https://root.cern.ch/root/html534/guides/users-guide/ROOTUsersGuide.html
https://en.wikipedia.org/wiki/ROOT

http://ific.uv.es/~fiorini/ROOTTutorial/root_tutorial.pdf
https://www.fisgeo.unipg.it/~duranti/metodi/metodi_19-20/_slides/Cplusplus_Makefile_ROOT.pdf
https://etaler.readthedocs.io/en/latest/UsingWithClingROOT.html

https://root.cern/install/build_from_source/

!!!
https://caiorss.github.io/C-Cpp-Notes/Root-cern-repl.html
    ! with docker

cli
rootcling
rootbrowse
root
    <filename.cpp|c>
options
    -l 
        do not show banner