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Furthermore,it makes good use of storage resource through the copy-on-writing technology and the directory versioning mechanism.
同时,还通过写时复制和目录版本等技术,进一步降低对存储资源的消耗。
参考来源 - 一种策略灵活的多版本文件系统的设计与实现·2,447,543篇论文数据，部分数据来源于NoteExpress
事实上，因为这个文件系统是一个“写时复制”文件系统，它知道新的文件是什么，所以它可以有效的包只是部分你添加到“图像”层。
In fact, since this file system is a "copy on write" file system, it knows exactly what the new files are, so it can efficiently package just the parts you added into an "image" layer.
当您在创建一个子工作区时，仍然没有数据被复制，在数据库中有一个指示符表示可以使用子工作区，而其内容被设置为读/写。
When a child Workspace is created, again no data is duplicated, there is simply an indicator in the database that a child Workspace is available, and that its content is set to read/write.
在堆叠上宣告的缓冲区因为复制大于缓冲区的资料而遭到覆写时，就会发生静态缓冲区满溢。
A static buffer overrun occurs when a buffer declared on the stack is overwritten by copying data larger than the buffer.
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