Determining amount of physical memory

[Rick Schubert]

I'm trying to find out how much physical memory my system has.
Should the following give me an accurate figure?

	dd if=/dev/mem of=/dev/null bs=1024

This produces the output:
	dd read error: No such device or address
	1024+0 blocks in
	1024+0 blocks out

I interpret this to mean that I have 1MB (1024KB) of physical memory.
Is this correct?

-- Rick Schubert (rns at se-sd.sandiego.NCR.COM)