Taskkill.exe is very great tool which come in handy when you wanted to kill or terminate a process on the remote computer or local computer. You would do easily in the local computer and if you wanted to so the same in remote computer then you would wanted some easy option. you dont have to know the exact process Id or the Process name. Even you can use Wild card to find the process and kill it.

Below is the example to kill process running on the remote computer and you also force to terminate it.

taskkill /s <servername> /f /im Processname*

Below link has detail instruciton on how to use Taskkill.exe with various options

http://www.microsoft.com/resources/documentation/windows/xp/all/proddocs/en-us/taskkill.mspx