From 3cca2a5bacd7a9d556aaba966537ee746d921431 2014-01-07 19:07:02
From: Thomas Kluyver <takowl@gmail.com>
Date: 2014-01-07 19:07:02
Subject: [PATCH] Merge pull request #4746 from minrk/cls

remove redundant cls alias on Windows
---

diff --git a/IPython/terminal/interactiveshell.py b/IPython/terminal/interactiveshell.py
index 01a0e12..372547e 100644
--- a/IPython/terminal/interactiveshell.py
+++ b/IPython/terminal/interactiveshell.py
@@ -379,9 +379,6 @@ class TerminalInteractiveShell(InteractiveShell):
         if os.name == 'posix':
             aliases = [('clear', 'clear'), ('more', 'more'), ('less', 'less'),
                        ('man', 'man')]
-        elif os.name == 'nt':
-            aliases = [('cls', 'cls')]
-
 
         for name, cmd in aliases:
             self.alias_manager.soft_define_alias(name, cmd)