如果使用的是JFS、Reiser或者其他文件系统，您将需要其他的实用工具，比如tar。
If you are working with JFS, Reiser, or other file systems, you will need to use a different utility, such as tar.
有些人可能希望得到,所有的信息，加上一些背景,或者其他相关的文件。
Some people might really want to have everything pushed to them with maybe some context or other related documents that are relevant.
这是因为其他公司可能还在使用基于文件的方法或者其他的引擎程序。
This is because others may still use document-based approaches or other engineering applications.
应用推荐