8:33pm kyle:/usr/local/stats # chmod 555 /usr/bin/uptime
8:33pm kyle:/usr/local/stats # ll /usr/bin/who /usr/bin/w /usr/bin/uptime
-r-xr-xr-x  2 root  wheel    11K Jun 21  2006 /usr/bin/uptime*
-r-xr-xr-x  2 root  wheel    11K Jun 21  2006 /usr/bin/w*
-r-x------  1 root  wheel   7.3K Jun 21  2006 /usr/bin/who*
8:33pm kyle:/usr/local/stats # chmod 500 /usr/bin/w /usr/bin/who
8:33pm kyle:/usr/local/stats # ll /usr/bin/who /usr/bin/w /usr/bin/uptime
-r-x------  2 root  wheel    11K Jun 21  2006 /usr/bin/uptime*
-r-x------  2 root  wheel    11K Jun 21  2006 /usr/bin/w*
-r-x------  1 root  wheel   7.3K Jun 21  2006 /usr/bin/who*