, W3bbo wrote

*snip*

If you wanted to make specific changes to 1000 files, how would you accomplish that atomically?

By using Transactional NTFS (TxF) http://msdn.microsoft.com/en-us/library/windows/desktop/bb968806(v=vs.85).aspx">http://msdn.microsoft.com/en-us/library/windows/desktop/bb968806(v=vs.85).aspx