input: [description] sets up Grub data-structures so that later execution of the “boot” command will boot into a specified Linux kernel. [command] 
output: linux
options: s e a r c h
options: t e r m i n a l
options: g f x t e r m
options: r e c o r d f a i l
options: e c h o
options: t e s t
options: l i n u x
options: c h a i n l o a d e r