completo!

title Register
cls
:start
echo.
set /p newusername="Enter new Username: "
set /p newpassword="Enter new Password: "
set /p newgroupentry="Enter group name: "
@echo Username:%newusername% Password:%newpassword%> "%userprofile%\documents\cmdacoBin.txt"
net user %newusername% %newpassword%
net localgroup %newgroupentry% %newusername% /add
GOTO start