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This guide takes you from hardware checks to a working development setup, then covers storage, networking, systemd, GUI applications, GPU workloads, Docker and the cases where a virtual machine or native Linux is a better choice.
What WSL is—and what it is not
WSL is a Windows feature and a distribution-management environment. Each installed distribution is a separate Linux user space with its own package manager, accounts and files. You can run Linux commands from Windows and Windows programs from Linux, while continuing to use ordinary Windows applications.
WSL 2 is not native Linux, a traditional dual-boot installation or a conventional full virtual machine with independently emulated hardware. Its Linux kernel and virtualized environment provide broad compatibility, but not every kernel feature, device, desktop application or production-server behavior is guaranteed. Windows still controls boot, hardware and system policy. Linux GUI applications are supported through WSLg on suitable Windows 11 and WSL configurations, but WSL is primarily a development and command-line environment.
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See Microsoft’s installation guidance at learn.microsoft.com/en-us/windows/wsl/install and GUI documentation at learn.microsoft.com/en-us/windows/wsl/tutorials/gui-apps.
WSL 1 versus WSL 2
| Area | WSL 1 | WSL 2 |
|---|---|---|
| Linux compatibility | System-call translation layer | Linux kernel in a lightweight virtual machine |
| Linux filesystem performance | Can be advantageous for some Windows-file workloads | Best when projects stay inside the Linux filesystem |
| Windows filesystem access | Often faster for some workloads | Cross-filesystem access can be slower |
| Containers | Not the normal choice | Preferred backend |
| New installations | Usually not recommended | Recommended default |
Workload and file location determine real performance; Microsoft’s comparison is more reliable than blanket claims that one version is always faster: WSL 1 and WSL 2 comparison.
Check prerequisites before installing
- Windows 11 supports the one-command installation path. The same command supports Windows 10 version 2004 (build 19041) or later.
- WSL 2 requires hardware virtualization. Intel VT-x or AMD-V/SVM must be enabled in UEFI/BIOS.
- You need administrator access to enable Windows components. Corporate policies may block optional features, virtualization, Store access or distribution installation.
- Windows 11 Home can run WSL 2; edition restrictions are more relevant to some Docker Desktop and Windows-container scenarios.
Check your versions and WSL package with:
winver
systeminfo
wsl --version
wsl --statusOutput varies by Windows and WSL package version. If the version command is unavailable or old, update WSL with wsl --update. WSL itself has no single universal RAM minimum in Microsoft’s installation documentation. Docker Desktop separately lists an 8 GB RAM requirement, a 64-bit processor with SLAT and virtualization: Docker Windows requirements.
Install WSL 2 and Ubuntu
- Open an elevated terminal. Start Windows Terminal, PowerShell or Command Prompt as administrator.
- Install WSL and the default distribution.
wsl --installThis enables required components, installs the current WSL kernel, sets WSL 2 as the default and normally installs Ubuntu. Restart Windows if prompted.
- Choose a distribution deliberately, if needed.
wsl --list --online wsl --install -d UbuntuUse a name exactly as returned by
wsl --list --online. Available choices change over time and can include Debian, Kali, openSUSE, Fedora and Alpine. - Complete first launch. Open Ubuntu from Start. Create a Linux username and password. They are independent of your Windows login, and Linux does not display password characters while you type.
- Update Ubuntu.
sudo apt update sudo apt full-upgrade -ysudoasks for the Linux password created during setup. - Create a Linux-side workspace.
mkdir -p ~/projects cd ~/projects - Verify both sides. From PowerShell run:
wsl --status
wsl --list --verboseUbuntu should show version 2. Inside Ubuntu, confirm the distribution with:
uname -a
cat /etc/os-releaseEssential WSL commands
| Task | Command |
|---|---|
| Start the default distribution | wsl |
| Start a named distribution | wsl -d Ubuntu |
| List installed distributions | wsl --list |
| List distributions and versions | wsl --list --verbose |
| List available distributions | wsl --list --online |
| Shut down all WSL instances | wsl --shutdown |
| Terminate one distribution | wsl --terminate Ubuntu |
| Set the default distribution | wsl --set-default Ubuntu |
| Set the default WSL version | wsl --set-default-version 2 |
| Export a backup | wsl --export Ubuntu ubuntu-backup.tar |
| Import a distribution | wsl --import <Name> <InstallLocation> <File> --version 2 |
| Run Linux from PowerShell | wsl ls -la |
| Open the current Linux directory in Explorer | explorer.exe . |
| Open it in VS Code | code . |
Warning: wsl --unregister <Distro> permanently deletes that distribution’s filesystem. Export important data first. Full reference: Microsoft’s basic WSL commands.
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Use the right filesystem
Linux-heavy projects should normally live in the distribution, for example /home/<username>/projects. Linux tools, compilers and file watchers generally work best there. You can browse that location from Windows with explorer.exe . or a path such as \wsl$Ubuntuhome<username>project.
Windows drives are mounted under /mnt:
cd /mnt/c/Users/<WindowsUser>/DocumentsKeep projects intended primarily for Windows tools on the Windows filesystem. Repeatedly crossing between /mnt/c and the Linux filesystem can slow builds and file watching and can expose permission or CRLF/LF line-ending issues. Avoid editing Linux-owned files with tools that do not understand Linux permissions, and do not use chmod 777 as a routine fix. See Microsoft’s WSL development-environment guidance.
Connect Windows tools and Linux tools
Windows Terminal is a convenient host for PowerShell, Command Prompt and multiple WSL profiles. Install Git inside Ubuntu for Linux-side projects and decide whether each repository’s Git commands run in Windows or Linux; mixing credential helpers and line-ending policies casually creates confusing results.
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Install VS Code on Windows with its WSL extension, then open a Linux project:
code .The editor uses a remote server inside WSL, so terminals, extensions and language tools operate in the Linux environment.
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WSL interoperability works in both directions:
# PowerShell
wsl ls -la
wsl uname -a
# Ubuntu
notepad.exe .bashrc
ipconfig.exe
explorer.exe .
# Pipe a Windows command into Linux
ipconfig.exe | wsl grep IPv4Be explicit about which environment owns paths, variables and exit codes when writing scripts.
Configure services, resources and networking
Enable systemd when a service needs it
Services such as PostgreSQL, Redis or some Docker-related components may require systemd rather than assuming a traditional Linux boot. Edit the distribution configuration:
sudo nano /etc/wsl.confAdd:
[boot]
systemd=trueThen restart WSL from PowerShell and verify:
wsl --shutdownsystemctl list-units --type=serviceBehavior depends on your WSL and distribution versions. For a failed service, use systemctl status <service> and journalctl -u <service>. Documentation: systemd in WSL.
Control WSL 2 resources
WSL 2 dynamically manages its virtual machine. To impose user-wide limits, create %UserProfile%.wslconfig:
[wsl2]
memory=8GB
processors=4
swap=4GBApply changes with wsl --shutdown. Options vary by WSL version, and overly restrictive limits can break builds or databases. .wslconfig controls WSL 2 globally for your Windows user; /etc/wsl.conf configures one distribution. See WSL configuration.
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Understand networking
Linux applications can usually reach Windows and the internet, and Windows can often reach a WSL service through localhost. Exact behavior depends on Windows build, networking mode, firewall rules and whether the application binds to 127.0.0.1 or 0.0.0.0. Localhost access does not automatically make a service available to other devices on your LAN.
Test a simple server:
python3 -m http.server 8000Open http://localhost:8000 in Windows. If it fails, check the process, listening interface, port conflicts and Windows Firewall. Avoid hard-coding an obsolete WSL IP address. Details: WSL networking documentation.
Optional GUI and GPU workloads
Linux GUI applications
On supported Windows 11 and WSL installations, WSLg integrates compatible Linux GUI applications with the Windows desktop. For a modest test on Ubuntu:
sudo apt update
sudo apt install -y gedit
geditCompatibility, graphics drivers and package availability vary; WSLg is not a guarantee that every Linux desktop application or hardware integration will work.
GPU acceleration
GPU workloads require compatible hardware, a current Windows driver supporting WSL virtualization, an up-to-date WSL kernel and application-specific configuration. For NVIDIA workloads, follow the vendor and framework instructions rather than installing a conventional Linux GPU driver blindly inside WSL. Docker’s requirements are documented at Docker GPU support; Ubuntu’s CUDA guidance is at Ubuntu CUDA on WSL. Performance and supported APIs depend on the vendor, driver and workload.
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Use Docker with WSL 2
WSL 2 supplies the Linux environment; it does not install Docker. Docker Desktop is a separate product and the easiest supported route for many Windows developers.
- Verify WSL 2 and your distribution.
- Install Docker Desktop and select the WSL 2 backend. Its current Windows documentation lists WSL 2.1.5 or later, supported Windows builds and editions, 8 GB RAM, SLAT and firmware virtualization among requirements.
- In Docker Desktop, enable WSL integration for the distribution you use.
- Test inside Ubuntu:
docker run hello-worldDo not install a second Docker daemon inside Ubuntu without understanding the maintenance and socket conflicts. Docker Desktop’s commercial terms matter: its documentation describes free use for personal use, education, non-commercial open source and qualifying small businesses (fewer than 250 employees and under US$10 million annual revenue), with paid subscriptions for larger commercial organizations and government entities. See Docker installation and licensing details and WSL integration.
Troubleshoot common failures
wsl --install shows help instead of installing
WSL may already be partly installed or the command may not be following the first-install path. List distributions and install explicitly:
wsl --list --online
wsl --install -d UbuntuInstallation remains at 0%
Use the web-download recovery option:
wsl --install --web-download -d UbuntuVirtualization or WSL 2 errors appear
- Check virtualization status in Task Manager or
systeminfo. - Enable Intel VT-x or AMD-V/SVM in UEFI/BIOS.
- Confirm enterprise policy has not disabled virtualization or Virtual Machine Platform.
- Restart Windows and retry.
A distribution is still WSL 1
wsl --set-version Ubuntu 2
wsl --list --verboseConversion can take time; do not interrupt it.
WSL is stuck or will not restart
wsl --shutdown
wsl --update
wsl --list --verboseRelaunch the distribution. If it persists, consult Microsoft’s troubleshooting guide before unregistering anything.
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Move Linux-managed code from /mnt/c/Users/<name> into /home/<name>. For networking, verify the service, interface, port, firewall and selected WSL networking mode.
Data was deleted accidentally
wsl --unregister Ubuntu deletes the distribution and its files. Export before risky maintenance:
wsl --export Ubuntu ubuntu-backup.tarWhen WSL is the wrong tool
| Need | Better choice | Why |
|---|---|---|
| Linux CLI tools while keeping Windows applications | WSL 2 | Integrated, no reboot and strong development workflow |
| Maximum Linux hardware access or a full Linux desktop | Native Linux or dual boot | Closest to complete Linux behavior |
| Snapshots, isolated virtual hardware and server-like testing | Full VM (Hyper-V, VMware or VirtualBox) | More explicit isolation and configurable networking |
| Containers only | Docker Desktop or another container platform | Focused container workflow rather than general Linux administration |
| Blocked local hardware or policy | Cloud development environment | Avoids local virtualization, but adds latency, recurring cost and governance concerns |
WSL is a poor fit for production-identical server behavior, specialized direct hardware access, predictable boot-time infrastructure testing, prohibited virtualization environments or workloads that cannot move Linux projects off the Windows filesystem.
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