kill - Terminate Processes in Linux

From the Linux Essential Commands cheat sheet · Process Management · verified Jul 2026

kill - Terminate Processes

Send signals to processes to stop them

bash
# Kill by PID
kill 1234

# Force kill
kill -9 1234

# Kill by name
killall process_name
pkill process_name

# List signals
kill -l
✅ kill sends SIGTERM (graceful shutdown) by default
💡 -9 sends SIGKILL (force kill, no cleanup)
🔍 Use ps aux | grep to find process PIDs
⚡ killall affects all processes with that name
processeskillterminate

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