On 15-Dec-06, at 10:01 AM, cb wrote:
OS X stores its file info differently then OS 9 and prior did, so
there is no direct database to need being rebuilt as OS 9 and prior
had. (Despite the name, the "Desktop" that was being rebuilt, had
little to do with the "Desktop" that you see visually... rather it
was the name of the database that held file linking info and folder
storage locations. It was called "Desktop" because it dated back to
the MFS days when there was no such thing as a "folder" and
everything was basically stored "on your desktop"... this was from
early days of the Mac when the OS really was a good analogy to a
physical desk).
So you don't have to worry about doing a desktop rebuilt in OS X.
this is good news. I assumed this was the case because when I
discovered, as I mentioned, that one can only rebuild the classic
desktop that must mean it's not necessary in X. Good to know why.
As for defragging, you really don't have to worry about that
either. OS X takes care of that for you as well.
;-} more good news!
There may still be reasons to defrag (such as you do massive
amounts of high speed data swaps in small chunks, like run an
active database or file server, so your drive might become
fragmented faster than normal and that fragmentation can cause
unwanted decreases in performance), but chance are, if you are a
person that needs to defragment, then you already know that and
know why. But if you are just a normal user and aren't sure if you
need to defragment, then you probably don't need to every worry
about it under OS X.
I am definitely a 'normal' user.
You also may not need to run Disk First Aid or any other disk
checking utility very often, it depends on how often you reboot
your computer. If you turn your Mac off every day, then chances are
you will almost never need to run a disk checking tool, as OS X
does it for you (and does any needed repairs) every time it boots.
If you are like me and pretty much never turn off your computer,
and thus may go extremely long periods of time between reboots,
then you may still want to run Disk Utility and have it verify the
disk from time to time.
I do shut it off most of time when not in use.
What you SHOULD do from time to time is repair the permissions on
the boot drive. This is done via the Disk Utility. Permissions can
get knocked out of whack by all sorts of simple things, and if key
permissions get screwed up, then you can start having problems as
the OS can't read or write to things it needs to get to. Doing a
Repair Permissions will reset everything the OS needs to work with
to states that it needs them to be in.
-chris
good to know, Thanks Chris
G
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