Listing 13 shows that user root can create an immutable file but cannot delete it until the immutable flag is removed.
清单13清单13显示了用户root可以创建一个不可变文件，但是不能删除它，直到不可变标识被删除。
If this is set, even root cannot delete the file until the attribute is unset.
设置完成后，即使是root用户也不能删除文件，直到属性解除。
Standby file pulverizer can delete the data on your hard disk, and at the same time covering the space available on the drive, so you cannot recover deleted files.
备用文件粉碎机可以删除数据对您的硬盘上，并在同一时间覆盖在驱动器上的可用空间，所以不能恢复已删除的文件。
If you delete a file from a temporary project, it is deleted permanently and cannot be saved if you later save the project.
如果从临时项目中删除了某个文件，它就会被永久删除，即使您后来保存了项目，该文件也不会保存下来。
If you delete a file from a temporary project, it is deleted permanently and cannot be saved if you later save the project.
如果从临时项目中删除了某个文件，它就会被永久删除，即使您后来保存了项目，该文件也不会保存下来。
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