Learn to Code

You can learn the basic to start coding with these tutorials freely available in the internet. 

The command line:

https://www.codecademy.com/courses/learn-the-command-line

Python:

https://www.codecademy.com/tracks/python

http://www.learnpython.org/

https://www.coursera.org/course/interactivepython1

https://www.coursera.org/course/interactivepython2