The grep -color=auto -i nautilus is just the grep command running for nautilus search. As you can see, Nautilus was no longer running after it was killed. ![]() Here's an example where I terminate a running instance of the Nautilus file manager. Once you have the PID of the desired application, use the following command to kill the process immediately: sudo kill -9 process_id Just ignore the line with “–color =auto”. ![]() The output of the command will be like this:Īs shown in the picture above, you can get the process ID of the program/process in the second column. And the grep afterward shows the line which matches the program name. The ps aux command returns all the running processes on the system. ps aux | grep -i “name of your desired program” You can use the grep command with the program name (or whatever you remember about it). This ps command is used for seeing the running processes on the system. You can try the ps command if unaware of the exact program name. If the pidof command doesn’t result in anything, it could mean either there is no process running of that program or the program name you used is incorrect. The good thing about this command is that it will give the PIDs of all the processes initiated by the program. You can take the help of the tab completion to find the program's name. If you know the name of the process, you can use the command pidof in this fashion: pidof program_name There are several ways for finding the PID of a process. The following section tells you how to find the process ID of a program. To kill a process, you must know its process ID (PID). Method 1: Terminate a process using the kill command Using task managers in Linux desktop to terminate a running process.Using the top command to find and kill a process.Finding the PID and killing a running process in the command line.In this tutorial, I'll show the following in detail: Using the top command, you can kill the process from there.ĭon't worry. ![]() You can use the ps command or top command if you do not know the exact process name. The main task here would be to find the process ID (PID). All you have to do is: sudo kill -9 process_ID In Linux, you can kill a process using the command line or GUI task managers. In Windows, you have the task manager for this situation. But you often need to ‘kill’ an unresponsive program. You can easily stop a program in Linux terminal by pressing the Ctrl+C keys.
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