Your Question: What Is Subsystem in Linux?
Contents the Windows Subsystem for Linux Lets Developers Run a Gnu/Linux Environment — Including Most Command-Line Tools, Utilities, and Applications...
The Windows Subsystem for Linux lets developers run a GNU/Linux environment — including most command-line tools, utilities, and applications — directly on Windows, unmodified, without the overhead of a traditional virtual machine or dualboot setup.
How does the Linux subsystem work?
Instead of using a VM or container, WSL virtualizes a Linux kernel interface on top of the Windows kernel. This means that running WSL only requires a minimal amount of RAM. And when not in use, the WSL driver isn’t loaded into memory, making it much more efficient than a solution based on a VM or container.
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What is WSL used for?
The Windows Subsystem for Linux (WSL) is a feature of Windows 10 that enables you to run native Linux command-line tools directly on Windows, alongside your traditional Windows desktop and apps.