For those of you that don't know what processor you have in a computer and you need to find out. Well here is a excellent program that will give you all the specs of you processor. http://www.cpuid.com/cpuz.php

also ....the BIOS on bootup on any system holds the info for you ............ but from a user interface

For windows

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Start->Settings->Control Panel->System->'Right Click' and 'Open'-> Hardware->Device manager->Click on ' Processors'

For Linux - x86

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cat /proc/cpuinfo

For AIX

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lsattr -El proc0 {commonly used}

I prefer on AIX just using 'nmon' utility

For HP-UX

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hpmem or top utility

else

http://sysdigg.blogspot.com/2007/12/how-to-check-cpu-in-hp-ux-from-command.html

For Solaris

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psrinfo -v