I had the same problem originally on my NT without SO.
I made a mistake copying a command from the .rtf file.
Wrong = B. mv /mnt/base-mmc/opt/amazon/screen_saver/600x800/mnt/base-mmc/opt/amazon/screen_saver/600x800_
Right = B. mv /mnt/base-mmc/opt/amazon/screen_saver/600x800 /mnt/base-mmc/opt/amazon/screen_saver/600x800_
I had missed the space at the end of the first line after /600x800 in B. on the .rft