====== Running ROOT in batch mode ======
===== Idea =====
Sometimes it may be useful to use ROOT without anything put on a canvas, e.g. if you want to run a script with ''nohup'' and then disconnect the ssh-connection.
===== How to... =====
You can start ROOT in batch mode with 
<code>
root -b
</code>
If you have a macro, you have to add:
<code>
gROOT->SetBatch();
</code>