What does tee command do in MySQL? tee followed by a filename turns on MySQL logging to a specified file. It can be stopped by command note. Share :Click to print (Opens in new window)Click to share on Reddit (Opens in new window)Click to share on Tumblr (Opens in new window)Click to share on Pocket (Opens in new window)Click to share on LinkedIn (Opens in new window)Click to share on Twitter (Opens in new window)Click to share on Pinterest (Opens in new window)Click to share on Facebook (Opens in new window)