信号 杀手三人组kill pkill killall

1,信号 杀手三人组

 #kill

 #pkill 慎用，容易模糊匹配进程误杀

#killall 

 kill命令发送信号

2,后台进程管理

[root@cat logs]# vim a.log

[1]+  Stopped                 vim a.log
[root@cat logs]# jobs
[1]+  Stopped                 vim a.log
[root@cat logs]# bg
[1]+ vim a.log &

[1]+  Stopped                 vim a.log
[root@cat logs]# kill %1

[1]+  Stopped                 vim a.log
[root@cat logs]# jobs
[1]+  Stopped                 vim a.log
[root@cat logs]# kill %1

[1]+  Stopped                 vim a.log
[root@cat logs]# jobs
[1]+  Stopped                 vim a.log
[root@cat logs]# ps -aux|grep vim
Warning: bad syntax, perhaps a bogus '-'? See /usr/share/doc/procps-3.2.8/FAQ
root      1619  0.0  0.0 139164  3384 ?        S    Apr09   0:00 vim /data/liexin_config/app.ini
root      2363  0.0  0.0 139256  4776 pts/0    T    20:00   0:00 vim a.log
root      2888  0.0  0.0 103340   876 pts/0    S+   20:01   0:00 grep vim
root     15312  0.0  0.0 139344  1684 ?        S     2021   0:00 vim db.ini
[root@cat logs]# kill 2363
[root@cat logs]# jobs
[1]+  Stopped                 vim a.log
[root@cat logs]# ps -aux|grep vim
Warning: bad syntax, perhaps a bogus '-'? See /usr/share/doc/procps-3.2.8/FAQ
root      1619  0.0  0.0 139164  3384 ?        S    Apr09   0:00 vim /data/liexin_config/app.ini
root      2363  0.0  0.0 139256  4776 pts/0    T    20:00   0:00 vim a.log
root      2907  0.0  0.0 103340   880 pts/0    S+   20:01   0:00 grep vim
root     15312  0.0  0.0 139344  1684 ?        S     2021   0:00 vim db.ini
[root@cat logs]# kill -9 2363
[root@cat logs]# jobs
[1]+  已杀死               vim a.log
[root@cat logs]# jobs      

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