linux - Chmod 777 to a folder and all contents - Stack Overflow

chmod 777 chmod(string $filename , int $permissions ): bool Attempts to change the mode of the specified file to that given in permissions.. chmod 777 is considered potentially dangerous because you are giving read, write and execute permission on a filedirectory to everyone.

psk777, 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.