Kill Processes Through Commands
August 1st, 2009 | 
Author: 
I’m sure you are familiar with the traditional way to kill or end a process in Windows using Task Manager. This method is effective but not nearly as fun as killing a process in Command Prompt. Additionally, killing processes in Command Prompt provides much more control and the ability to end multiple processes at once.
All of this is possible with the TaskKill command. First, let’s cover the basics. You can kill a process by the process ID (PID) or by image name (EXE filename).
Open up an Administrative level Command Prompt and run tasklist to see all of the running processes:
Image Name PID Session Name Mem Usage
========================= ======== ================ ============
firefox.exe 26356 Console 139,352 K
regedit.exe 24244 Console 9,768 K
cmd.exe 18664 Console 2,380 K
conhost.exe 2528 Console 7,852 K
notepad.exe 17364 Console 7,892 K
notepad.exe 24696 Console 22,028 K
notepad.exe 25304 Console 5,852 K
explorer.exe 2864 Console 72,232 K
In the example above you can see the image name and the PID for each process. If you want to kill the firefox process run:
or
The /f flag is kills the process forcefully. Failure to use the /F flag will result in nothing happening in some cases. One example is whenever I want to kill the explorer.exe process I have to use the /F flag or else the process just does not terminate.
If you have multiple instances of an image open such as multiple firefox.exe processes, running the taskkill /IM firefox.exe command will kill all instances. When you specify the PID only the specific instane of firefox will be terminated.
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