Easiest Way to load a ROOT File

Note: ROOT envirionment variables must be set up permanently in order to launch ROOT from the command line. (Refer as necessary to Set ROOT Environment Variables: Linux or Windows.)

1. To load a ROOT file from the command line as you are launching ROOT, simply enter:

   root -l AllGamma_Merit.root

2. Then, to start the TreeViewer, enter:

   MeritTuple->StartViewer()

   Your ROOT session should look similar to: