Additional ROOT materials
As you know, information about ROOT is quite difficult to find using search engines Google, Yandex and they are similar because the name of the package is the same as the name of the root directory of the LINUX operating system. To cut off unnecessary pages with a description of root rights, root directory, etc. type in the search bar root cern. Then different information about the ROOT software package will come out on the first pages.
Here are a few Russian-language sources about ROOT. If you have met online materials that may be of interest to other users of ROOT, please report it site administration.