Linux注销用户、注销意外被断开用户的方法

[root@kiccleaf ~]# who
root pts/1 2014-06-04 12:07 (27.115.*.*)
root pts/2 2014-06-04 13:31 (58.247.*.*)
root pts/3 2014-06-04 13:42 (58.246.*.*)
root pts/4 2014-06-04 13:56 (140.207.*.*)
root pts/5 2014-06-04 14:01 (140.207.*.*)
#结束掉一些登录的用户
[root@kiccleaf ~]# pkill -kill -t pts/1