I am using Komodo 10. The tutorial gave me the following:
I clicked on the "eye" icon and things went away. I see no way to get them to come back, that is "to toggle". This is what I see after clicking the "eye icon":
first off I'd really recommend posting this on the Komodo Forums, that's what they're for! ;)
If you go to the next step in the tutorial it explains how to toggle everything back. In short, hit the ALT key, then go to View > Toggle Focus Mode.