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Is there any way I can log everything of what happens in Mac OS X snow leopard and not just what I can see in the console? I can barely see errors logs there, I would like to see which applications asked for which resource in my computer and log all of this activity.

How can I do this? Which is the most accurate and in-depth log that I can get of what happens on my computer?

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What you can see in logs are what applications write there. All Apple software writes to the Apple logger database. You can see this and what is written to syslog and files in Console.app. The only easy way to read the database is via Console.app. Note that you might need to start Console.app under an admin user to see all the entries.

Not all you are asking for like "applications asked for which resource" is logged by the application so this information is not normally available. What can be done to get more information is use some Unix tools like lsof to get a snapshot of what files and sockets are open or Apple development tools like dtrace, googling for examples gave this blog which has scripts to record what files are used by which processes.

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Many thanks! I'm trying them our! –  Saturnix Jan 13 '13 at 23:19
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