[http://man7.org/linux/man-pages/man1/chmod.1.html chmod]<br>

[http://ss64.com/vi.html vi]

|width="40%" |{{Admon/tip|Online Linux Command Review|The following links will allow you to practice Linux commands that you learned from ULI101:<ul> <li>Bash Shell Command-line Editing</li><li>Common Linux Commands</li><li>Using a Text Editor</li><li>Simple Bash Shell Scripting</li></ul>|