Mac OS X Mavericks: the sound when you adjust Volume mute
The Option to turn off the sound, see the system settings:
- Open it with cmd + spacebar the Spotlight search and type "system settings". Then click on the corresponding entry.
- Click on "sound". In the horizontal bar in the sound settings select "sound effects".
- As shown in the Screenshot, you have to remove the hook "When you Change the volume sound" playing.

Option in the sound settings
In another practical tip we will explain how to use the DNS Cache on the Mac is empty.