Type: format string
Default: "%N %F %2l %-8.8u %-8.8g %8s %d %f"
This variable allows you to customize the file browser display to your personal taste. This string is similar to $index_format, but has its own set of printf()-like sequences:
%d date/time folder was last modified
%f filename
%F file permissions
%g group name (or numeric gid, if missing)
%l number of hard links
%N N if folder has new mail, blank otherwise
%s size in bytes
%u owner name (or numeric uid, if missing)
%>X right justify the rest of the string and pad with character "X"
%|X pad to the end of the line with character "X"