Please recommend me a good free online course to learn linux or bsd console.

[Gary Longsine]

hi , i know how to tinker with terminal do this and that a bit , but never ever actually officially learned properly so i need…
for example that course should contain:
file editing from console

Oh, here's something important that nobody bothers mention in any tutorial: the single most important thing when learning *any* file editor is to learn the various ways to quit, escape, undo (and did I say quit?) from the editor, before you try to use it.

The first time you accidentally open an entire directory in vi or emacs and you don't know how to back out, you'll remember this tip.

 

[Alain De Vos]

I use vscode .

 

[Espionage724]

Oh, here's something important that nobody bothers mention in any tutorial: the single most important thing when learning *any* file editor is to learn the various ways to quit, escape, undo (and did I say quit?) from the editor, before you try to use it.

I still rely on a Type :qa and press <Enter> to exit Vim prompt if sudo -e doesn't go to nano (I'm not sure on differences but some OSs and editors don't have that prompt with Ctrl + C leading to an online search how to exit what's assumed vim)

But learning how to do that proper is a good idea