To make it more specific I guess, what’s the problem with that? It’s like having a “people living on boats” and “people with no long term address”. You could include the former in the latter, but then you are just conveying less information.
Others have answered, but it is interesting to know the history of UNIX and why this came to be. BSD is technically UNIX derived, but being more specific isn’t the reason why it has distinct branding. As with many evils the root is money, and there’s a lot in play into how it all happened, including AT&T being a phone monopoly.
To make it more specific I guess, what’s the problem with that? It’s like having a “people living on boats” and “people with no long term address”. You could include the former in the latter, but then you are just conveying less information.
Others have answered, but it is interesting to know the history of UNIX and why this came to be. BSD is technically UNIX derived, but being more specific isn’t the reason why it has distinct branding. As with many evils the root is money, and there’s a lot in play into how it all happened, including AT&T being a phone monopoly.
https://en.wikipedia.org/wiki/UNIX_System_Laboratories,_Inc._v._Berkeley_Software_Design,_Inc.
And I recommend watching this video informative and funny about the history and drama behind it all: https://www.youtube.com/watch?v=g7tvI6JCXD0