diff -r 2cda9b04f142 -r ec4cb3ba7f09 day1/tot.tex
--- a/day1/tot.tex	Mon Jan 25 17:53:03 2010 +0530
+++ b/day1/tot.tex	Wed Jan 27 21:42:07 2010 +0530
@@ -156,7 +156,7 @@
 \frametitle{Checklist}
   \begin{enumerate}
     \item IPython
-    \item Editor: We recommend \alert{scite}.
+    \item Editor
     \item Data files: 
       \begin{itemize}
       \item \typ{sslc1.txt}
@@ -250,6 +250,14 @@
   \ldots
 \end{frame}
 
+\section{Command history}
+\begin{frame}[fragile]
+  \frametitle{Command history}
+  \typ{In []:} \alert{$\uparrow$}\\
+  \typ{In []: a = 'Hello world'}\\
+  \emphbar{The previously entered commands can be browsed using the \alert{$\uparrow$} key.}
+\end{frame}
+
 \section{Saving Commands}
 \begin{frame}[fragile]
 \frametitle{History and Saving of Commands}