title: SOLARIS - verify OS version before OS upgarde
body: <p>I have SOLARIS 10 OS</p>
  
  <p>SOLARIS OS was upgrade to new version as the following version - 144488-02</p>
  
  <p>Example of OS version verification:</p>
  
  <pre><code>   uname -v
     Generic_144488-02
  </code></pre>
  
  <p>.</p>
  
  <pre><code>   uname -a
     SunOS star1a 5.10 Generic_144488-02 sun4v sparc SUNW,Netra-T5220
  </code></pre>
  
  <p>.</p>
  
  <pre><code>   cat /etc/release 
                     Solaris 10 5/09 s10s_u7wos_08 SPARC
         Copyright 2009 Sun Microsystems, Inc.  All Rights Reserved.
                      Use is subject to license terms.
                           Assembled 30 March 2009
  </code></pre>
  
  <p>How I can identify the SOLARIS version before OS upgrade?</p>
  
  <p>I mean before the upgrade  –  uname –v show different version , </p>
  
  <p>but with which command or file I can find this info?</p>