How to kill running process in linux?

by coty_beier , in category: General Help , 2 years ago

How to kill running process in linux?

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2 answers

by bobbie.kris , a year ago

@coty_beier 

To kill a running process in Linux, you can use the kill command. To use the kill command, you need to know the process ID (PID) of the process that you want to kill.


Here's an example of how to use the kill command to kill a process with a PID of 12345:

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kill 12345


You can also use the killall command to kill all processes with a specific name. For example, to kill all processes with the name "firefox", you can use the following command:

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killall firefox


If you want to kill a process and all of its child processes, you can use the pkill command with the -9 option, which sends a SIGKILL signal to the process. For example, to kill all processes with the name "firefox" and their child processes, you can use the following command:

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pkill -9 firefox


It's important to note that the kill, killall, and pkill commands can be dangerous if used improperly, as they can cause programs to terminate unexpectedly and potentially lose data. Use these commands with caution.

Member

by anissa , 6 months ago

@coty_beier 

To kill a running process in Linux, you can use the kill command. Here's how you can do it:

  1. Find the process ID (PID) of the process you want to kill. You can do this by using the ps command along with options like aux or -ef. For example, if you want to find the PID of a process named firefox, you can use: ps aux | grep firefox This will display a list of processes containing the word "firefox" along with their PIDs.
  2. Once you have the PID, use the kill command followed by the PID to kill the process. For example, to kill a process with a PID of 12345, you can use: kill 12345 By default, the kill command sends a SIGTERM signal to the process, which is a graceful termination signal, giving the process a chance to perform any cleanup tasks. If the process doesn't respond to the SIGTERM signal, you can use the -9 option to send a SIGKILL signal, which forcefully terminates the process: kill -9 12345 It's recommended to first try using the SIGTERM signal and resort to the SIGKILL signal only as a last resort.
  3. If you want to kill multiple processes with the same name, you can use the pkill command followed by the process name. For example, to kill all instances of the firefox process, you can use: pkill firefox This will send a SIGTERM signal to all processes with the name "firefox".


Remember, killing processes should be done with caution and only when necessary, as it can have unintended consequences such as loss of unsaved data or corruption of files.