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CLI fundamentals

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Course updated 20 September 2022
Course CLI fundamentals
Free course
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  • In-browser editor for exercises
  • Permanent access to theory
  • Asynchronous learning

Included in the course

19 lessons (video or text)
19 exercises in the IDE
57 quizzes
Assistance in «Discussions» on the website

What you will learn

  • Navigate the file system
  • Dealing with environment variables
  • Manage file accesses
  • Use package manager to install utilities
  • Exit Vim


The command line is the first thing a developer encounters when working on *nix systems such as Linux or macOS. Its significance is impossible to overestimate, it's the main way to interact with the system and the way to operate numerous programs, such as git or ansible.


Estimated time 22 hours


We recommend you to work on these challenges after completing the course. They will help you obtain more experience in programming and strengthen new skill.

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