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+UpArrow
Page Down ==> Fn+DownArrow
Cycle through layer list
Alt+C ==> Option+C
Toggle volume visibility in layer list
Alt+V ==> Option+V
Toggle surface visibility in layer list
Alt+F ==> Option+F
Toggle show slices (3D View)
Crtl+Shift+S ==> Shift+CommandKey+S