Memory Usage Questions

[Tom Jarmolowski]

How does one determine the system memory usage, both physical and virtual?

"ps" and "top" both often report a programs size (SZ) as less than the
resident size (RSS).  This does not seem reasonable.  Further, how does
the space required for shared libraries get accounted ? Is it charged
againt each program using the library ? Not accounted at all ?

Tom Jarmolowski				 _/_
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