I suspect old systems like Multics did. But, this is the sort of thing that Richard Gabriel is talking about in worse is better[1] [1]: https://www.dreamsongs

I suspect old systems like Multics did. But, this is the sort of thing that Richard Gabriel is talking about in worse is better[1] [1]: https://www.dreamsongs.com/WorseIsBetter.html https://www.dreamsongs.com/WorseIsBetter.html