[rrampage]

The Missing Semester of CS education by MIT ( https://missing.csail.mit.edu/ ) has a lot of great materials and videos to get started with basics of command line, shell, and git.

It has been discussed previously on HN ( https://news.ycombinator.com/item?id=22226380 )

[taurusnoises]

Really interesting. I'll check it out. First glance looks awesome.