root@bsd:~ # ps aux | grep ntp
root 887 0.0 0.2 10136 468 - Is Wed11PM 0:00.01 ntpd: [priv] (ntpd)
_ntp 889 0.0 0.2 10136 504 - I Wed11PM 0:00.71 ntpd: ntp engine (ntpd)
_ntp 891 0.0 0.1 10136 300 - I Wed11PM 0:00.00 ntpd: dns engine (ntpd)
root@bsd:~ # id _ntp
uid=123(_ntp) gid=123(_ntp) groups=123(_ntp)