Wednesday, August 19, 2020

What is the Windows Subsystem for Linux

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.

Finally, there’s the issue of security. Before Microsoft had a reliable patching cycle, it was Linux systems that were seen as the most secure option to host critical services within companies and organizations. Updating the entire operating system from the command line is a simple task,with all dependencies looked after automatically. WSL is the same. This makes it a safe option to use, provided you keep your systems updated.

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