[G4] 10.2.5

[David Crandon]

Good analogy (I use engine oil change analogies in my medical practice a
lot), but in this case it's inaccurate.

Check the Apple Knowledgebase article.

David Crandon

Tracker at aol.com wrote:
> 
> To throw more wood on this fire......
> 
> Consider that you cannot change your motor oil filter while the motor is
> running without spilling something. This is the same procedure that people
> attempt when trying to repair permissions with Disk Utility while booted to
> the internal hard drive. It is ill-advised to do this.
> 
> In order to make a change on the hard drive, it has to be the target of the
> action. If it is constantly moving, you do not have a clear target and may
> miss your point of aim. If it is the boot drive, it is in constant motion and
> liable to cause a problem.
> 
> If you boot to a CD or external hard drive, the internal drive is in a state
> of rest and isn't moving as radically as it would if it were the boot drive.
> The files on the drive will be receptive to an action from outside and there
> is less likelihood of error.
> 
> I always try to use the latest OS version CD that I can get my hands on to
> make repairs with.
> 
> That's all, folks.
> 
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