[root@backend ~]# ps -u root
  PID TTY          TIME CMD
    1 ?        00:00:00 init
    2 ?        00:00:00 kthreadd/29964
    3 ?        00:00:00 khelper/29964
  133 ?        00:00:00 udevd
  476 ?        00:00:00 portreserve
  483 ?        00:00:00 rsyslogd
  510 ?        00:00:00 sshd
  518 ?        00:00:00 xinetd
  527 ?        00:00:00 saslauthd
  529 ?        00:00:00 saslauthd
  546 ?        00:00:00 sendmail
  565 ?        00:00:00 crond
  572 tty1     00:00:00 mingetty
  573 tty2     00:00:00 mingetty
  575 ?        00:00:00 sshd
  577 pts/0    00:00:00 bash
  621 pts/0    00:00:00 ps