But magic hides the details. And sometimes, you don't want magic. Sometimes, you want surgical precision.
You can find the official Ubuntu WSL rootfs tarballs here: https://cloud-images.ubuntu.com/wsl/ ubuntu jammy wsl rootfs tar.gz download
So go ahead. Download the rootfs. Import it. Break it. Reset it. Repeat. That’s the Unix way—even on Windows. But magic hides the details
Pro-tip: Look for the -wsl- in the filename. That’s the one optimized for Microsoft’s kernel and integration services. Once you have the 200MB file, open PowerShell as Administrator and run: You can find the official Ubuntu WSL rootfs
Let’s be honest: wsl --install -d Ubuntu is magical. One command, and within minutes, you have a fully functional Linux kernel and a user space running on Windows.
That’s when I fell down the rabbit hole of the . What is a Rootfs Tarball, Anyway? In the WSL world, a "root filesystem" (rootfs) is exactly what it sounds like: the entire / directory of an Ubuntu installation, compressed into a single .tar.gz file. When you feed this tarball to wsl --import , WSL skips the installer, skips the setup wizard, and just unpacks the universe into a new distro.
For direct link (as of this post): https://cloud-images.ubuntu.com/wsl/jammy/current/ubuntu-jammy-wsl-amd64-rootfs.tar.gz