Disable Beep/Bell Sound on FreeBSD

This command would disable the hardware beep/bell sound for the current session.

sysctl hw.syscons.bell=0

If you want to disable the beep/bell sound persistently you should add the “hw.syscons.bell=0” entry to /etc/sysctl.conf file by giving the following command;

echo “hw.syscons.bell=0” >> /etc/sysctl.conf