libexec is not really BSD-specific, but yes, this article is about BSD.
However, I also mentioned that the same problem applies to pre-systemd Linux systems because of their /etc/init.d/ directory. systemd has actually done the right thing here (which is also mentioned in the article) by putting unit logic under /lib/.
However, I also mentioned that the same problem applies to pre-systemd Linux systems because of their /etc/init.d/ directory. systemd has actually done the right thing here (which is also mentioned in the article) by putting unit logic under /lib/.