Opt directory structure in Mac

Below is list of directories and respective details as generally found in /opt/ directory of Mac.

Feel free to comment below if you find new directories (name and details).

/opt/:

  • /opt/gtk/
    • /opt/gtk/bin/
    • /opt/gtk/etc/
    • /opt/gtk/lib/
    • /opt/gtk/share/
  • /opt/vagrant/
    • /opt/vagrant/bin/
    • /opt/vagrant/embedded/
  • /opt/X11/
    • /opt/X11/bin/
    • /opt/X11/etc/
    • /opt/X11/include/
    • /opt/X11/lib/
    • /opt/X11/libexec/
    • /opt/X11/share/
    • /opt/X11/var/