New FAQ: "Can FreeBSD replace my current operating system?"

closing my own PR.

PR:		32377
Submitted by:	mwlucas@blackhelicopters.org
Approved by:	bmah

en_US.ISO8859-1/books/faq/book.sgml

@@ -158,6 +158,49 @@
         </answer>
       </qandaentry>
 
+      <qandaentry>
+        <question id="replace-current-OS">
+          <para>Can FreeBSD replace my current operating system?</para>
+        </question>
+
+        <answer>
+          <para>For most people, yes.  But this question isn't quite
+            that cut-and-dried.</para>
+
+          <para>Most people don't actually use an operating system.
+            They use applications.  The applications are what really
+            use the operating system.  FreeBSD is designed to provide
+            a robust and full-featured environment for applications.
+            It supports a wide variety of web browsers, office suites,
+            email readers, graphics programs, programming
+            environments, network servers, and just about everything
+            else you might want.  Most of these applications can be
+            managed through the <ulink
+            url="http://www.freebsd.org/ports/">Ports
+            Collection</ulink>.</para>
+
+          <para>If you need to use an application that is only
+            available on one operating system, you simply cannot
+            replace that operating system.  Chances are there's a very
+            similar application on FreeBSD, however.  If you want a
+            solid office or Internet server, a reliable workstation,
+            or just the ability to do your job without interruptions,
+            FreeBSD will almost certainly do everything you need.
+            Many computer users across the world, including both
+            novices and experienced UNIX administrators, use FreeBSD
+            as their only desktop operating system.</para>
+
+          <para>If you're migrating to FreeBSD from some other UNIX
+            environment, you already know most of what you need to.
+            If your background is in graphic-driven operating systems
+            such as Windows and older versions of Mac OS, expect to
+            invest additional time learning the UNIX way of doing
+            things.  This FAQ and the <ulink
+            url="../handbook/index.html">FreeBSD Handbook</ulink> are
+            excellent places to start.</para>
+        </answer>
+      </qandaentry>
+
       <qandaentry>
         <question id="why-called-FreeBSD">
           <para>Why is it called FreeBSD?</para>