The following figure:when I type the sudo fdisk /dev/sdx, and then type 'p',next type 'd',But when I keep typing d,Linux gave me the same tip.In that case, how am I going to finish p -d -n -p -l -20480...-w


Or I can't read the Linux prompts.
So I can't go back to the document.
The development board I use is MCIMX6X4EVM10AB,
I burn :

I don't know if I burned it right
thaks!