Hi,

crude attempt at documenting -n in netstart, the wording can probably be
improved.

Landry

Index: netstart.8
===================================================================
RCS file: /cvs/src/share/man/man8/netstart.8,v
retrieving revision 1.21
diff -u -r1.21 netstart.8
--- netstart.8  5 Sep 2016 12:58:17 -0000       1.21
+++ netstart.8  2 Mar 2018 11:05:24 -0000
@@ -33,6 +33,7 @@
 .Nd command script for network startup
 .Sh SYNOPSIS
 .Nm /etc/netstart
+.Op Fl n
 .Op Ar interface ...
 .Sh DESCRIPTION
 .Nm
@@ -49,6 +50,17 @@
 extent by variables defined in
 .Xr rc.conf 8 ,
 which specifies which daemons and services are to be run.
+.Pp
+If
+option
+.Fl n
+is used
+.Po
+along an interface argument
+.Pc ,
+.Nm
+will print the commands that it would run to configure the given
+interface.
 .Pp
 During the system boot,
 .Nm

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