Added definitions of . and ..

[TaylorKT]

We added a text description of . and .. before using .. with cd

Closes #313.

[github-actions]

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🤖 This automated message can help you check the rendered files in your submission for clarity. If you have any questions, please feel free to open an issue in {sandpaper}.

If you have files that automatically render output (e.g. R Markdown), then you should check for the following:

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Rendered Changes

🔍 Inspect the changes: https://github.com/datacarpentry/shell-genomics/compare/md-outputs..md-outputs-PR-367

The following changes were observed in the rendered markdown documents:

 02-the-filesystem.md | 2 +-
 md5sum.txt           | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

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If you have source files that require output and figures to be generated (e.g. R Markdown), then it is important to make sure the generated figures and output are reproducible.

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⏱️ Updated at 2025-06-27 17:32:19 +0000

[ameynert]

Looks good to me!