Not enough examples is only in GNU/Linux; the BSD’s and illumos-based operating systems have plenty of examples. Especially illumos, since they enforce a rule t

Not enough examples is only in GNU/Linux; the BSD’s and illumos-based operating systems have plenty of examples. Especially illumos, since they enforce a rule that no component may be integrated without a comprehensive manual page and since they come from Solaris, most of the documentation was written by a dedicated department of professional technical writers working with the engineers to document their work in a systematic fashion.