On Thu, Dec 12, 2013 at 9:40 AM, Gian Uberto Lauri <saint@eng.it> wrote: > Bob Proulx writes: >> >> Right. Because normal users can't change the system time. > > Sorry, wrong. With 'folk ALL=(ALL) ALL', user folk can run as root ANY > program including 'date -s'. Or at least 'sudo bash', and then live > happy with a shell executed with the root id. But "normal users" don't have "ALL=(ALL) ALL"...