shell脚本判断进程是否运行

zzx@zzx120:~$

if ps aux | grep "python"|grep -v grep > /dev/null             #$?的值不同

then     echo "Running"

else     echo "Stopped"

fi

如何批量杀掉进程

ps -ef |grep java |grep -v grep |awk '{print $2}' |xargs kill -9