http://technet.microsoft.com/en-us/library/cc770266%28WS.10%29.aspx?ppud=4
Extensive command-line support. Windows Server Backup includes the wbadmin command and documentation, which enable you to perform all of the same tasks at the command line that you can perform by using the snap-in. For more information, see the Command Reference (http://go.microsoft.com/fwlink/?LinkId=93131). You can also automate backup activities through scripting.
In addition, Windows Server 2008 contains a collection of Windows PowerShell™ commands (cmdlets) for Windows Server Backup that you can use to write scripts to perform backups. For more information, see http://go.microsoft.com/fwlink/?LinkId=93317.
Step-by-step instructions
Use the following links for key backup and recovery tasks:
* For instructions for backing up a server running Windows Server 2008, see http://go.microsoft.com/fwlink/?LinkId=110462.
* For instructions for recovering a server running Windows Server 2008, see http://go.microsoft.com/fwlink/?LinkId=110463.
* For instructions for backing up and recovering a server running Active Directory Domain Services, see http://go.microsoft.com/fwlink/?LinkId=110466.