linux注销用户

转载自：
http://hi.baidu.com/zhaoboh/blog/item/4c9a14d7c85b4dd8a044df44.html

[root@www ~]# w
22:30:49 up 13:43, 2 users, load average: 0.00, 0.00, 0.00
USER     TTY      FROM              LOGIN@   IDLE   JCPU   PCPU WHAT
root     pts/0    218.28.46.146    22:29   12.00s 0.03s 0.03s -bash
root     pts/1    218.28.46.146    22:30    0.00s 0.02s 0.00s w
[root@www ~]# ps -e
PID TTY          TIME CMD
    1 ?        00:00:00 init
    2 ?        00:00:00 migration/0
    3 ?        00:00:00 ksoftirqd/0
    4 ?        00:00:00 events/0
    5 ?        00:00:00 khelper
    6 ?        00:00:00 kacpid
   17 ?        00:00:00 kblockd/0
   18 ?        00:00:00 khubd
   35 ?        00:00:00 pdflush
   36 ?        00:00:00 pdflush
   37 ?        00:00:00 kswapd0
   38 ?        00:00:00 aio/0
184 ?        00:00:00 kseriod
422 ?        00:00:00 scsi_eh_0
436 ?        00:00:00 ata/0
437 ?        00:00:00 ata_aux
445 ?        00:00:00 kjournald
1672 ?        00:00:00 udevd
1730 ?        00:00:00 kauditd
1835 ?        00:00:00 kjournald
2469 ?        00:00:00 syslogd
2473 ?        00:00:00 klogd
2494 ?        00:00:00 portmap
2514 ?        00:00:00 rpc.statd
2543 ?        00:00:00 rpc.idmapd
2597 ?        00:00:00 vmmemctl
2632 ?        00:00:39 vmware-guestd
2743 ?        00:00:00 acpid
2755 ?        00:00:00 cupsd
2814 ?        00:00:00 sshd
2852 ?        00:00:00 xinetd
2862 ?        00:00:00 vsftpd
2924 ?        00:00:00 mysqld_safe
2954 ?        00:00:00 mysqld
2990 ?        00:00:00 sendmail
3000 ?        00:00:00 sendmail
3011 ?        00:00:00 gpm
3022 ?        00:00:00 httpd
3051 ?        00:00:00 htt
3052 ?        00:00:00 htt_server
3062 ?        00:00:00 crond
3080 ?        00:00:00 httpd
3081 ?        00:00:00 httpd
3082 ?        00:00:00 httpd
3083 ?        00:00:00 httpd
3084 ?        00:00:00 httpd
3085 ?        00:00:00 httpd
3086 ?        00:00:00 httpd
3087 ?        00:00:00 httpd
3095 ?        00:00:00 xfs
3114 ?        00:00:00 atd
3124 ?        00:00:00 dbus-daemon-1
3138 ?        00:00:00 cups-config-dae
3149 ?        00:00:01 hald
3186 ?        00:00:00 miniserv.pl
3192 tty1     00:00:00 mingetty
3193 tty2     00:00:00 mingetty
3194 tty3     00:00:00 mingetty
3195 tty4     00:00:00 mingetty
3196 tty5     00:00:00 mingetty
3197 tty6     00:00:00 mingetty
25741 ?        00:00:00 sshd
25743 pts/0    00:00:00 bash
25849 ?        00:00:00 sshd
25851 pts/1    00:00:00 bash
25882 pts/1    00:00:00 ps
[root@www ~]# kill -9 25849