您可以使用 tunefs 工具或在创建文件系统时，调整保留的空闲空间的大小。
You can adjust the amount of free space that is reserved (using the tunefs tool), or when creating the file system.
Adobe同时也增加了电子商务工具以对新的东西进行价格结构和付款系统方面的调整。
Adobe has also added ecommerce tools to allow for a variety of pricing structures and payment systems for new titles.
如果不使用大小选项，所有这些工具将调整文件系统来填满逻辑卷大小，在增加一个逻辑卷时这是很方便的。
When used without size options, these tools all resize the file system to fill the new logical volume size, which is convenient when growing a logical volume.
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