It provides a lot of information, including real, virtual, and paging space memory used.

它提供许多信息，包括所使用的实际、虚拟和分页空间内存。

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Generally, paging space should be one to two times real memory in size.

一般情况下，分页空间的大小应该是真实空间的一到两倍。

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When free physical memory starts getting low, programs that have not used recently are moved from ram to paging space to help release physical memory for more real work.

当空闲的物理内存较少时，可以将最近没有使用过的程序从RAM转移到分页空间，以帮助释放物理内存，从而完成更多的实际工作。

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