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

chmod 777The chmod command allows users to change read and write permissions in Unix systems. This guide covers how to use chmod to view and modify these permission onYou almost never need 777 permissions on any type of file, and you absolutely never need 777 on a non-executable file. – skiphoppy Commented Apr 4, 2012 at 10:51