Mac Commands
Certain commands for various GUIs are slightly different when running on a Mac OSX due to the keyboard setup. Below is a list of equivalent commands.
General
Home ==> Fn+LeftArrow End ==> Fn+RightArrow
== Terminal == Home ==> Shift+Fn+LeftArrow End ==> Shift+Fn+RightArrow
Freeview
Change current slice in one of three volume views
Page Up ==> Fn+CommandKey+UpArrow
Page Down ==> Fn+CommandKey+DownArrow