2019
GeeksLesson - Linux Command Line Full course: Beginners to Experts. Bash Command Line Tutorials 0:00 of 3:23:08
    https://www.youtube.com/watch?v=2PGnYjbYuUo
2017
FromLammerToProgrammer - Learn Linux by Ubuntu Sample of 12 parts
    https://www.youtube.com/playlist?list=PL7KBbsb4oaOnEdCxwKkRDXCUNZ-gPYf89