Many if not most are from emacs. As to why I have no clue, but could be for historic reasons, i.e no overarching logic. Bash also has a vim mode which makes s

Many if not most are from emacs. As to why I have no clue, but could be for historic reasons, i.e no overarching logic. Bash also has a vim mode which makes sense to use for vim users. This connection with the editor really helps a lot.