GNU GRUB version 1.99~beta0 +--------------------------------------------------------------------------+||||||||||||||||||||||+--------------------------------------------------------------------------+ Use the ^ and v keys to select which entry is highlighted. Press enter to boot the selected OS, 'e' to edit the commands before booting or 'c' for a command-line. hello, world            The highlighted entry will be executed automatically in 1s. The highlighted entry will be executed automatically in 0s. Booting 'hello, world' AC