What is the meaning of "chmod 666"?

command change attributes from a file/folder: means that all users can read and write but cannot execute the file/folder; allows all actions for all users; allows only user (owner) to do all actions; group and other users are allowed only to read. Alternatively, you can execute the command with a more intuitive syntax, without needing to think in binary or octal (but the knowledge of numeric syntax is so important): Remember that the permission changes with command requires at least 3 arguments…