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Run a root session

  • Verify that you can run a root session and display a histogram on your laptop.
    source /ds50/app/ds50/ds50.sh
    setup root v5_34_05 -q debug:e2
    root -l $DS50data/ds50/tutorial/test.cint
    
  • You should see a popup window that looks like the image below.
  • If no window appears, you may need to use ssh -X or ssh -Y.
  • This is described in the web page about logging in to the Fermilab interactive machines.
  • To exit root, return the pointer focus to the window in which you ran root. Then type ".q" (without the quotes, with the leading dot) at the root prompt.
  • Root test image:
    root test display