management interface more friendly.