to have the manual of braille system you should write the following in a piece of paper. you put the following command so you can read it with your fingerprints the command is this one:
. . .
: . . .
that code is in braille system but remember you must read it according to the back of the scripture in a piece of paper, try to do it with a needle and a sheet of paper so you can feel on the back the message, that is really important in computer hacking for manuals like what is actually like to clone credit cards and you see the number five in the atm. more information in a new post by the way.