I get the following as the result of invoking ls on a file:
ls -l foobar
-rwxrwxr-x. 1 root root 9319 Mar 30 08:05 foobar
what does that dot at the very end of file permissions mean?
I mean the dot at the end of "-rwxrwxr-x."
and how can I make a file have that dot at the end of its permission by using chmod?