Changes

The chmod can use '''symbols''' to ''add'', ''remove'', and ''set'' <span style="font-family:courier;font-weight:bold;">rwx</span> permissions for the '''user''',<br>'''same group members''', and/or o'''ther group members''' for a directory or reqular file.

'''<span style="font-style:italic">Octal (Absolute) Method:</span>'''

[[Image:octal-permissions.png|thumb|right|150px|Using octal numbers to represent setting file permissions.]]