On Mon, Jan 15, 2001 at 06:18:28PM -0600, MHR wrote: > Unless something I installed modified it, my /var/log/wtmp was set to > 664. Is there a reason for this? Yes - you will notice that the group owner of the file is group "utmp" which has the write access... this means that for an application (e.g., xterm, screen) to be able to write to it, it only needs sgid utmp permissions instead of "the old way" of applying suid root perms.