![]() With kill command, you must provide the id of a process (PID). You also need to know the details of the process you want to terminate. Read more about the difference between SIGKILL and SIGTERM. It is most likely that you'll be using signals 9 and 15. Signal Stop: Signal for stopping a process, but to be resumed at a later time. But this is the preferred way of terminating a process as it can release the resources when the process receives SIGTERM. Signal Terminate: Sent to the signal to request termination of process. ![]() Signal Kill: The signal that immediately quits a process, without allowing it to save its current state. Signal Interrupt: The signal sent to a process when a user terminates a process. Signal Hangup: Sent to a process when the terminal controlling it is closed. the process did not finish on its own, it is sent a terminal signal.īelow are the available termination signals: Signal When a process is terminated by the OS or by the user i.e. Such as what termination signals are available, how to find PID etc. There is also a killall command and I'll discuss both kill and killall commands in this article.īefore you start killing processes, you should know a few things. In the above syntax, signal refers to the kill signal you want to send for termination and PID refers to the ID of the process. If you know the process ID (PID), you can use the kill command like this: kill The term "killing a process" refers to stopping a process mid execution. However, if the process is not visible ( running in the background), you can use dedicated commands to 'kill it'. If the command/process is running in the foreground, you can use the Ctrl+C terminal shortcut. It is not that important, and you want to stop its execution. It has been an awesome day on your Linux system, and suddenly a process starts to slow down the whole computer.
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