所有的操作系统都需要一定的磁盘空间才能正常运行和工作，那么“经济型”笔记本电脑是如何与内置的小型驱动器一起正常工作的呢？今天的超级用户问答帖子回答了一位好奇的读者的问题。

今天的问答环节是由SuperUser提供的，SuperUser是Stack Exchange的一个分支，是一个由社区驱动的问答网站分组。

问题

超级用户读者AngryHacker想知道Windows 10如何在只有32 GB磁盘空间的情况下运行：

There are a number of sub $200 Windows 10 laptops that only have 32 GB SSD hard drives in them (like the Lenovo 100s and HP Stream 13, for example). Given that the Windows directory itself is over 32 GB on my regular laptop, how do these laptops even function? Is there any space left over to store anything? Would I have a hard drive that ran out of space soon after starting to use it?

Windows10如何在只有32GB磁盘空间的情况下运行？

答案

超级用户贡献者magicandre1981为我们提供了答案：

Windows 10 uses CompactOS, which compresses Windows files to make them **aller:

• Compact OS installs the operating system files as compressed files. Compact OS is supported on both UEFI-based and BIOS-based devices. Unlike WIMBoot (because the files are no longer combined into a single WIM file), Windows update can replace or remove individual files as needed to help maintain the drive footprint size over time.

This can be done automatically by Windows 10 setup or by manually applying an image:

• DISM.EXE /Apply-Image /ImageFile:INSTALL.WIM /Index:1 /ApplyDir:C:\ /Compact:ON

Or in a running Windows 10 system via this command:

• COMPACT.EXE /CompactOS:always

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