<div dir="ltr"><div style="font-family:arial,sans-serif;font-size:14px"> Thank you for your friendly answer.</div><div style="font-family:arial,sans-serif;font-size:14px"> </div><div style="font-family:arial,sans-serif;font-size:14px">
 After I recevied your mail, I have aimed to complete to make server-client model.</div><div style="font-family:arial,sans-serif;font-size:14px"> </div><div style="font-family:arial,sans-serif;font-size:14px"> In my view, I didn't still know how to use a service option in service configuration file.</div>
<div style="font-family:arial,sans-serif;font-size:14px"> </div><div style="font-family:arial,sans-serif;font-size:14px"> The seceario I want to make is like this:</div><div style="font-family:arial,sans-serif;font-size:14px">
 </div><div style="font-family:arial,sans-serif;font-size:14px"> </div><div style="font-family:arial,sans-serif;font-size:14px">  <em>A..service is a server program and <strong>it should be remained continuously.</strong></em></div>
<div style="font-family:arial,sans-serif;font-size:14px"> </div><div style="font-family:arial,sans-serif;font-size:14px"> <em>And B.service as a client program can access to A.service which has been living in systemd.</em></div>
<div style="font-family:arial,sans-serif;font-size:14px"> </div><div style="font-family:arial,sans-serif;font-size:14px"> </div><div style="font-family:arial,sans-serif;font-size:14px"> </div><div style="font-family:arial,sans-serif;font-size:14px">
In this case, What should I use options  each service which I said.</div><div style="font-family:arial,sans-serif;font-size:14px"> </div><div style="font-family:arial,sans-serif;font-size:14px"> </div><div style="font-family:arial,sans-serif;font-size:14px">
Thanks.</div><div style="font-family:arial,sans-serif;font-size:14px"> </div></div>