Backup SharePoint 2010 Site, Backup-SPSite

To create a backup of your SharePoint 2010 site collection:

* Go to Start > Programs > Microsoft SharePoint 2010 Products > SharePoint 2010 Management Shell.



* Type this command on the prompt.

Backup-SPSite -Identity http://sitecollectioname/ -Path "C:\BackupFolder\BackupFilename.bak" -NoSiteLock -SqlSnapshot -Verbose

* Change the name of the SiteCollection as per yours. And also change the name of the Backup Folder and Backup Filename as you like.

* MSDN reference.

Thanks,

JK