--- /dev/null
+[Unit]
+Description=Firebird Database Server ( Classic )
+After=local-fs.target
+
+[Service]
+User=firebird
+Group=firebird
+ExecStart=/usr/lib/interbase/bin/firebird -el /var/lib/firebird
+StandardInput=socket
+StandardError=syslog
+
+[Install]
+Also=firebird-classic.socket