pgrep -l zabbix | wc -l
exemple :
root@vpalodev1:/exploit/scripts# pgrep -l zabbix
14492 zabbix_agentd
14494 zabbix_agentd
14496 zabbix_agentd
14497 zabbix_agentd
14498 zabbix_agentd
14499 zabbix_agentd
root@vpalodev1:/exploit/scripts# pgrep -l zabbix | wc -l
6
root@vpalodev1:/exploit/scripts#