Among many other reasons, this is one more why I always prefer to use a GUI than a terminal shell. The default delete operation is just sends files to trash, and that’s easily undoable. I think you can even press Ctrl+Z to do so (can’t check atm).

I don’t even know how to do that from commandline.

(one online search later…)

There’s a package for that but best I can tell there’s no universal way.