DOS Command display with Live Script

Hi everyone, I am using MATLAB 2017a. I have display issue when using a live script, calling a function that is running a command on DOS using dos function with -echo argument. In fact, I do not have a display of the dos window in the output of the live script during the run, I only have it once the matlab has finished his work. Is it a known issue for Live Script Output? Thanks. Regards, Marc.