EFI Shell commands -- DEVTREE(裝置樹狀圖)

Displays the tree of devices compliant with the EFI Driver Model.

DEVTREE [-b] [-d] [-l XXX] [DeviceHandle]

    -b           - Display one screen at a time
    -d           - Display device tree using device paths
    -l            - Display device tree using the specified language
    DeviceHandle - Display device tree below a certain handle

Examples:
  * To display the tree of all devices compliant with the EFI Driver Model:
    Shell> devtree

  * To display the tree of all devices below device 28 compliant with the EFI
    Driver Model:
    Shell> devtree 28

  * To display the tree of all devices compliant with the EFI Driver Model
    one screen at a time:
    Shell> devtree -b