Clearing the OSX Tiger Cache

Can I do this manually without having to reboot all the time?
I found the cache folders in the library folders as there are two of them.
Or should I just run a Unix command?
John

IIRC, I was told it was dangerous to do if anything at all was running.
I always use Applejack...
http://www.versiontracker.com/dyn/moreinfo/macosx/19596
After installing, reboot holding down CMD+s, then when the prompt shows, type in...
applejack AUTO
Then let it do all 5 of it's things.
The 5 things it does are...
Correct any Disk problems.
Repair Permissions.
Clear out Cache Files.
Repair/check several plist files.
Dump the VM files for a fresh start.

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    Regards,
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