Disable Mac OS X Lion 10.7 Startup Chime / Sound

Write a couple of Mute/Unmute shell scripts as outlined below, add them to the login and logout hooks.

http://my.opera.com/mereh/blog/2011/07/30/apple-osx-mute-startup-sound-chime-in-osx-10-7-lion-and-others"Your text to link here…(Mute startupStartup soundSound in Lion)":http://my.opera.com/mereh/blog/2011/07/30/apple-osx-mute-startup-sound-chime-in-osx-10-7-lion-and-othersOS X Lion

The files and the parent directories must have the following permissions:

-rwxr-xr-xowner: rootgroup: wheel