What is the Windows Subsystem for Linux (WSL)

Windows Substation for Linux (WSL) isn’t a brand-new technology, but it’s still a feature worth exploring within Windows Server 2019. Let’s take a brief look at how to install WSL, use cases for WSL, and what this means for your existing knowledge and skills.

We can think of the WSL as a compatibility layer that runs between your Windows operating system and a Linux kernel. It is installed as an optional component onto your Windows computer or server (Windows Server 2019 in our example). Once this layer has been installed, you are able to run Linux commands from a Linux command line — just as if you were sitting in front of a native Linux computer.

This opens many possibilities for administrators, developers, and software testers who need to test scripts, programs, or commands quickly — without the need to swap computers or fire up a Linux virtual machine.

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