doc: Add poweroff step to gsg
Add an optional step in GSG to power off User VM.
@@ -712,6 +712,13 @@ Launch the User VM
The User VM has launched successfully. You have completed this ACRN setup.
+#. (Optional) To shut down the User VM, run this command in the terminal that is
+ connected to the User VM:
+
+ .. code-block:: bash
+
+ sudo poweroff
+
Next Steps
**************
