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Linux常用命令-53：killall
source link: https://xugaoxiang.com/2022/06/15/linux-cmds-53-killall/
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killall 命令使用进程的名称来杀死进程，而且可以杀死一组同名进程。前一节我们介绍过命令 kill，它是通过进程号来杀死进程，如果要找到进程号，需要使用 ps 等命令再配合 grep 来查找，而 killall 则是把这一过程简单化了。
语法格式：killall [参数]
常用参数：
# 强制杀死所有的 nginx 进程
killall -9 nginxRecommend
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