If the source is not modified, the snapshot does not store any of the files in its own physical disk space and has the same content as the original file system.
如果源文件系统没有修改,快照不会在其自己的物理磁盘空间中存储任何文件,并且具有的内容与原始文件系统相同。
Because a version control system does not store each new version in its entirety, it requires less disk space for data storage than a standard file system.
由于版本控制系统无需完整地存储每个新版本,因而用于数据存储的磁盘空间比标准文件系统要少。
Therefore, you save the space you would otherwise use to store the temporary file.
因此,您可以节省原本用于存储临时文件的空间。
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