Dear Mr. Wolfgang,

You worte:

It is definitely NOT a must. There are many ways where to put the root filesystem. The ramdisk may be one of the most simple ways to get started, but there are very few projects where it is the optimal solution.

Thanks for your nice reply.

In general, using a ramdisk is NOT optimal.

It seems that ramdisk only support EXT2 file system.At least,the examples always take it for demo.

Thanks for your notes again!

Best regards,

Sam

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