Operating systems, infrastructure, emulation, and technical history.
WSLg runs a real Wayland compositor and audio server inside WSL, remoting individual application windows to Windows over RDP's RAIL protocol.
WSL's path from a cancelled Android-compatibility project through syscall translation to a genuine, Microsoft-maintained Linux kernel in a lightweight VM.
Exporting a WSL distro's entire state to a portable file, and restoring it later on the same machine after a problem or on an entirely different one.
A complete diskpart walkthrough for shrinking a WSL2 distro's .vhdx file after deleting large data, since Windows never reclaims that space on its own.
Configuring Docker Desktop to use WSL2 as its backend, integrating specific distros, and verifying containers run on WSL2's real kernel, not a separate VM.
Turning on systemd support in a specific WSL2 distro, applying the required restart correctly, and verifying services actually manage correctly afterward.
Both directions of WSL file access, plus the performance-driven rule for deciding which filesystem a given project's files should actually live on.
Setting up an NVIDIA GPU for CUDA-accelerated machine learning in WSL2, from Windows-side driver installation through verifying real acceleration.
Getting WSL2 and a Linux distro running from a clean Windows install using the single-command path, plus what to check if it doesn't work the first time.
Running several separate Linux distros side by side under WSL, installing new ones, switching between them, and setting a specific one as your default.