Ginge wrote[QUOTE] How does a *nix backup open files, or applications with uncommited writes then?[/QUOTE] You are thinking too big. In a small business at 2 in the morning there are no open files or uncommitted writes. There is the stock database, the sales database, the books and the mail spool. Prolly not much else. All of it as vital to Bloggs the Tailor as the in transit info is to DHL.