pgrep

$ pgrep lighttpd
6045
			

pkill

$ sudo pkill lighttpd
			

kill TTY

[root@development ~]# w
 16:07:37 up 1 day,  6:23,  6 users,  load average: 0.00, 0.06, 0.26
USER     TTY      FROM              LOGIN@   IDLE   JCPU   PCPU WHAT
develope pts/0    192.168.3.33     16:01    5:45   0.01s  0.01s -bash
jeecen   pts/1    192.168.3.129    09:30    7:40   0.00s  0.00s -bash
jeson    pts/2    192.168.3.101    11:27   42:47   0.03s  0.03s -bash
develope pts/3    192.168.3.31     16:03    4:33   0.00s  0.00s -bash
root     pts/5    172.16.0.1       14:55    1:03m  0.01s  0.01s -bash
root     pts/6    172.16.0.1       15:47    0.00s  0.03s  0.00s w
[root@development ~]# pkill -kill -t pts/3
			

# pidof httpd
31935 21542 15010 15009 15008 15007 15006 15005 15004 15003 6068 6042 6041 6040 3284

# pidof -s httpd
31935