可以在活动的文件系统上执行快照操作，因为它在创建映像时将自动冻结I/O操作。
You can perform the snapshot operation on a live file system, as it will automatically freeze I/O operations while the image is taken.
与传统的Linux引导过程类似，这个文件也是在将 initrd映像解压到 RAM磁盘中时被调用的。
This file, like the traditional Linux boot process, is invoked when the initrd image is decompressed into the RAM disk.
简单地说，在执行安装时，安装映像必须是任何用户或响应文件可能安装的所有特性的超集。
Quite simply, when performing an installation, the installation image has to be a superset of all the possible features that could be installed by any user or any response file.
当安装程序要求选择根文件系统映像时，选择Debian发布版，因为它是最小的发布版，解压后只有1gb。
When the installation program asks for a root file system image, select the Debian distribution because it's the smallest and extracts to only 1gb.
在构建嵌入式系统时，我们可能希望将initrd映像文件做得尽可能小，这其中有一些技巧需要考虑。
When you're building an embedded system and want the smallest initrd image possible, there are a few tips to consider.
使用qemu时，您使用hda选项指定硬盘映像，使用cdrom选项指定cdrom (IS o映像所在的文件)。
Using qemu, you specify your hard disk image with the hda option and the cdrom (file where your ISO image resides) with the cdrom option.
UNIX文件必须匹配转储映像(比如，发生崩溃时正在运行的映像)。
The UNIX file must match the dump image (i.e., be the one that was running at the time of crash).
UNIX文件必须匹配转储映像(比如，发生崩溃时正在运行的映像)。
The UNIX file must match the dump image (i.e., be the one that was running at the time of crash).
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