红帽全球峰会21.4.3. 使用 guestfish 修改文件
要修改文件，请创建目录或对客户机虚拟机进行其他更改，首先在本节的开头指出警告： 您的 guest 虚拟机必须关机。使用 guestfish 编辑或更改正在运行的磁盘 将导致 磁盘损坏。这部分提供了编辑
/boot/grub/grub.conf 文件的示例。当确定客户端虚拟机已关闭时，可以省略 --ro 标志，以便使用命令获得写访问，例如：
用于编辑文件的命令包括 编辑、vi 和 emacs。还有许多命令用于创建文件和目录，如 写入、mkdir、上传和 tar 中。
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