[seankross]

I wrote this course, an introduction to using the command line: https://www.coursera.org/learn/unix

[int32767]

Oh! Speaking of command line and the basics, this one from MIT is amazing. Covers all the basics.

The Missing Semester of Your CS Education - https://missing.csail.mit.edu/

Contents: Course overview + the shell, Shell Tools and Scripting Editors (Vim), Data Wrangling, Command-line Environment, Version Control (Git), Debugging and Profiling, Metaprogramming, Security and Cryptography

[igorstellar]

any chance you are going to make advanved level class as well? I covered basics a while ago, looking to work on efficiency

[david_blitz1]

It was really nice. I can recommend!