Complete Git Guide: Understand and Master Git and GitHub - Garbage Collection

The video tutorial explains Git's garbage collection process, which is an automatic operation that cleans up repositories by deleting unreachable objects and old references. It also covers how to manually run garbage collection from the terminal, undo changes using Visual Studio Code or GitHub Desktop, and explore Git objects and pack files. The tutorial demonstrates executing garbage collection, compressing objects, and verifying the results, highlighting the creation of new pack and index files.

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