Update: iWork 9.3

This is iWork 9.3 update. According to its description, this update is for iSO 1.7 apps. I had purchased iWork (Pages, Numbers and Keynote) with OS package long time ago. I have not upgrade my iWork apps individually afterwards. Not sure this update is related to the purchase package.

The following is the comparison of spaces used before and after of the updates:

Command: df -lak	Used(Kilobytes in 1024-blocks)
Before	...4,064,368
After	...3,588,100
Difference (A-B)	-476,268
Capacity	43%