Reply To: "B" button restarts the game

[ronoh55]

you have to use nano to open the retroarch.cfg. Your command will be

sudo nano /opt/retropie/configs/all/retroarch.cfg

If that gives an error use
cd /opt/retropie/configs/all/
then
ls
to list the files in that folder and verify that retroarch.cfg is there (it should be)