Just to put the references I read in the past about it:
http://www.microsoft.com/technet/windowsvista/library/4ac505e6-dd8b-4ae7-80fa-b9d77cd8104d.mspx

Windows 2003 Derver implementation (for server side copies of client user files)
Working with the Windows Server 2003 Volume Shadow Copy Service
http://www.windowsnetworking.com/articles_tutorials/Windows-Server-2003-Volume-Shadow-Copy-Service.html

Summary:
- named "shadow copy"
- works by NTFS volume (equivalent to *ix filesystem)
- config number of copies or a % of the volume space for copies
- config automatic copies per day
- from the GUI it is accessed by the Properties/Previous Versions tab
(What if the original file is deleted? the oldest is promoted?)

ACC

On 10/7/06, Joerg Schilling <[EMAIL PROTECTED]> wrote:
"A. C. Censi" <[EMAIL PROTECTED]> wrote:

> It seems that Windows 2003 (and VIsta will too), supports file
> versioning. I am not familiar with the implementation. AFAIR it is
> using the "alternate data stream" builtin in NTFS, to work with the
> versions and hide the versions from the user.
>

This looks like a simplified version of Sun Extended Attributes.

Jörg

--
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--
A. C. Censi
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accensi [em] gmail [ponto] com - Google Talk
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