{"name":"WSL_INTEROP","slug":"wsl-interop","family":"env","title":"Environment variables","noun":"environment variable","description":"On Linux, Claude Code's environment detection reports the platform as `wsl` when `WSL_DISTRO_NAME` or `WSL_INTEROP` is non-empty; with neither set, it decides from the kernel version string.","description_source":"code","described_by":{"bundle":"2.1.286","author":"claude-opus-5-5"},"presence":{"first_seen":"2.1.157","removed_in":null,"in_current_build":true,"newest_mined":"2.1.308","builds":132,"mined_builds":149,"first_cited":null},"aliases":[],"entries":[],"entries_total":0,"docs":[],"docs_total":0,"gates":[],"related":[{"name":"WSL_DISTRO_NAME","slug":"wsl-distro-name","description":"Claude Code no longer always treats `WSL_DISTRO_NAME` being set as proof it runs under WSL, and can fall back to checking the system"}],"url":"https:\/\/changelogs.core-directive.com\/reference\/env\/wsl-interop","family_url":"https:\/\/changelogs.core-directive.com\/reference\/env.json"}