I'm doing some major maintenance of my Macbook at the moment, and so far that has included running Onyx and Cocktail, and I'm not in the process of defragmenting files and free space with TechTool.
In the process of defragmenting files, a few files called "daily.out" cropped up as fragmented and large. They were contained inside a folder called /private/var/folders.
On inspecting this folder, it would seem that all of its contents are subfolders with "cache" or "tmp" in them. I assume these are all temporary files and caches, using my incredible genius discerning skills.
Question is, can I safely just trash the entire contents of this /folders/ directory? Some of these caches and logs have grown to gigantic sized, the entire folder is about 200MB at this stage, and they remain even though I used Onyx and Cocktail to clear out caches.
Can anyone tell me, exactly what is this directory used for and which caches are they? They're obviously not the same caches as you find in /Library/Caches or ~/Library/Caches/, so what's the difference? Can they safely be gotten rid of?
When running cocktail, one of the options is to ignore the caches of audio units and such, I work often with DAWs so I was just wondering, what good does a "cache" do for these plugins, and why wouldn't you want to clear them from time to time?
I'm really hoping I can somehow get rid of these files safely as I'm trying to revert my machine to the speed it was at a few months ago when I had just newly installed Snow Leopard.
Is it safe?
EDIT: Also I did a full and complete backup of my entire HD using Carbon Copy before I started my maintenance session so I'm ok with taking risks, if there's a slight possibility of this causing problems. I'd just like to know what might happen first.