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Can’t call it Windows 9

But that actually made sense! They care about backwards compatibility.

For those not in the know: some legacy software checked if the OS name began with “Windows 9” to differentiate between 95 and future versions.

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8 points

It makes sense why they did it, but their messed up versioning was the cause to begin with. You should always assume Devs will cut corners in inappropriate ways.

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15 points

They’ll cut corners the more the shittier APIs and ABIs you provide

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3 points
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The API is fine. It returns the internal version number (which is 4.0 for Windows 95), not a string. https://learn.microsoft.com/en-us/windows/win32/api/winnt/ns-winnt-osversioninfoexa. There’s no built-in API that returns “Windows 95” as a string.

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8 points
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An often repeated urban legend that has no basis in reality. Software checking the version of Windows gets “6.1” for Windows 7 and “6.2” for Windows 8. The marketing name doesn’t matter and is different.

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25 points
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Deleted by creator
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14 points

Say whatever you want about Microsoft, but they don’t mess around with backwards compatibility.

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15 points

It’s easy to be backwards compatible when you’re backwards in general.

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2 points

it could’ve just been windows nine. or any other word that isn’t a number

But “nine” is a word that is a number

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5 points
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They probably search for windows n(t) somewhere too ;)

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16 points

The reason they checked that it started with “Windows 9” was because it worked for “Windows 95” and “Windows 98”

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3 points

Strange argument… how does that prevent checks versus Windows 7, 8 and 1* all of which would be less than 9.

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5 points

Because it checks if the version starts with the string “Windows 9*”, not wether the number is less than 9.

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2 points

This is a myth - code that checks the version number uses the internal version number, which is 4.0 for Windows 95.

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1 point

I was about to say that most apps should check the NT number but then I remembered that until XP it wasn’t common to run a NT system, but then I remembered NT 4 existed basically in the same timeframe as 95 did, and even if the argument went to “it’s a 9x application”, shouldn’t these OSes at least have some sort of build number or different identifier systems? Because as I said NT systems were around, so they would probably need a check for that

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1 point

Some programs just didn’t work on NT though. A lot of installers were more OS specific back then.

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1 point

Eh. I think Microsoft should have let that break so the spaghetti code finally gets fixed

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6 points
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some legacy software checked if the OS name began with “Windows 9” to differentiate between 95 and future versions.

This is a myth. Windows doesn’t even have an API to give you the marketing name of the OS. Internally, Windows 95 is version 4.0 and Windows 98 is 4.1. The API to get the version returns the major and minor version separately, so to check for Windows 95 you’d check if majorVersion = 4 and minorVersion = 0.

Edit: This is the return type from the API: https://learn.microsoft.com/en-us/windows/win32/api/winnt/ns-winnt-osversioninfoexa

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Maybe it’s a myth, but it sure sounds plausible. The software that checks the “Windows 9” substring doesn’t even have to exist for this to be reason they chose to skip to version 10 — they just had to be concerned that it might exist.

Sure, maybe there’s no C function that returns the string, but there’s a ver command. It would be trivial to shell out to the command. https://en.wikipedia.org/wiki/Ver_(command)

This doesn’t prove anything, but there are a TON of examples of code that checks for the substring. It’s not hard to imagine that code written circa 2000 would not be future proof. https://sourcegraph.com/search?q=context:global+“\“windows+9\””&patternType=keyword&sm=0

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4 points

but there are a TON of examples of code that checks for the substring

oh

oh no

There’s code in the JDK that does that??

I really wish I didn’t see that.

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5 points
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And for the same reason they went straight from 2.1 3.x to 5.0 when they renamed .Net Core to just .Net. Versions 3.x and 4.x would have been too easy to confuse (either manually or programmatically) with the old .Net Framework versions that were still in use, especially for Desktop applications.

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1 point

Dotnet core 3.x exists

Dotnet core 4 never existed because they wanted to make it the mainline dotnet… That means framework is retired and everything is now the slimmer multiplatform runtime.

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1 point

Oh yeah right, I totally forgot 3.x.

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