To can see what someone logged in as root is running,
if root's shell uses .sh_history ( ksh, for example ) do:
# tail -f /.sh_history
This is good in multi-Sysadm environments when you want to
get an idea of what another admin is doing to fix something.
NOTE: All tips provided are USE AT YOUR OWN RISK. Tips are submitted
by various unix admins around the globe. UGU suggest you read and
test each tip in a non-volitile environment before placing into
production.