tldr/pages/common/pkill.md

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# pkill
> Signal process by name.
> Mostly used for stopping processes.
> More information: <https://www.manned.org/pkill>.
- Kill all processes which match:
`pkill "{{process_name}}"`
- Kill all processes which match their full command instead of just the process name:
`pkill -f "{{command_name}}"`
- Force kill matching processes (can't be blocked):
`pkill -9 "{{process_name}}"`
- Send SIGUSR1 signal to processes which match:
`pkill -USR1 "{{process_name}}"`
- Kill the main `firefox` process to close the browser:
`pkill --oldest "{{firefox}}"`