SOLARIS - verify OS version before OS upgarde [closed]

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I have SOLARIS 10 OS

SOLARIS OS was upgrade to new version as the following version - 144488-02

Example of OS version verification:

   uname -v
   Generic_144488-02

.

   uname -a
   SunOS star1a 5.10 Generic_144488-02 sun4v sparc SUNW,Netra-T5220

.

   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

How I can identify the SOLARIS version before OS upgrade?

I mean before the upgrade – uname –v show different version ,

but with which command or file I can find this info?

Answer 1

Perhaps try the

cat /etc/release

maybe that can give you an answer.

or uname -a