Worked on the IDM4s-2025/df-manipulation641 repository to enhance data management practices by refining Git configuration and version control workflows. Focused on repository hygiene, the developer implemented a feature that added the /DATA directory to the .gitignore file, ensuring that large datasets and temporary files are excluded from version tracking. This approach reduced repository bloat, maintained a cleaner commit history, and improved overall efficiency by decreasing clone times. The update was documented with a traceable commit, reflecting a disciplined approach to repository management. The work demonstrated practical application of Git configuration and version control skills to streamline collaborative development processes.