Why is 777 assned to chmod to permit everything on a file?

chmod 777 If you are going for a console command it would be: chmod -R 777 store. The -R. chmod 777 is considered potentially dangerous because you are giving read, write and execute permission on a filedirectory to everyone.

digislot777, 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.