Command Line Next Steps
You have completed the crash course. At this point you should be a barely capable shell user. There's a whole huge list of tricks and key sequences you don't know yet, and I'm going to give you a few final places to go research more.
Unix Bash References
The shell you've been using is called Bash. It's not the greatest shell, but it's everywhere and has a lot of features, so it's a good start. Here's a short list of links about Bash you should go read:
- Bash Cheat Sheet
- https://learncodethehardway.org/unix/bash_cheat_sheet.pdf created by Raphael and CC licensed.
- Reference Manual
On Windows there's really only PowerShell. Here's a list of useful links for you related to PowerShell: