p. 47 of the book:
Stop and restart your server, then connect from the Minecraft client. Run your new command, “/simple” and marvel at the messages on your console. Here’s what mine looks like:
… and a picture whith message than send from running a command (“/simple”) from terminal window.
But, if I Alt-Tab from Minecraft client window, my game stops (just like pressing ‘Esc’). How can I see message from server?
Tried on Windows 7 and on Linux (bodhilinux).