To Configure Solaris OS to Generate Core Files

#mkdir -p /var/cores
#coreadm -g /var/cores/%f.%n.%p.%t.core -e global -e global-setid -e log -d process -d proc-setid

# coreadm <---Display the core configuration.
global core file pattern: /var/cores/%f.%n.%p.%t.core
init core file pattern: core
global core dumps: enabled
per-process core dumps: disabled
global setid core dumps: enabled
per-process setid core dumps: disabled
global core dump logging: enabled

#man coreadm <---for further details
# ulimit -c unlimited <--- Set the size of the core dumps to unlimited.
# ulimit -a <----Verify coredump size
coredump(blocks) unlimited

Test/Verify core file creation.
# cd /var/cores
# sleep 100000 &
[1] PID
# kill -8 PID; # ls