If you have an Intel Mac, you can make it boot directly into the boot disk options startup manager by issuing an nvram terminal command. This could be helpful for advanced users in particular whether they’re troubleshooting, have dual boot situations with multiple versions of macOS, macOS and Windows 10 in Boot Camp, macOS and Linux, for accessing a USB boot drive, a Time Machine restore disk, or myriad other situations where you’d want to boot a Mac directly into the startup manager.

Whether or not this is easier or faster than booting an Intel Mac from an…