Linux supports a variety of read-only file systems, two of the most useful are cramfs and SquashFS.

Linux支持多种只读文件系统，最有用的两种是cramfs和SquashFS。

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Like cramfs, you can use squashfs on a standard Linux system with mksquashfs and the loopback device.

和cramfs一样，您可以通过mksquashfs和loopback设备在标准Linux系统上使用squashfs。

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This example shows ext3, but the Journaling flash File system version 2 (JFFS2) and SquashFS are also good choices, particularly for flash-based storage systems.

这个示例使用ext3，但是JournalingFlashFileSystemversion2 (JFFS2)和SquashFS也是合适的选择，尤其是对于基于闪存的存储系统。

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This example shows ext3, but the Journaling flash File system version 2 (JFFS2) and SquashFS are also good choices, particularly for flash-based storage systems.

这个示例使用ext3，但是JournalingFlashFileSystemversion2 (JFFS2)和SquashFS也是合适的选择，尤其是对于基于闪存的存储系统。

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