#!/usr/bin/env python
# coding: utf-8

# In[32]:


get_ipython().run_cell_magic('writefile', 'test.txt', 'foo bar\nbarman\nbaz\n')


# In[33]:


get_ipython().system('grep bar test.txt')


# In[34]:


get_ipython().run_line_magic('alias', 'grep grep --color=always')


# In[35]:


grep bar test.txt