When creating swap file, set permission bits to ensure its safety.

Submitted by:	Howard Goldstein <hgoldste@bbs.mpcs.com>

FAQ/admin.sgml

@@ -1,4 +1,4 @@
-<!-- $Id: admin.sgml,v 1.19 1999-02-08 06:53:37 jkoshy Exp $ -->
+<!-- $Id: admin.sgml,v 1.20 1999-02-19 10:46:11 imp Exp $ -->
 <!-- The FreeBSD Documentation Project -->
 
   <sect>
@@ -464,6 +464,12 @@
           dd if=/dev/zero of=/usr/swap0 bs=1024k count=64
         </verb>
 
+        <item>set proper permissions on (<tt>/usr/swap0</tt>)
+
+        <verb>
+          chmod 0600 /usr/swap0
+        </verb>
+
         <item>enable the swap file in <tt>/etc/rc.conf</tt>
 
         <verb>