diff --git a/ProcessFASTQ.ipynb b/ProcessFASTQ.ipynb
index e6c03651504773c16df7b5419bd11a973119175e..75e41e2f410c9a11e852942e4a350818de6b8a54 100644
--- a/ProcessFASTQ.ipynb
+++ b/ProcessFASTQ.ipynb
@@ -671,6 +671,28 @@
     "    "
    ]
   },
+  {
+   "cell_type": "code",
+   "execution_count": 274,
+   "metadata": {
+    "collapsed": false
+   },
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "28\tNM:i:0\n"
+     ]
+    }
+   ],
+   "source": [
+    "%%bash \n",
+    "source ./source\n",
+    "\n",
+    "sed -n 415,420p 4-Bowtied/$FILENAME.sam | hean"
+   ]
+  },
   {
    "cell_type": "code",
    "execution_count": 239,