can start an uml users can write read, but when it reboot , the uml backt to the orginal system?
2006/6/30, Jeff Dike <email@example.com>:On Thu, Jun 29, 2006 at 11:56:05PM +0800, paul john wrote:
> i tried to make a system ,that users can't modify it. is that often be used
> ubd0*r *,this r is always won't be use ?
What do you think would happen if you tried booting a machine with its
root filesystem on a CD-ROM?i understood.but where the option ubd0r used for ?
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