This is Solaris 9's version...
#!/usr/bin/sh
#
# Copyright (c) 1998,2001 by Sun Microsystems, Inc.
# All rights reserved.
#
#ident "@(#)dmesg.sh 1.2 01/09/03 SMI"
/usr/bin/echo
/usr/bin/date
/usr/bin/cat -sv `/usr/bin/ls -tr1 /var/adm/messages.? 2>/dev/null` \
/var/adm/messages | /usr/bin/tail -200