<https://www.coursera.org/projects/practical-introduction-to-the-command-line#project>
<http://schema.org/description>
"このガイド付きプロジェクトは2時間以内に完了します。In this project, you will use the UNIX command line to create photo albums that organize photos into directories by date. You'll ..."
<https://ja.coursera.org/projects/practical-introduction-to-the-command-line>