title: Linux CentOS 7, how to set Python2.7 as default Python version?
body: <p>I'm using a laptop running Linux CentOS 7.
  I installed Python2.7, and then I installed Anaconda, which installed Python3.5.2</p>
  
  <p>I want my system to use Python2.7 as default, but if I type <code>python</code> from my terminal, it launches Python3.5.2 from Anaconda:</p>
  
  <pre><code>[davide@opennet-33-58 ~]$ python
  Python 3.5.2 |Anaconda custom (64-bit)| (default, Jul  2 2016, 17:53:06) 
  [GCC 4.4.7 20120313 (Red Hat 4.4.7-1)] on linux
  Type "help", "copyright", "credits" or "license" for more information.
  &gt;&gt;&gt; 
  </code></pre>
  
  <p>I tried to remove Python3 but it's still there...</p>
  
  <p><strong>How can I set Python2.7 as default Python version on my machine?</strong></p>
  
  <p>Thanks</p>