src/packaging/MacOS/conclusion.txt

   1 OpenAFS commands have been installed into /opt/openafs/, instead of the old locations in /usr/bin/ and /usr/sbin/. You must start a new shell for your PATH to be automatically updated to find these commands.
   2
   3 Alternatively, you can just add /opt/openafs/bin and /opt/openafs/sbin into your PATH manually.