iTunes 10.5.2 Update

From AppleInsider.com I got the news about the update. This update does not require reboot, but I need to reboot before and after the update in order to get the disk space difference.

Here are two snapshots of the update:

Command: df -lak	Used(Kilobytes in 1024-blocks)
Before	...861,156
After	...622,888
Difference (A-B)	-238,268