Unverified50% confidenceFactExact time
WSL1 implements the lxss.sys and lxcore.sys kernel drivers in the Windows NT kernel, translating approximately 300+ Linux system calls into NT kernel operations; WSL2 later switched to a full virtual machine approach due to maintenance costs and compatibility issues.
1
Sources
50%
Confidence
Long-term
Relevance
9/11/2026
First Seen
Sources
Related Entities
Related Claims
VerifiedWSL 1 uses a system call translation mechanism that converts Linux system calls into Windows NT kernel calls in real time, with a clear upper limit on compatibility.78% similarVerifiedWSL是微软在2016年随Windows 10周年更新推出的兼容层，WSL1基于Pico进程机制翻译Linux系统调用，WSL2引入完整Linux内核虚拟机75% similarVerifiedWSL 2, compared to WSL 1, uses a real Linux kernel (implemented via a lightweight virtual machine), resulting in significantly improved file I/O performance.72% similarUnverifiedWSL2的每个Linux发行版以ext4格式的虚拟硬盘文件（.vhdx）存储在Windows文件系统中，默认路径位于C盘的%LOCALAPPDATA%\Packages目录下72% similarUnverifiedWSL 2于2019年随Windows 10 2004版本发布，采用Hyper-V托管虚拟机方案运行微软定制的msft-kernel，实现100%系统调用兼容性68% similar
Cite This Claim
Stable URI
https://kongchang.com/claim/895630API
curl https://kongchang.com/api/v1/knowledge/claims/895630MCP
get_claim(id=895630)