After you enable the ESXi Shell in the direct console, you can use these below combination of ALT + Function keys to access the Direct Console User Interface (DCUI) of an ESXi host:
ALT+F1 = Switches to the console.
ALT+F2 = Switches to the DCUI.
ALT+F11 = Returns to the banner screen.
ALT+F12 = Displays the VMkernel log on the console.