RaTTuS wrote:it's an l [el] 12th letter of the alphabet

and you probably have a full SD card

you may want to expand the root fs really

or even download a new version

Thank you, thank you, thank you. Why the L did I not think of that.

jojopi wrote:Exactly what output do you get from step 1, "sudo fdisk -l"?

fdisk: invalid option - - "1"

I'm new to the RPi, and I'm trying to add a new partition to my preinstalled 16G card.
I'm following the Raspberry Pi user Guide ( page 72 ),but all that I get are error messages. Please can anyone help me?