DANGEROUS
kill -9
Forcefully terminate a process by its PID. Signal 9 (SIGKILL) cannot be caught or ignored.
Primary Syntax
$ kill -9 1234
#
Example Usage
kill -9 $(pgrep firefox)
killall -9 chrome#
Quick Tips
• Use man kill to read the full manual
• Add --help flag for quick options reference
• Combine with | less for paginated output
Submitted by: admin
Added: 2/9/2026