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>6.4. Sharing swap spaces with other operating systems</H1
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>Virtual memory is built into many operating systems.
Since they each need it only when they are running, i.e., never at
the same time, the swap spaces of all but the currently running
one are being wasted. It would be more efficient for them to
share a single swap space. This is possible, but can require a
bit of hacking. The Tips-HOWTO at
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implement this. </P
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