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→Tutorial Reference Material
* [https://www.booleanworld.com/introduction-linux-file-permissions/ Introduction to File Permissions]<br><br>
File Permission Commands<br>
* [httphttps://man7ss64.orgcom/linux/man-pages/man1bash/chmod.1.html chmod]<br>
* [http://man7.org/linux/man-pages/man1/umask.1p.html umask]<br><br>
