Fixed: Slow Snow Leopard. What was this file for?

Hi,
I just bought a new iMac on Monday. It's supposed to be the newest and best technology... blah blah blah blah blah.
Anyhow, it worked great for a few days, and then last night it began slowing down to the point where nothing was functional. A simple reboot helped very little, and I became very frustrated.
I ended up finding some guys blog about Macs, and he deleted this file to fix his Snow Leopard problems:
System/Library/LaunchDaemons/com.apple.audio.coreaudiod.plist
Having no other choice but to wait for an update from Apple, I deleted the same file. I rebooted my computer, and it was like magic. The computer is faster then ever, and very enjoyable to use. So, my question is: what is the world is that for for? It used like 1.40-1.80 GB of RAM...
Thanks for the help!

K T wrote:
Core audio is the software side of digital audio on your computer. That plist is the destructible file related to settings. If you get rid of it, the system builds a fresh one.
no, it doesn't. none of the items in /system/library/launchdaemons are automatically rebuilt on deletion. if you delete something from there it's gone for good. these are necessary system daemons and deleting them can make system inoperable or cripple it. I'm not quite sure what this one does. googling indicates that it is responsible for a number of audio functions like system sounds and keeping volume settings on restarts. I've seen a number of posts recommending deleting it as a possible workaround for some slowdown issues but I would not do that with this or any other system launch daemon. as is aid, this may cripple some system functions and the file will not be recreated by the system if you want it back. if you want to disable it as a troubleshooting step you can do it without deleting the file. run the following terminal command
sudo launchctl unload -w /System/Library/LaunchDaemons/com.apple.audio.coreaudiod.plist
this will make the daemon inactive without deleting the file. and it will remain inactive even on restarts. if you want to activate it change unload to load in the above command.

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Fixed: Slow Snow Leopard. What was this file for?

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