How to find how much RAM and Processor speed

what commands should I use to find out:
1. How much RAM the machine have?
2. to find the processor speed?

what commands should I use to find out:Not the only solutions, but:
1. How much RAM the machine have?prtconf | grep Memory
2. to find the processor speed?psrinfo -v
Alan
Sun Developer Technical Support
http://www.sun.com/developers/support

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