kill

Send signals to processes.

$ kill

Mode

kill

killall

Signal

TERM

KILL

HUP

INT

STOP

CONT

USR1

USR2

PID

List signal names (-l)List with codes (-L)

Examples

# Terminate a process
kill 1234

# Force kill
kill -s KILL 1234

# Kill all nginx processes
killall nginx

# List available signals
kill -l

# Kill by user with confirmation
killall -i -u root sshd

# HUP a daemon
kill -s HUP 5678