Robin
assume these are bash scripts.
.bashrc is a config file actually. The dot starting the filename means it is a hidden file. To see it, you need to activate “hidden files” in zzzFM, right click for context menu in the folder, → View (Ansicht) → Hidden files, or press “Ctrl H” to toggle. On console (and also in a terminal emulator window) use ls -a instead of merely ls
Can you recommend some sources to learn about these for a complete beginner in any type of programming?
https://openbook.rheinwerk-verlag.de/linux/index.html (Openbook, but sorry, only German language.)
https://openbook.rheinwerk-verlag.de/shell_programmierung/index.htm (again, only in German. Sorry.)
Windows is like a submarine. Open a window and serious problems will start.