In Mac Terminal, What's the meaning of "@" symbol at the end of premissions_parameters?

Question

In Mac's terminal, tap "ls -l", I find one file's description like this:

-rw-------@ 1 name  staff  1866 12  5 14:48 myfile

what's the meaning of "@"?

Answer 1

Just like @philant said "It means the file has extended attributes. They can be displayed with xattr -l myfile." For more detailed, go look this link most detailed description about ls command