Sauvegarde
bcdedit /export "C:\sauvegarde_boot"
Restauration
bcdedit /import "C:\sauvegarde_boot"
Suppression entree obsolete
bcdedit /delete {xxxxxx-xxxx-xxxx-xxx-xxxxxx}
({xxxxxx-xxxx-xxxx-xxx-xxxxxx} = ID de l’os)
Modification de la description
bcdedit -set {xxxxxx-xxxx-xxxx-xxx-xxxxxx} DESCRIPTION "Windows Vista 5370"
Definir systeme par defaut
bcdedit /default {xxxxxx-xxxx-xxxx-xxx-xxxxxx}
Definir le timeout
bcdedit /timout 10
Source: http://lgmorand.developpez.com/windows/vista-bootloader