By default, du shows the file usage for every file and directory beneath the current, or specified, directory.

缺省情况下，du将显示当前或指定的目录下每个文件和目录的文件使用情况。

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It then lists all of the DLLs in use by the process, with their sizes, followed by a summary of statistics about the working set and page-file usage.

然后列出进程使用的所有dll及其大小，后面是工作集和分页文件使用的统计信息。

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Some systems do not have this option but do have the -x command-line option, which only includes the file usage for files on the same device or file system as the path you specify.

有些系统没有这个选项，但是有- x命令行选项，该选项仅包含与您所指定的路径相同的设备或文件系统中的文件使用情况。

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Dropbox also has recently added an auto-upload feature for photos from mobile devices, which also increases file usage.

FORBES: Dropbox Doubles Space For Pro Accounts

Other arguments against I-File: States that have used free filing systems have had a relatively low usage rate--a federally run program could make auditing easier (and more likely) and it wouldn't necessarily encourage taxpayers to take all deductions possible.

FORBES: Magazine Article

You don't need a speed demon to serve in this capacity, because you can schedule large file transfers to happen overnight or at other times your home network isn't in heavy usage.

ENGADGET: HOW-TO: Turn your Mac mini into a media center