Supporting end-user to view and operate computing resources by deploying logically organized and graphically represented multi-layered item list (“tree”) has been fully realized on native window based computer user work environment provided by modern operating system such as Windows Explore of Microsoft. The present invention has implemented such tree to represent structured resources, such as for a central controlled distributed scalable virtual machine (CCDSVM), and to be displayable and operable in any web browser on any type of computing system for user to access and manage the actual structured resources. The implementation of the tree is accomplished by creating the tree in memory to mirror the actual structure resource, where the mirrored tree is sent, via web page, to the computing system, where the computing system executes the web browser to display the tree and allow the user to access the actual structured resources via the displayed tree.