diff --git a/source/C/command_line.rst b/source/C/command_line.rst
index 489f8e07..153db63e 100644
--- a/source/C/command_line.rst
+++ b/source/C/command_line.rst
@@ -52,3 +52,11 @@ where you replace [file] with the file you want to edit.
 
 If you want to stop something running in the terminal press :kbd:`Control +C`.
 
+If you want just to see the contents of a file on standard output run 
+
+.. code::
+
+   cat [filename]
+   
+
+