Back to blog 
09. 08. 2026 In the past, developers who required Linux command-line tools on Windows had to rely on heavy virtual machines (such as VirtualBox or VMware) or set up complex dual-boot partitions. With the release of the Windows Subsystem for Linux (WSL), Microsoft enabled developers to run a genuine Linux environment natively inside Windows without traditional virtual machine overhead.
Difference Between WSL 1 and WSL 2
WSL technology underwent a fundamental architectural shift between its first and second iterations.
| Feature | WSL 1 Architecture | WSL 2 Architecture |
|---|---|---|
| Linux Kernel | Translation layer (converts Linux syscalls into Windows NT syscalls). | A real custom Linux kernel running inside a lightweight utility VM. |
| File System Performance | Slower I/O operations when processing large file trees. | Up to 20x faster file system performance for I/O heavy operations. |
| System Call Compatibility | Limited support for system-level tools like Docker. | 100% full system call compatibility (full support for Docker, Systemd, etc.). |
Key Advantages of Using WSL 2
WSL 2 combines the best of both platforms—the rich Windows UI experience with the power of native Linux terminal tooling.
- Seamless Cross-OS File Access: Access Linux root file systems directly from Windows File Explorer via
\\wsl$paths. - Docker Desktop Backend: Docker on Windows leverages WSL 2 as its primary engine for container orchestration.
- GUI Application Support (WSLg): Run graphical Linux desktop applications seamlessly alongside native Windows apps.
Essential WSL Management Commands
Installing and configuring Linux distributions (e.g., Ubuntu, Debian) is straightforward via Command Prompt or PowerShell.
# 1. Automatically install WSL alongside default Ubuntu distribution wsl --install # 2. List installed Linux distributions and their active WSL version wsl --list --verbose # 3. Launch a specific Linux distribution directly from the shell wsl -d Ubuntu # 4. Terminate all active Linux instances (frees allocated RAM memory) wsl --shutdown
Why WSL Revolutionized Software Development
WSL empowers developers to use native Windows IDEs (such as VS Code) while executing server binaries, scripts, and Docker containers inside a true Linux ecosystem, dramatically streamlining modern web and software development workflows.