"In Vista/Longhorn server, the file system (NTFS) will start supporting a new filesystem object (examples of existing filesystem objects are files, folders etc.). This new object is a symbolic link. Think of a symbolic link as a pointer to another file system object (it can be a file, folder, shortcut or another symbolic link)." More news out of Redmond:
"Microsoft will add a 'Save As' function in its upcoming Microsoft Office 12 for publishing the developer's own electronic document format, XPS, another move in a competitive campaign against Adobe."
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Symbolic links for folders where introduced with w2k with the larger concept of "reparse points".
Hardlinks existed since NT3.1.
SMB already unterstands a sort of transparent redirection since NT40. That is used with the Distributed File System (DFS). The configuration is stored in the Registry and the Active Directory
So I am not terribly sure, that there is a really big change.
Maybe they only merge the features (moving things out of the registry)