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Is it possible to boot Linux with user space applications from file/image on disk?

I can copy content of any live image (for example from to separate partition with any FS supported by grub and boot from it.

But how about booting from file instead of partition?

During searching I found that users name this as "Poor Man's Install" but most of them use partitions instead of single file....

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MEMDISK will allow you to boot from a disk image.

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Thanks! Interesting option. Need to test. +1 – gavenkoa May 20 '13 at 14:07

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