how to convert .bat file (batch) to .cmd file : i need a convert .bat file to .cmd file 
i have a file .bat and i want convert it to .cmd
ex :

    rem^ &@echo off
    rem^ &call :'sub
    rem^ &exit /b
    :'sub
    rem^ &echo begin batch
    rem^ &cscript //nologo //e:vbscript "%~f0"
    rem^ &echo end batch
    rem^ &exit /b

That all about It 
thanks