C I wrote this script for switching DNS servers of all at present enabled interfaces to specific address: @echo off :: Google DNS 增加群組視訊通話時顯示於單一畫面內的人數 增加群組視訊通話時顯示於單一畫面內之人數的方法，請參閱下列說明。 @QuaternionsRock The limited is respond to is mainly because CR can take quite a long time over a teleprinter. Putting CR just before LF https://www.linerm.com/