some_learning.md

https://www.learnshell.org/

https://linuxconfig.org/bash-scripting-tutorial-for-beginners

https://makefiletutorial.com/

https://gitlab.com/richardnagy/makefiles

https://www.docker.com/101-tutorial/

https://docker-curriculum.com/

https://openastronomy.org/rcsc18/chapters/03-fundamentals-of-python/01-introduction-to-python

https://pymbook.readthedocs.io/en/latest/

https://glyph.twistedmatrix.com/2022/06/dates-and-times-and-types.html