Solaris 11 release & update

Here's how to check Solaris 11 release and update:

# cat /etc/release

                     Oracle Solaris 11 11/11 X86

  Copyright (c) 1983, 2011, Oracle and/or its affiliates.  All rights reserved.

                      Assembled 18 October 2011

# pkg info entire | grep Summary | sed 's/.*[\(]\(.*\)[\)].*/\1/'

Oracle Solaris 11 11/11 SRU 8.5

Or perhaps, yet:

# pkg info entire | grep Version | sed 's/.*[\(]\(.*\)[\)].*/\1/'
Oracle Solaris 11.3.1.5.2