Another cause may be that the file is read-only.
另一个原因可能是文件为只读的。
Since each file is read only once, caching is not needed.
由于每个文件只被读取一次，因此缓存完全没有必要。
The OS file system is read-only for protection.
处于保护的目的，OS的文件系统是只读的。
Usually this password can be set to the root password, since it is only root who can read the grub.conf file anyway.
通常这个口令可以设置为root口令，因为无论如何也只有root才可以读取grub . conf文件。
The specified file is read only.
指定的文件是只读文件。
If you overwrite the file, the new copy is no longer read-only.
如果选择覆写档案，新的复本就不再是唯读档案。
Ensure that the file is not marked read-only and the solution is not running.
确保文件未标记为只读并且解决方案当前没有运行。
文件xx是一个只读文件。
文件xx是一个只读文件。
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