It then commits just a part of the memory, and it is only for this part that the memory manager needs to allocate pages in real memory and in the paging file to back them up.
然后它仅仅提交一部分内存，这也是内存管理程序需要在实际内存和分页文件中分配页来支持它们的那一部分。
Committed: Memory that can be accessed by the program and is fully backed, which means that page frames have been allocated for it in the paging file.
提交：程序可以访问的内存，得到了完全支持，就是说已经在分页文件中分配了页帧。
By default, the size of the paging file is controlled by Windows, which can cause defragmentation.
页面文件的大小默认的是由Windows决定的，它要足够大使得磁盘整理能够运行。
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