# service squid3 status
● squid3.service - LSB: Squid HTTP Proxy version 3.x
   Loaded: loaded (/etc/init.d/squid3)
   Active: active (running) since Fr 2015-11-13 17:46:57 CET; 1h 23min ago
  Process: 21645 ExecStop=/etc/init.d/squid3 stop (code=exited, status=0/SUCCESS)
  Process: 21731 ExecStart=/etc/init.d/squid3 start (code=exited, status=0/SUCCESS)
   CGroup: /system.slice/squid3.service
           ├─21764 /usr/sbin/squid3 -YC -f /etc/squid3/squid.conf
           ├─21766 (squid-1) -YC -f /etc/squid3/squid.conf
           ├─21767 (php) /sap/squid/block.php
           ├─21768 (php) /sap/squid/block.php
           ├─21769 (php) /sap/squid/block.php
           ├─21770 (php) /sap/squid/block.php
           ├─21771 (php) /sap/squid/block.php
           ├─21773 (unlinkd)
           ├─21778 (pinger)
           └─21788 (basic_ncsa_auth) /sap/squid/passwd

Nov 13 17:46:57 debian squid3[21731]: Starting Squid HTTP Proxy 3.x: squid3.
Nov 13 17:46:57 debian squid3[21764]: Squid Parent: will start 1 kids
Nov 13 17:46:57 debian squid3[21764]: Squid Parent: (squid-1) process 21766 started