Agile Web Development with Rails 7: Following logs (PDF p. 16) (solved)

In section ‘The Desktop’, you describe various windows that are convenient to have open, while developing.

Using less -F allows searching the whole (log) file.
How about mentioning this command (in addition to tail -f)?
(Notice the different capitalisation in the two commands.)

I find this really useful, when the time comes to, well, search for exception names or other information.