Where are tex /mactex binaries after brew install mactex As can be seen: mactex was installed successfully:

==&gt; Installing Cask mactex
==&gt; Running installer for mactex; your password may be necessary.
==&gt; Package installers may write to any location; options such as --appdir are ignored.
Password:




==&gt; installer: Package name is MacTeX-2017
==&gt; installer: Upgrading at base path /
==&gt; installer: The upgrade was successful.
  mactex was successfully installed!


Where is it however.. 

21:22:37/hw6 $which tex
21:23:35/hw6 $which mactex
At the time of writing (June 17th, 2018) running:

brew cask install mactex


will install MacTeX-2018 and

which tex


gives

/Library/TeX/texbin/tex