The world uses both really. Most servers run Linux, Android is also based on Linux, but many systems that are used worldwide are based on BSD. For example the OS for PlayStation and Apple (macOS, iOS) are both based on FreeBSD.
Why do you think these companies chose the OS that they did?
Do you see Linux losing market share if countries are prevented from contributing to it?
Why do you think these companies chose the OS that they did?
It's complex really, but one big difference is the license used.
With a BSD license you can keep your code closed, that's why iOS is closed source for example.
Linux uses GPL, which means the source code should be available, which you can get from AOSP: https://source.android.com Android derivatives like GrapheneOS use AOSP as their base for example.
Do you see Linux losing market share if countries are prevented from contributing to it?
There's no prevention of contributing to it. What I mentioned was the specific laws in the US about export of cryptography. You can't export certain types of software from the US to, say, Iran, or Cuba, etc. But those laws don't apply if the software originates from say, Canada, which is the case of OpenBSD.
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There's no prevention of contributing to it.
Sure there is.
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Linus is the main maintainer of the Linux kernel, and sure, he gets to decide what code goes there. But there's no law against it. Anyone can fork the kernel and make their own changes. Companies do it all the time.
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Free as in freedom.
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