centos ctrl+c不起作用

Question

正常在终端ctrl+c是终止进程，现在遇到个奇怪的问题
能取消ping,但是tail不行，求大神帮忙！

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[root@LAMP ~]# ping www.baidu.com
PING www.a.shifen.com (61.135.169.121) 56(84) bytes of data.
64 bytes from 61.135.169.121 (61.135.169.121): icmp_seq=1 ttl=57 time=6.40 ms
64 bytes from 61.135.169.121 (61.135.169.121): icmp_seq=2 ttl=57 time=4.61 ms
^C
--- www.a.shifen.com ping statistics ---
2 packets transmitted, 2 received, 0% packet loss, time 1002ms
rtt min/avg/max/mdev = 4.613/5.508/6.403/0.895 ms
[root@LAMP ~]# tail -f /data/logs/blog_access.log 
^C^C^C^C^C

Answer 1

可以折中一下:(ctrl + z)(挂起);然后找到pid,kill之