FreeBSD Disable Bell / Beep ( Hardware beep )

See all FreeBSD related FAQ
I know how to disable beep sound under Linux, but the settings are not working under FreeBSD laptop. How do I disable beep sound on FreeBSD operating system?

Tutorial details
Difficulty level Easy
Root privileges Yes
Requirements FreeBSD
Est. reading time 1 minutes
[/donotprint]To enable or disable bell use MIB hw.syscons.bell on FreeBSD operating systems. To set MIB on FreeBSD use the sysctl comamnd line utility, which retrieves kernel state and allows processes with appropriate privilege to set kernel state.

Disable bell with systctl command

Type the following command to disable for current session:
# sysctl hw.syscons.bell=0

Make sure settings remains same after you reboot the laptop, enter:
# echo "hw.syscons.bell=0" >> /etc/sysctl.conf

Test it:
# reboot

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I'm Vivek Gite, and I write about Linux, macOS, Unix, IT, programming, infosec, and open source. Subscribe to my RSS feed or email newsletter for updates.

5 comments… add one
  • ashwani Jun 7, 2009 @ 13:23

    nice info…
    but i wonder who use this distro….which one is Vivek favorite ?? ;-)

    • 🛡️ Vivek Gite (Author and Admin) nixCraft Jun 7, 2009 @ 17:55

      FreeBSD != Linux, so it is not distro!

      It is complete operating system used by many users around the world.

  • Govind Singh Jun 8, 2009 @ 6:50

    its working

  • 落水狗 Sep 14, 2009 @ 14:46

    Thank you
    Really a great job
    I’ve been looking for this solution for days

    • Kris Feb 22, 2014 @ 18:37

      Me too :)))

      It is working so ……..HAPPY DAYS!!!!!!

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