:: is not quite a command, see here: https://stackoverflow.com/questions/16632524/what-does-double-colon-mean-in-dos-batch-files https://stackoverflow.com/ques

:: is not quite a command, see here: https://stackoverflow.com/questions/16632524/what-does-double-colon-mean-in-dos-batch-files https://stackoverflow.com/questions/16632524/what-does-doubl...