You can easily type the upside-down question mark on Mac by pressing the Shift + Option + / shortcut on your keyboard.
) Here is how you type the upside-down exclamation mark on a Mac: If you're not using a Mac computer, check out this table below for some additional keyboard shortcuts that you can use: SoftwareShortcut Windows Press "Alt + 0161" Chromebook Press "Ctrl + Shift" followed by "u + 00...
2. Set your system to boot automatically on power loss and then use "shutdown -u" (perhaps scripted or automated from an event) to simulate a "dirty" power loss. Then cut the power using an external switch. When you turn the switch back on, the system should boot up normally....