taskkill /?
TASKKILL [/S system [/U username [/P [password]]]] { [/FI filter] [/PID processid | /IM imagename] } [/T] [/F]
Description: This tool is used to terminate tasks by process id (PID) or image name.
Parameter List: /S system Specifies the remote system to connect to.
/U [domain\]user Specifies the user context under which the command should execute.
/P [password] Specifies the password for the given user context. Prompts for input if omitted.
/FI filter Applies a filter to select a set of tasks. Allows "*" to be used. ex. imagename eq acme*
/PID processid Specifies the PID of the process to be terminated. Use TaskList to get the PID.
/IM imagename Specifies the image name of the process to be terminated. Wildcard '*' can be used to specify all tasks or image names.
/T Terminates the specified process and any child processes which were started by it.
/F Specifies to forcefully terminate the process(es).
/? Displays this help message.
Filters: Filter Name Valid Operators Valid Value(s) ----------- --------------- ------------------------- STATUS eq, ne RUNNING | NOT RESPONDING | UNKNOWN IMAGENAME eq, ne Image name PID eq, ne, gt, lt, ge, le PID value SESSION eq, ne, gt, lt, ge, le Session number. CPUTIME eq, ne, gt, lt, ge, le CPU time in the format of hh:mm:ss. hh - hours, mm - minutes, ss - seconds MEMUSAGE eq, ne, gt, lt, ge, le Memory usage in KB USERNAME eq, ne User name in [domain\]user format MODULES eq, ne DLL name SERVICES eq, ne Service name WINDOWTITLE eq, ne Window title
NOTE ---- 1) Wildcard '*' for /IM switch is accepted only when a filter is applied. 2) Termination of remote processes will always be done forcefully (/F). 3) "WINDOWTITLE" and "STATUS" filters are not considered when a remote machine is specified.
Examples: TASKKILL /IM notepad.exe TASKKILL /PID 1230 /PID 1241 /PID 1253 /T TASKKILL /F /IM cmd.exe /T TASKKILL /F /FI "PID ge 1000" /FI "WINDOWTITLE ne untitle*" TASKKILL /F /FI "USERNAME eq NT AUTHORITY\SYSTEM" /IM notepad.exe TASKKILL /S system /U domain\username /FI "USERNAME ne NT*" /IM * TASKKILL /S system /U username /P password /FI "IMAGENAME eq note*"
C:\Users\Administrator>qwinsta SESSIONNAME USERNAME ID STATE TYPE DEVICE services 0 Disc >console Administrator 1 Active
C:\Users\Administrator>qwinsta /? Display information about Remote Desktop Services sessions.
QUERY SESSION [sessionname | username | sessionid] [/SERVER:servername] [/MODE] [/FLOW] [/CONNECT] [/COUNTER] [/VM]
sessionname Identifies the session named sessionname. username Identifies the session with user username. sessionid Identifies the session with ID sessionid. /SERVER:servername The server to be queried (default is current). /MODE Display current line settings. /FLOW Display current flow control settings. /CONNECT Display current connect settings. /COUNTER Display current Remote Desktop Services counters information. /VM Display information about sessions within virtual machines.
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