macosx ownership & permissions
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- one2meny0
Alright, the first rule of OS X, if you screw with file permissions, know what you're doing. In OS 9, file permissions strictly had to do with sharing with other users. In OS X, permissions not only deal with sharing with others, but also with the system itself. In other words, unless you're a unix nerd don't touch the permissions.
Now, to fix the problem, you'll need to boot from a Mac OS X CD with Disk Utility (hold down C at start up with CD in drive) and choose to verify/repair file permissions.
If you have a secondary bootable hard drive, then hold down option at start up and select the secondary drive. Again, run Disk Utility and choose to verify/repair permissions.
This will cure the blue screen, and from now on, if you change permissions to something in the 'system' folder or in your 'library' folder, before you restart, run the verify/repair permissions to make sure you haven't messed anything up with the system.