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How can you use the "taskkill" command to stop processes?

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Sometimes, you may need to stop a process that is running on your Windows system, either because it is not responding, consuming too much resources, or interfering with another task. One way to do this is to use the "taskkill" command, which allows you to terminate a process by its name or ID. In this article, you will learn how to use the "taskkill" command to stop processes in different scenarios.

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Terminate by process name:

Use the "taskkill /IM processname" command to stop a process by its name. This method is effective for quickly ending applications like notepad.exe that you can identify easily.### *Force termination with filter:Apply "taskkill /F /FI" to forcefully stop processes based on specific criteria, such as memory usage or status. This approach is useful when dealing with unresponsive tasks consuming excessive resources

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Danny Styles
Chibuzo Arukwe

Cyber Security (Engineering |…

1 What is a process?

A process is an instance of a program that is executing on your system. Each process has a unique identifier, called a process ID (PID), that is assigned by the operating system. You can view the processes that are running on your system by using the Task Manager, which shows the name, PID, status, and resource usage of each process. You can also use the "tasklist" command to display the same information in the command prompt.

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2 How to use the "taskkill" command?

The "taskkill" command is a Windows administration tool that allows you to terminate one or more processes by specifying their name or PID. The basic syntax of the "taskkill" command is: taskkill /parameter value The parameter can be either /IM or /PID, followed by the name or ID of the process. For example, if you want to stop the process named notepad.exe, you can use the command: taskkill /IM notepad.exe If you want to stop the process with the PID 1234, you can use the command: taskkill /PID 1234 You can also use the wildcard character (*) to match multiple processes with the same name or prefix. For example, if you want to stop all the processes that start with chrome, you can use the command: taskkill /IM chrome*

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Danny Styles
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To kill a process using Taskkill, first identify its name or PID (Process ID). Type tasklist to see all running processes with their PIDs and memory usage. To end a task, use taskkill /IM “NAME” /F, replacing NAME with the process name. The /F flag forces termination. For PID, use taskkill /IM PID /F, where PID is its numeric value. This achieves the same result. Taskkill offers filters like STATUS (RUNNING, NOT RESPONDING, UNKNOWN), IMAGENAME (name from tasklist), PID (numeric ID), SESSION (session number), CPUTIME (CPU usage time in hours:minutes:seconds), MEMUSAGE (memory in KB), USERNAME (originating user account), MODULES (DLL used by the process), SERVICES (name of associated Windows service), and WINDOWTITLE (process window title).

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Manju Saini

Selenium , API Testing, Swagger Testing With C#, BBD Framework, ManualTesting,Java Automation ,
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To stop a Chrome browser instance, use the following command without opening the Task Manager. while designing the framework. We did not add the 'quit browser' method, which has caused problems during the build process. taskkill /f /im chromedriver.exe

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3 How to force a process to stop?

Sometimes, a process may not stop gracefully when you use the "taskkill" command, either because it is in a hung state, or because it has a child process that is still running. In such cases, you can use the /F parameter to force the process to stop. For example, if you want to force the process named notepad.exe to stop, you can use the command: taskkill /F /IM notepad.exe The /F parameter will terminate the process and any child processes that it has spawned.

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Chibuzo Arukwe

Cyber Security (Engineering | Assurance) | SIEM | SOAR | CEH | ECSA | Security + | CHFI | Pen Tester | Cyber defence | EC-Council Cyber Security Career Mentor
(已编辑)
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Sometimes the task kill command might not work for various reasons, if you are having trouble killing a process using taskkill, you can try using a different tool, such as PsKill or Process Hacker. These tools are more powerful than taskkill and can kill processes that are running as system processes or with elevated privileges.

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4 How to stop a process on a remote computer?

You can also use the "taskkill" command to stop a process on a remote computer, as long as you have the administrative privileges and access to that computer. To do this, you need to use the /S and /U parameters, followed by the name and credentials of the remote computer. For example, if you want to stop the process named notepad.exe on a remote computer named PC1, using the username admin and the password 1234, you can use the command: taskkill /S PC1 /U admin /P 1234 /IM notepad.exe The /S parameter specifies the name or IP address of the remote computer, the /U parameter specifies the username, and the /P parameter specifies the password. You can also use the /F parameter to force the process to stop on the remote computer.

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5 How to filter the processes to stop?

The /FI parameter in the taskkill command can be used to filter processes to stop based on criteria such as status, session, memory usage, or window title. You can use multiple filters to narrow down the results. For example, if you want to stop all processes that are not responding and with memory usage greater than 100 MB, you can use this command: taskkill /FI "STATUS eq NOT RESPONDING" /FI "MEMUSAGE gt 100" /F . The /FI parameter supports filter names such as STATUS, IMAGENAME, PID, SESSION, CPUTIME, MEMUSAGE, USERNAME, SERVICES, WINDOWTITLE and MODULES. Operators such as eq (equal to), ne (not equal to), gt (greater than), lt (less than), ge (greater than or equal to) and le (less than or equal to) can be used to compare filter values. Reporting and documenting the incident will help you inform and reassure the stakeholders, as well as provide valuable insights for improving your cloud security posture.

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6 Here’s what else to consider

This is a space to share examples, stories, or insights that don’t fit into any of the previous sections. What else would you like to add?

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How can you use the "taskkill" command to stop processes?

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4

5

6

1 What is a process?

2 How to use the "taskkill" command?

3 How to force a process to stop?

4 How to stop a process on a remote computer?

5 How to filter the processes to stop?

6 Here’s what else to consider

Operating Systems

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How can you use the "taskkill" command to stop processes?

1

2

3

4

5

6

1 What is a process?

2 How to use the "taskkill" command?

3 How to force a process to stop?

4 How to stop a process on a remote computer?

5 How to filter the processes to stop?

6 Here’s what else to consider

Operating Systems

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