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It's also UNIX written in reverse.

I completely missed that. Now my OCD's thirst has been slaked. Thanks.

I don't see the difference..?

He is pointing out that leaving out "is" in "GNU is not Unix" is pretty lousy way to make an acronym (if that could be called acronym at all), as "is" is as much word as "not" or "Unix" are and omitting it is arbitrary. It isn't a preposition or something.

Removing one and two letter words from acronyms is commonplace.

Yeah, you mean prepositions, which "is" isn't. I don't really care, btw, just clarifying what parent (probably) tried to say.

> Yeah, you mean prepositions

No I don't. See https://en.wikipedia.org/wiki/Acronym#Numerals_and_constitue... and also https://en.wikipedia.org/wiki/Etiquette

Maybe he means that Xinu is Unix backwards.

It's a recursive acronym that is also UNIX backwards:

XINU

Is

Not

Unix

Hmm, they look like identical forms of wordplay, with GNU having the added advantage of being an actual word.

Same with WINE - Wine Is Not an Emulator

How about: WINE - Wine is no emulator?

GINX is not UNIX?

Genuino is not UNIX