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# kill -pid
 
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# ps -ef | grep httpd
 
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# kill -l PID
 
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# kill -TERM PPID
 
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# killall httpd
 
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# kill -HUP PID
 
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*¾øɱ kill -9 PID
 
ͬÒâµÄ kill -s SIGKILL
 
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