Clean Untracked Files

Remove untracked junk safely.

A beginner Git challenge worth 3 points. Solve it hands-on in a real Git environment in your browser - no local setup, no fake shells.

The Challenge

Scenario: /tmp/repo has tracked keep.txt plus untracked temp files and a build/ dir.

Task: Remove ALL untracked files and directories (git clean -fd). Keep keep.txt.