Backup and Restore a Site Collection in SharePoint using PowerShell

In SharePoint 2010 you can take a backup of a site collection using the Backup-SPSite cmdlet:

Backup-SPSite
http://SP –Path
C:\Backup\siteCollection.bak

Restoring a site collection in SharePoint 2010 is just as simple:

Restore-SPSite
http://SP –Path
C:\Backup\siteCollection.bak