Backup and recovery cmdlets (SharePoint Server 2010)

Backup-SPConfigurationDatabase Performs a farm-level configuration-only backup. Backup-SPFarm Creates a backup of an individual database, Web application, or the entire farm. Restore-SPFarm Restores one or more items from a backup. Backup-SPSite Performs a backup of a site collection. Restore-SPSite Restores a site collection. Get-SPBackupHistory Returns a history of backup and restore operations.