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Is It Time for Windows and Linux to Converge?

Accepted submission by takyon at 2020-09-28 09:51:00

Last phase of the desktop wars? []

The two most intriguing developments in the recent evolution of the Microsoft Windows operating system are Windows System for Linux (WSL) and the porting of their Microsoft Edge browser to Ubuntu.

For those of you not keeping up, WSL allows unmodified Linux binaries to run under Windows 10. No emulation, no shim layer, they just load and go.

[...] Proton is the emulation layer that allows Windows games distributed on Steam to run over Linux. It's not perfect yet, but it's getting close. I myself use it to play World of Warships on the Great Beast.

The thing about games is that they are the most demanding possible stress test for a Windows emulation layer, much more so than business software. We may already be at the point where Proton-like technology is entirely good enough to run Windows business software over Linux. If not, we will be soon.

So, you're a Microsoft corporate strategist. What's the profit-maximizing path forward given all these factors?

It's this: Microsoft Windows becomes a Proton-like emulation layer over a Linux kernel, with the layer getting thinner over time as more of the support lands in the mainline kernel sources. The economic motive is that Microsoft sheds an ever-larger fraction of its development costs as less and less has to be done in-house.


If you think this is fantasy, think again. The best evidence that it's already the plan is that Microsoft has already ported Edge to run under Linux. There is only one way that makes any sense, and that is as a trial run for freeing the rest of the Windows utility suite from depending on any emulation layer.

So, the end state this all points at is: New Windows is mostly a Linux kernel, there's an old-Windows emulation over it, but Edge and the rest of the Windows user-land utilities don't use the emulation. The emulation layer is there for games and other legacy third-party software.

Also at The Register [].

Previously: Windows 10 Will Soon Ship with a Full, Open Source, GPLed Linux Kernel []
Call Me Crazy, but Windows 11 Could Run On Linux []
Microsoft Windows Linux for Everybody []

Original Submission