Bye bye to STSADM. all administrators and developers working with SharePoint 2010 Sooner or later need learn PowerShell scripting.
Given below the help files for PowerShell cmdlets for SharePoint 2010 product family:
Windows PowerShell compiled Help for SharePoint Foundation 2010
Windows PowerShell compiled Help for SharePoint Server 2010
Windows PowerShell compiled Help for Office Web Apps
Windows PowerShell compiled Help for Project Server 2010
FAST Search Server for SharePoint 2010 Windows PowerShell Cmdlet Help