Add text describing the mksnap_ffs command as an

alternative for creating snapshots.

  Approved by:  trhodes(maintainer)
  Approved by:  simon(mentor)
  Submitted by: Lukas Ertl <lertl@univie.ac.at>
  PR:           docs/53501

en_US.ISO8859-1/books/handbook/disks/chapter.sgml

@@ -2595,7 +2595,11 @@ Filesystem 1K-blocks Used Avail Capacity  Mounted on
 
 <screen>&prompt.root; <userinput>mount -u -o snapshot /var/snapshot/snap /var</userinput></screen>
 
-      <para>Once a snapshot has been created, they have several
+      <para>Alternatively, you can use &man.mksnap.ffs.8; to create
+	a snapshot:</para>
+<screen>&prompt.root; <userinput>mksnap_ffs /var /var/snapshot/snap</userinput></screen>
+
+      <para>Once a snapshot has been created, it has several
 	uses:</para>
 
       <itemizedlist>