Add more method info with examples

Author: tbrowder

doc/Language/io.pod6

@@ -177,6 +177,18 @@ the file test method C<f>:
 say "testfile".IO.f;  # OUTPUT: «True␤»
 say "lib".IO.f;       # OUTPUT: «False␤»
 
+There are other methods that can be used to query a file or directory, some useful ones are:
+
+=begin code :skip-test
+my $f = "fileA";
+
+say $f.modified; # return instant of file (or directory) change
+say $f.accessed; # return last time file (or directory) was read
+say $f.s;        # return size of file (or directory inode) in bytes
+=end code
+
+See more methods and details at <L<IO::Path|/type/IO::Path>.
+
 =head1 Getting a directory listing
 
 To list the contents of the current directory, use the C<dir> function. It