It’s JSX. It’s used to embed markup into javascript

It’s not the last book. It’s how the seventh book, Persepolis Rising, starts.

Of course my comment is false equivalence, because the initial assertion is false equivalence.

You can’t compare NASA and Spacex because they have different goals. NASA even contract many of their payloads to Spacex, which they wouldn’t do if they were in the same business.

What do you base that on?

Spacex has had zero successful missions to Mars. NASA has landed 5 rovers.

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It is a subsystem of Windows that Linux runs in. It’s not a subsystem of Linux.

Windows is the system. It’s the host operating system. It created a subsystem specifically for running a child operating system. In this case, Linux

Because it isn’t a subsystem of Linux. It is a subsystem in Windows that allows Linux to run as part of Windows.

The windows subsystem gives Linux access to the Windows system.