On Tue, 20 Oct 2015 19:22:48 +0200 Matthias Gerstner <matthias.gerst...@ncp-e.com> wrote:
> It does originate from the shutdown command itself which is part of > the sys-apps/sysvinit package. In this package's source you find can > a file "src/dowall.c", where you will in turn find a function > "wall(...)". > > This is the function where the warning messages will be produced that > show up in the terminal and the message is produced like this: > > snprintf(line, sizeof(line), > "\007\r\nBroadcast message from %s@%s %s(%s):\r\n\r\n", > user, hostname, tty, date); > > The "\007" is the beep you're getting. It's a bell character that you > can produce manually by doing this, too: To add one more suggestion to your very good ones (which I've snipped), there is a very small patch to remove the \007 at <https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=614893#20>.
