Close a running application from DOS command line. Taskkill is correct. But you must kill the process playing the file, not the file itself. Figuring out the registered handler for mp. If you know it then you can kill that process. Use-MS-DOS-Step-7Bullet4.jpg/v4-728px-Use-MS-DOS-Step-7Bullet4.jpg' alt='Dos Open Command File' title='Dos Open Command File' />Heres a script that figures out the registered application for mp. HKEYCLASSESROOTmp. F skip4 delims tokens2 usebackq e in type tempfile do call 0 e. A offset 1. set cmdset teststringhandler offset. A offsetoffset 1. A offsetoffset1. IM handler nul. On DOS commandline explorer ltPATH will open the file path with Windows default associated programs. This will also handle all URIs http,https,ftp and other. If you save this as killmp. Of course be aware that if the program was already running, doing something else, that it will be closed anyway. Note that this depends heavily on the entry in the registry to have the executable path inside double quotes. If you dont have that and there are spaces in the executable name, it will fail. You could generalize my technique to be able to pass in the file extension such as. A more generic solution that takes the name of the file you started and figures out the extension from it is theoretically possible but a lot more difficult. In the case of notepad you have to figure out what that is by searching the path for all executable files, etc. This might be simpler if you created an extremely short mp. Depending on the program, it might stop playing the current file and switch to the new one, which would end almost instantly and effectively stop playback. Additional information. How do I run a file from MSDOS How do I copy and paste in an MSDOS window Full listing of Windows command line and MSDOS commands. UNIX For DOS Users. The following table shows a comparison between DOS COMMAND. COM and MSWindows NT CMD. Minecraft Xbox 360 Torrent Italiano. EXE shell commands and the equivalent LinuxUnix or Bash. The start command can launch an application like notepad in a batch file like this start notepad start my love. But how do I close the running application from. Here is a good example on how to do a command if a file does or does not exist if exist Cmyprogramsyncdata. Now Exiting Exit if not exist C. DOS d s is a family of disk operating systems primarily consisting of MSDOS and a rebranded version under the name IBM PC DOS which were introduced in 1981.