Installation-guide.md

@@ -21,4 +21,10 @@ Installation with spectroscopic data
 2. Download spectroscopic data zip files
 3. Moves them in YAFITS_HOME/spectro/mongo-seed/data
 4. Go back to YAFITS_HOME
-5. Executes ./yafits updatespectro
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+5. Executes ./yafits updatespectro
+
+
+Running the application in background
+======================================
+
+1. Executes nohup ./yafits buildrun &  ( same goes for updatespectro option )
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