COMPLETE KEYCODE DEFINITIONS
Each complete key definition line is of the form: keycode keynumber = keysym keysym keysym... keynumber is the internal identification number of the key, roughly equivalent to the scan code of it. keynumber can be given in decimal, octal or hexadecimal notation. Octal is denoted by a leading zero and hexadecimal by the prefix 0x.
Use também dumpkeys -l
para visualizar a configuração atual
exemplo:
plain keycode 14 = BackSpace
control alt keycode 83 = Boot
alt keycode 105 = Decr_Console
alt keycode 106 = Incr_Console