Yes, indeed.
> I thought it was the coolest thing.
NT was designed to have different subsystems[1]. Win32 subsystem was a layer on top of NT, and was a peer to the POSIX subsystem, and IIRC even OS/2. WSL1 ideas was certainly not new in the context of NT. FreeBSD also has a Linux subsystem.
[1]: https://upload.wikimedia.org/wikipedia/commons/thumb/5/5d/Wi...
It was implemented as an NT "Pico Process", which was a pretty new concept in NT.
Yes, indeed.
> I thought it was the coolest thing.
NT was designed to have different subsystems[1]. Win32 subsystem was a layer on top of NT, and was a peer to the POSIX subsystem, and IIRC even OS/2. WSL1 ideas was certainly not new in the context of NT. FreeBSD also has a Linux subsystem.
[1]: https://upload.wikimedia.org/wikipedia/commons/thumb/5/5d/Wi...