[Info-vax] What is a "real" Unix ?

[Bob Eager]

On Tue, 05 Sep 2023 10:07:04 +0100, Single Stage to Orbit wrote:

> On Mon, 2023-09-04 at 18:08 -0700, gah4 wrote:
>> > Is it something that implements a set of user-visible APIs and
>> > certain behaviour within its kernel (fork() semantics for example) ?
>>  
>> There used to be a story about George Washington's axe.
>> (The one he cut down the cherry tree with.)
>> 
>> After many year, two new blades and three new handles, it is still GW's
>> axe.
> 
> That analogy is even older than that. The ancient Greeks had Theseus's
> boat. Replace all the planks in her, is it the same boat?

And the more modern one is Trigger's broom.