lion% which xterm
/usr/openwin/bin/xterm
lion% pkginfo SFWxterm
ERROR: information for "SFWxterm" was not found
lion% grep xterm /var/sadm/pkg/SUNWxwopt/save/pspool/SUNWxwopt/pkgmap
1 f none openwin/bin/xterm 0755 root bin 213800 43114 1144190273
lion% cat /etc/release
                       Solaris 10 11/06 s10s_u3wos_10 SPARC
           Copyright 2006 Sun Microsystems, Inc.  All Rights Reserved.
                        Use is subject to license terms.
                           Assembled 14 November 2006
lion%