Processes and how to kill them

process

ps

pid

• To find the pid of the process, do

  pidof processname
  

  or,

  ps aux | grep processname
  

• To kill process with pid

  kill pid
  

• To kill stubborn unresponsive process

    kill -9 pid
  

• To kill all processes with name

  killall processname 
  

  or

  killall -9 processname
  

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Example:

• Unmounting partitions in use: Find out which process is using it by lsof | grep /mountpoint Then kill it using

    killall/kill [-9] processname/pid