1. taskkill
The taskkill command kills a program or task by either the program name or process ID. The Taskkill command is one command I visit always everyday. You can kill a process by either using the command taskkill -im (image name) followed by the program title or command taskkill -pid followed by the process id.
taskkill -im excel.exe
taskkill -pid 34567
2. deltree
The taskkill command kills a program or task by either the program name
3. tasklist
The taskkill command kills a program or task by either the program name