\fIpidfile\fP on exit. Failiure to create or delete the\r
\fIpidfile\fP is non-fatal. If no \fB--pidfile\fP option\r
is given, no PID file will be used.\r
+.TP\r
+\fB --user\fP \fIuser\fP (unix only)\r
+After (optionally) writing the PID file, assume the user ID\r
+of \fIuser\fP. Exit if the privileges are not sufficient to\r
+do so.\r
\r
.PP\r
If the \fIconfig file\fP is not specified on the command line,\r