swap usage

[Piotr Gnyp]

On Wed, 28 Jan 2004, Kris Kennaway <kris at obsecurity.org> wrote:

> Of course, what you posted doesn't indicate this.  Swap is used by
> processes, so killing the process that is actually using the swap will
> cause it to be reclaimed.  If you think something else is going on,
> please provide the appropriate details so we can analyse the problem.

so, beside top and swapinfo - how can i check it?

My point is: why system uses swap if it has free memory.