what is /boot/efi in linux
EFI system partition The mount point for the EFI system partition is usually /boot/efi, where its content is accessible after Linux is booted.[9]
Single user mode Unix-like operating systems provide single user mode functionality either through the System V-style runlevels, BSD-style boot-loader options, or other boot-time options.
Denial-of-service attack A wide array of programs are used to launch DoS-attacks.
Marcus Álvarez