Thanks to all (60+) who answered. Summary below.
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/usr/sbin/psrinfo
/usr/sbin/prtconf
RAM: prtconf | grep -i mem
CPU: mpstat
or
/usr/platform/`uname -m`/sbin/prtdiag
Try /usr/platform/`uname -m`/sbin/prtdiag. This will give you the amount of
memory installed and speed and number of processors.
The command "prtconf" does it. If you want more and better details
get sysinfo off the net.
dmesg | egrep 'cpu|mem'
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