chmod 777 is not changing the permissions to

chmod 777 I'm trying to change the permissions of temp_dir to 777. Why are these commands not accomplishing that? I'm using Linux by the way.. `chmod 777 `777 1. `chmod`Linux777

planetwin777, The chmod command modifies the mode bits and the extended access control lists (ACLs) of the specified files or directories. The mode can be defined.