sh: can't access tty; job control turned off - turn off the secure boot mode tutorial

reboot and press f12 to open boot config

secure boot is designed to prevent malwares from loading when your pc starts.

it can be turned on again later but need to be turned off for arch installation

just in case you want to read about the problem

tty: teletypewriter is an input device that allows alphanumeric character to be typed in and sent, usually one at a time as they are typed, to a computer or a printer.

job control: the control of multiple tasks or jobs on a computer system