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Microsoft Open-Sources Windows Subsystem for Linux at Build 2025

During the 2025 Build developer event, the company behind Windows shared the majority of the Windows Subsystem for Linux's source code on GitHub, making it accessible to the public.
WSL originated in 2016 as an experimental tool to run Linux distributions directly on Windows, evolving through versions with different architectures.
While Microsoft open-sourced command-line tools, background services, and Linux daemons of WSL, some Windows kernel drivers like lxcore.sys remain proprietary.
Pierre Boulay emphasized that the development of WSL has been deeply shaped by its community, whose significant contributions occurred even before the project’s source code was made publicly available, underscoring the excitement around open-sourcing WSL today.
Opening WSL's code allows developers to inspect, build, and submit improvements, signaling increased community involvement in shaping its future development.

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Microsoft Makes an Important Step! Windows Subsystem for Linux (WSL) Is Now Open-Source

Microsoft finally made a lot of progress expected by the programmers. At the BUILD 2025 conference, it announced a change in the Windows subsystem for Linux (WSL), which is now open-source. This revelation occurs in the event where the...

3 days ago·Portugal

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The New Stack

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The Windows Subsystem for Linux Is Now Open Source

At its annual Build developer conference, Microsoft today announced that it is open sourcing the Windows Subsystem for Linux (WSL), which allows developers to easily run Linux distributions inside of Windows. “We want Windows to be a great dev box,” Pavan Davuluri, the corporate VP at Microsoft in charge of Windows and devices, told me. “At the end of the day, a good dev box means a variety of different things. One of them has been just having g…

4 days ago

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Areyoupop

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Microsoft open-sources a command-line text editor and more at Build

At its Build 2025 conference, Microsoft open-sourced a number of apps and tools, including a new command-line text editor for Windows called Edit.

4 days ago·United States

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BleepingComputer

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Microsoft open-sources Windows Subsystem for Linux at Build 2025

Microsoft has open-sourced the Windows Subsystem for Linux (WSL), making its source code available on GitHub, except for a few components that are part of Windows.

4 days ago

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WWWhat's new

Microsoft Opens WSL Code: a Key Step Towards Collaboration with the Linux Community

After nearly a decade of closed development, Microsoft has released the Windows Subsystem code for Linux (WSL). This decision allows any developer to access the heart of how Linux runs on Windows, with the ability to inspect, modify and contribute directly from GitHub. It is an opening that marks a new chapter in the relationship between Microsoft and the open source ecosystem. What exactly is WSL? For those unfamiliar, Windows Subsystem for Lin…

2 days ago

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tildes.net

What Linux apps do you use that are compelling enough to run in WSL in Windows?

Inspired by the thread about WSL going open source - even when I ran Linux, which I do love, I was mostly running things that were cross-platform. So what am I missing out on that I should get working under WSL? I figured this night not only benefit me :) but maybe others and be s good chance for folks to enthuse about projects that they are excited about :) Comments URL: https://tildes.net/~comp/1o3x/what_linux_apps_do_you_use_that_are_compelli…

2 days ago

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