Example usage for taskkill.
taskkill /pid 1234 /ttaskkill command
End processes by ID or image name; forced termination may lose unsaved work.
Documented syntax
taskkill [/s <computer> [/u [<domain>\]<username> [/p [<password>]]]] {[/fi <filter>] [...] [/pid <processID> | /im <imagename>]} [/f] [/t]The linked Microsoft Learn article is the upstream authority. Availability may depend on Windows release, role, optional feature or interactive tool context.
Examples
Parameters, options and clauses
| Option / clause | Description |
|---|---|
/pid <id> | Target a process by process ID. |
/im <name> | Target a process by image name. |
/f | Force termination; unsaved work may be lost. |
/t | End the target and its child processes. |
/fi <filter> | Restrict targets using a filter. |
--- | Microsoft documents this switch; use the linked reference for accepted values, effects and version limits. |
/s <computer> | Microsoft documents this switch; use the linked reference for accepted values, effects and version limits. |
/u <domain><username> | Microsoft documents this switch; use the linked reference for accepted values, effects and version limits. |
/p <password> | Microsoft documents this switch; use the linked reference for accepted values, effects and version limits. |
/pid <processID> | Microsoft documents this switch; use the linked reference for accepted values, effects and version limits. |
/s | Microsoft documents this switch; use the linked reference for accepted values, effects and version limits. |
<computer> | Microsoft documents this argument or subcommand; check the linked reference for its required format and context. |
/u | Microsoft documents this switch; use the linked reference for accepted values, effects and version limits. |
<domain> | Microsoft documents this argument or subcommand; check the linked reference for its required format and context. |
<username> | Microsoft documents this argument or subcommand; check the linked reference for its required format and context. |
/p | Microsoft documents this switch; use the linked reference for accepted values, effects and version limits. |
<password> | Microsoft documents this argument or subcommand; check the linked reference for its required format and context. |
<processID> | Microsoft documents this argument or subcommand; check the linked reference for its required format and context. |
<imagename> | Microsoft documents this argument or subcommand; check the linked reference for its required format and context. |
Review a command and its target before running it. Commands that alter files, services, accounts, disks, permissions or databases may be difficult to reverse. Test in a safe environment and keep backups.