pkill
Unix-like operating system command
pkill is a command-line utility initially written for use with the Solaris 7 operating system in 1998. It has since been reimplemented for Linux and some BSDs.
As with the kill and killall commands, pkill is used to send signals to processes. Wikipedia
Example: pkill -HUP syslogd
Function: Send a signal to process(es) selected by regex pattern
Syntax: pkill -signal -fIlnoqvx -G gid -g pgrp -P ppid -s sid -T rtable -t tty -U uid -u euid pattern ...