chmod 777 is not changing the permissions to

chmod 777chmod is used to change the permissions of the actual file. When you execute chmod 777, you are allowing RWX (read, write, execute) access to owners, groups,Thus, 777 (111 111 111) is all permissions for everyone, while 700 (111 000 000) is all permissions only for the owner. Other combinations are also common: 666 (110 110 110) is