diff --git a/CactusTutorial.ipynb b/CactusTutorial.ipynb
index 755b026..dbd3430 100644
--- a/CactusTutorial.ipynb
+++ b/CactusTutorial.ipynb
@@ -68,6 +68,10 @@
    "source": [
     "# this allows you to use \"cd\" in cells to change directories instead of requiring \"%cd\"\n",
     "%automagic on\n",
+    "# override IPython's default %%bash to not buffer all output\n",
+    "from IPython.core.magic import register_cell_magic\n",
+    "@register_cell_magic\n",
+    "def bash(line, cell): get_ipython().system(cell)\n",
    ]
   },
   {