PowerShell To Create a New Site Collection
Situation: You want to create a new site collection in your SharePoint environment
Old Method: Go to Central Admin…
Smart Method: Use PowerShell
How?
Launch your Administrator: SharePoint 2010 Management Shell
Type
New-SPSite –url http://server/sites/DocumentCenter -OwnerAlias justsharepoint\administrator -Name "Document Center” –Template BDR#0
This will create a site collection with Document Center Template.